




TRIVIAL NOTIONS SEMINAR 
Stergios Antonakoudis (HARVARD UNIVERSITY) 
Measured foliations and Riemann surfaces 

February 06, 2014, 12:00 PM at Science Center 112 
TRIVIAL NOTIONS SEMINAR 
Justin Campbell (HARVARD UNIVERSITY) 
Geometric class field theory after Deligne 

September 26, 2013, 1:00 PM at Science Center 507 
TRIVIAL NOTIONS SEMINAR 
Francesco Cavazzani (HARVARD UNIVERSITY) 
ADE Singularities and Slodowy Slices 

October 03, 2013, 1:00  2:00 PM at Science Center 507 
TRIVIAL NOTIONS SEMINAR 
Eric Riedl (HARVARD UNIVERSITY) 
Complete Families of Smooth Curves 

September 19, 2013, 1:00 PM at Science Center 507 
TRIVIAL NOTIONS SEMINAR 
Tom Lovering (HARVARD UNIVERSITY) 
Lfunctions, Selmer Groups, and Modular Forms 

September 12, 2013, 1:00  2:00 PM at Science Center 507 
TOPOLOGY SEMINAR 
Michael Freedman (MICROSOFT AND UCSB) 
Smooth embeddings of closed 3manifolds in R^4 

September 15, 2014, 10:20 AM  12:00 PM at Science Center 232 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Etale motivic cohomolgy II 

March 30, 2017, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Mahowald's theorem on E_2 algebras 

November 19, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Haynes Miller (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Dual BrownGitler spectra as projective covers 

December 12, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Vesna Stojanoska (MIT) 
Dual BrownGitler spectra via realizability of unstable modules over the Steenrod algebra 

October 03, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Bhargav Bhatt (UNIVERSITY OF MICHIGAN) 
Crystalline cohomology 

December 03, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
The Topological Hochschild Homology of Z/p 

October 22, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
Morelâs A^1homotopical classification of vector bundles, part I 

February 26, 2015, 3:30  5:30 pm at Science Center Hall E 
THURSDAY SEMINAR 
Peter Scholze (UNIVERSITY OF BONN) 
TBA 

November 12, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jeremy Hahn (HARVARD UNIVERSITY) 
Wilson spaces as atomic even spaces 

March 12, 2015, 3:30  5:30 pm at Science Center Hall E 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Algebraic vector bundles, introduction and overview 

February 05, 2015, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Lukas Brantner (HARVARD UNIVERSITY) 
Rezk's Congruence Criterion 

March 06, 2014, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Motivic vector bundles 

April 02, 2015, 3:30  5:30 pm at Science Center Hall E 
THURSDAY SEMINAR 
Jared Weinstein (BOSTON UNIVERSITY) 
The FarguesFontaine curve 

April 21, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Emily Saunders (HARVARD UNIVERSITY) 
The HirschSmale theorem 

October 11, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Aaron MazelGee (UC BERKELEY) 
GoerssHopkins obstruction theory for \inftycategories 

November 21, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Krishanu Sankar (HARVARD UNIVERSITY) 
Serre's problem on projective modules over a polynomial ring 

February 12, 2015, 3:30  5:30 pm at Science Center Hall E 
THURSDAY SEMINAR 
Bena Tshishiku (HARVARD UNIVERSITY) 
Relations among StiefelWhitney classes of manifolds 

October 04, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Sanath Devalapurkar () 
Stable splittings for classifying spaces of compact Lie groups 

November 29, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Michael Andrews (MIT) 
An infinite family in the homotopy groups of spheres 

October 31, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Perfectoid Spaces II 

March 10, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Koszul Duality II 

March 29, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Witt vectors, THH, and equivariant stable homotopy theory 

September 24, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
Weight one motivic cohomology 

October 20, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
The Immersion Conjecture, an overview 

September 20, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
BrownGitler spectra via Dieudonne theory III 

October 10, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jeremy Hahn (HARVARD UNIVERSITY) 
Chromatic convergence of the Goodwillie tower on spheres 

February 22, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
An Introduction to the de RhamWitt Complex 

October 01, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
BrownGitler spectra via Dieudonne theory 

September 19, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Dan Freed (UNIVERSITY OF TEXAS  AUSTIN) 
Algebraic Topology and Mathematical Physics, an Overview 

September 11, 2014, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Ben Knudsen (HARVARD UNIVERSITY) 
The derivatives of the identity functor 

February 08, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Bhargav Bhatt (UNIVERSITY OF MICHIGAN) 
Overview of the perfectoid construction of A\Omega 

February 11, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Comparison of Stable and Unstable v_nPeriodic Homotopy 

November 30, 2017, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
A^1 Homotopy Theory 

November 17, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Gijs Heuts (UTRECHT UNIVERSITY) 
Coalgebras and the Goodwillie tower of the BousfieldKuhn functor 

April 05, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Constructing algebraic vector bundles on projective spaces 

March 05, 2015, 3:30  5:30 pm at Science Center Hall E 
THURSDAY SEMINAR 
Nathaniel Stapleton (MIT) 
The Morava Etheory of symmetric groups: character theory and Strickland's theorem 

February 27, 2014, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Perfectoid Spaces 

March 03, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
BrownGitler spectra via Dieudonne theory II 

September 26, 2013, 3:00 at Sci Center 507 
THURSDAY SEMINAR 
Sander Kupers (HARVARD UNIVERSITY) 
The work of AroneDwyer 

March 08, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Mark Behrens (MIT) 
bo resolutions 

October 24, 2013, 3:00  5:00 PM at Science Center 07 
THURSDAY SEMINAR 
Akhil Mathew (HARVARD UNIVERSITY) 
The Rost Motive 

March 02, 2017, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Marc Hoyols (MIT) 
The NesterenkoSuslinTotaro theorem 

November 03, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
The BousfieldKuhn functor 

September 14, 2017, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Daniel ĂlvarezGavela (INSTITUTE FOR ADVANCED STUDY) 
SmaleHirsch inmersion theory via holonomic approximation 

October 18, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
The BousfieldKuhn functor 

October 19, 2017, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Perfectoid Spaces III 

March 24, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Koszul Duality 

March 22, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Voevodsky's application of Steenrod operations to the Milnor conjecture II 

February 16, 2017, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
v_nPeriodic Homotopy Groups 

October 12, 2017, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Twisted Ktheory 

October 02, 2014, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
KTheory of Henselian Rings II 

October 06, 2016, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
BlochKato implies BeilinsonLichtenbaum 

April 27, 2017, 4:00  6:00 pm *note change in time this week* at Science Center 507 
THURSDAY SEMINAR 
Ben Knudsen (HARVARD UNIVERSITY) 
Braid groups and braid Thom spectra 

October 25, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Tilting 

February 18, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
THH without equivariant homotopy theory 

October 08, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Units in Morava Etheory 

February 13, 2014, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Background for the work of AroneDwyer 

March 01, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Hiro Tanaka (HARVARD UNIVERSITY) 
Fermions 

October 23, 2014, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Koszul Duality IV 

April 19, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Comparing Algebraic and Topological KTheory 

September 08, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Marc Hoyois (MIT) 
Morelâs A^1homotopical classification of vector bundles, part II 

March 26, 2015, 3:30  5:30 pm at Science Center Hall E 
THURSDAY SEMINAR 
Dan Freed (UNIVERSITY OF TEXAS  AUSTIN) 
Remarks on mechanics and symmetry 

October 09, 2014, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jun Hou Fung (HARVARD UNIVERSITY) 
Immersions up to cobordism 

September 27, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Spaces of maps between structured ring spectra 

March 27, 2014, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Dan BerwickEvans (UNIVERSITY OF ILLINOIS URBANACHAMPAIGN) 
Field theories and elliptic cohomology from the vantage of characters 

April 21, 2017, 3:00 pm at MIT 2131 *note special location* 
THURSDAY SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
Voevodsky's motives 

December 01, 2016, 3:00 PM at Science Center 507 
THURSDAY SEMINAR 
Soren Galatius (STANFORD UNIVERSITY) 
The BrownPeterson space BO/l_n 

November 07, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Tilting, ctd. 

February 25, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Clark Barwick (MIT) 
The BassQuillen Conjecture 

February 19, 2015, 3:30  5:30 PM at Science Center Hall E 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Introduction to Topological Hochschild and cyclic homology 

September 17, 2015, 3:00  4:05 PM **Special time** at Science Center 507 
THURSDAY SEMINAR 
Akhil Mathew (HARVARD UNIVERSITY) 
Thomason's \'etale descent theorem in algebraic Ktheory 

September 22, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Cyclotomic spectra and the de RhamWitt complex 

October 15, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
padic Hodge Theory and Topological Hochschild Homology 

September 10, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Voevodsky's application of Steenrod operations to the Milnor conjecture 

February 09, 2017, 3:00 pm at Science Center 507 
THURSDAY SEMINAR 
Inna Zakharevich (INSTITUTE FOR ADVANCED STUDY) 
Filtering the Grothendieck ring of varieties 

March 13, 2014, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Ryan Grady (BOSTON UNIVERSITY) 
Large volume limits and derived mapping stacks: extracting manifold invariants via the BV formalism 

October 16, 2014, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Dan Freed (UNIVERSITY OF TEXAS  AUSTIN) 
An application of twisted Ktheory to topological band insulators 

November 06, 2014, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
To Rational Homotopy Theory and Beyond 

September 07, 2017, 4:00  6:00 PM *note new time* at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Unstable chromatic localizations 

September 21, 2017, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
The Filtration on THH (Characteristic p Case) 

October 29, 2015, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Power Operations in Ktheory 

February 20, 2014, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Steenrod Operations in Motivic Cohomology 

February 02, 2017, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Overview 

February 01, 2018, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Coanalytic Functors 

November 09, 2017, 4:00  6:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Voevodsky's condition H90(n) 

February 23, 2017, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
The LichtenbaumQuillen conjectures 

September 15, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Spaces of Maps between Structured Ring Spectra II 

April 03, 2014, 3:00  5:00 PM at Sci Center 507 
THURSDAY SEMINAR 
Michael Brown (UNIVERSITY OF NEBRASKA) 
A Generalization of the AtiyahBottShapiro Construction Applied to Matrix Factorizations 

December 11, 2014, 4:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Statement of the Milnor conjectures 

October 13, 2016, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
BrownGitler spectra and E_2 algebras 

October 17, 2013, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Jeremy Hahn (HARVARD UNIVERSITY) 
The construction of BO/I_n 

November 08, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Ben Knudsen (HARVARD UNIVERSITY) 
The derivatives of the identity fnctor 

February 08, 2016, 3:00  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Tomer Schlank (HEBREW UNIVERSITY OF JERUSALEM) 
Ambidexterity in localizations of spectra 

December 06, 2018, 3:00  4:00 pm *note earlier ending time* at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
Etale motivic cohomology 

March 23, 2017, 3:00  5:00 PM at Science Center 507 
THURSDAY SEMINAR 
Robert Burklund (MIT) 
Properties of BrownGitler spectra 

November 01, 2018, 3:00 pm  5:00 pm at Science Center 507 
THURSDAY SEMINAR 
Jacob Lurie (HARVARD UNIVERSITY) 
KTheory of Henselian Rings 

September 29, 2016, 3:00  5:00 pm at Science Center 507 
THE HARVARD DEPT OF MATHEMATICS PRESENTS A SPECIAL SCREENING OF 
The Genius of Srinivasa Ramanujan () 


October 09, 2013, 7:30 PM at Science Center Hall C 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
YuWei Fan (HARVARD UNIVERSITY) 
Bridgeland stability conditions and mirror symmetry 

October 19, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Andrew Hanlon (UC BERKELEY AND HARVARD) 
A new perspective on homological mirror symmetry for toric varieties 

September 14, 2018, 1:30  3:00 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Denis Auroux (HARVARD UNIVERSITY) 
An introduction to Fukaya categories and homological mirror symmetry 

September 07, 2018, 1:30  3:00 pm at Science Center 530 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Fenglong You (UNIVERSITY OF ALBERTA) 
Mirror theorems for orbifold and relative GromovWitten invariants 

December 14, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Yoosik Kim (BOSTON UNIVERSITY) 
GelfandCetlin systems and their applications 

September 28, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Daniel Pomerleano (UNIVERSITY OF MASSACHUSETTS  BOSTON) 
Degenerations from Floer cohomology 

November 30, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Jingyu Zhao (HARVARD CMSA) 
A connection on symplectic cohomology 

November 02, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
**Canceled** Patrick Clarke (DREXEL UNIVERSITY AND CMSA) 
**Canceled** Homological mirror symmetry for toric LandauGinzburg models: dual pairs, Tduality, and curved Ainfinity categories 

October 26, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Tim Large (MIT) 
Steenrod operations and the Floer homotopy type 

September 21, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Patrick Clarke (DREXEL UNIVERSITY AND CMSA) 
Homological mirror symmetry for toric LandauGinzburg models: dual pairs, Tduality, and curved Ainfinity categories 

December 07, 2018, 2:00  3:15 pm at Science Center 507 
STUDENT/POSTDOC SYMPLECTIC GEOMETRY SEMINAR 
Yusuf Baris Kartal (MIT) 
Distinguishing open symplectic mapping tori via the dynamics of Fukaya categories 

October 12, 2018, 2:00  3:15 pm at Science Center 507 
SPECIAL TOPOLOGY SEMINAR 
Shamil Shakirov (UC BERKELEY) 
Oneparameter deformation of ChernSimons theory 

October 21, 2014, 3:00 PM at Science Center 507 
SPECIAL SEMINAR SERIES, JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS 
Masaki Kashiwara (RIMS, KYOTO UNIVERSITY) 
Indsheaves and RiemannHilbert correspondence of holonomic Dmodules, Part 2 

October 25, 2016, 4:15  5:15 pm at Science Center 507 
SPECIAL SEMINAR SERIES, JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS 
Masaki Kashiwara (RIMS, KYOTO UNIVERSITY) 
Indsheaves and RiemannHilbert correspondence of holonomic Dmodules, Part 1 

October 18, 2016, 4:15  5:15 pm at Science Center 507 
SPECIAL SEMINAR ON GEOMETRY 
Ryosuke Takahashi (TOHOKU UNIVERSITY) 
A new parabolic flow approach to the KahlerEinstein problem 

November 22, 2017, 4:00  5:15 pm at Science Center 507 
SPECIAL SEMINAR 
PoNing Chen (COLUMBIA UNIVERSITY) 
Quasilocal mass in general relativity 

April 15, 2015, 1:00  2:00 PM at Science Center 232 
SPECIAL SEMINAR 
Henry Cohn (MICROSOFT) 
Sphere packing problem in 8 and 24 dimensions 

November 02, 2016, 10:30 AM  12:00 PM at Science Center 530 
SPECIAL SEMINAR 
Avi Wigderson (IAS, PRINCETON) 
Points, Lines and Ranks of design matrices 

November 14, 2014, 11:45 AM at 11:45 AM 
SPECIAL SEMINAR 
Vladimir Voevodsky (INSTITUTE FOR ADVANCED STUDY) 
Univalent Mathematics in Coq. 

April 11, 2014, 3:00 PM at Science Center 232 
SPECIAL SEMINAR 
Geoffrey CompĂšre (UNIVERSITĂ© LIBRE DE BRUXELLES) 
Extension of Virasoro symmetries near extremal black hole horizons 

April 15, 2015, 2:00  3:00 PM at Science Center 232 
SPECIAL SEMINAR 
Nike Sun (UC BERKELEY) 
Phase transitions in random constraint satisfaction problems 

October 07, 2016, 3:30 PM at Science Center 507 
SPECIAL SEMINAR 
Maryna Viazovska (HUMBOLDT UNIVERSITY OF BERLIN) 
The sphere packing problem in dimensions 8 and 24 

September 19, 2016, 3:00 PM at Science Center 507 
SPECIAL SEMINAR 
Andre Neves (UNIVERSITY OF CHICAGO) 
Abundance of minimal surfaces 

October 01, 2018, 3:00  4:00 pm at Science Center 507 
SPECIAL PRESENTATION 
Manjul Bhargava (Princeon), Barry Mazur (Harvard), Matt Brown (Writer and Director), Stephen Wolfram (CEO, Wolfram Research), Robert Kanigel (Author) () 
The Man Who Knew Infinity: Bringing Mathematics to the Silver Screen 

April 30, 2016, 3:30  4:45 pm at Science Center Hall D 
SPECIAL NUMBER THEORY SEMINAR 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Galois cohomological invariants 

April 27, 2015, 3:00 PM at Science Center Hall A 
SPECIAL MATHEMATICAL PHYSICS SEMINAR 
Yasayuki Kawahigashi (UNIVERSITY OF TOKYO) 
From Vertex Operator Algebras to Operator Algebras and Back 

October 12, 2017, 2:00 pm *please note special date, time and location at Jefferson 453 
SPECIAL LECTURE SERIES, 3RD LECTURE 
Alessandro Tomasiello (MILANO  BICOCCA) 
Higherdimensional superconformal theories from string theory 

May 29, 2015, 2:00 PM at Science Center 507 
SPECIAL LECTURE SERIES, 2ND LECTURE 
Alessandro Tomasiello (MILANO  BICOCCA) 
Higherdimensional superconformal theories from string theory 

May 26, 2015, 2:00 PM at Science Center 507 
SPECIAL LECTURE SERIES 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Cohomological invariants mod 2 of Weyl groups, Pt. 1 

May 08, 2017, 3:00 pm at Science Center 507 
SPECIAL LECTURE SERIES 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Cohomological invariants mod 2 of Weyl groups, Pt. 2 

May 09, 2017, 2:00 pm at Science Center 507 
SPECIAL LECTURE SERIES 
Gaetan Chenevier (CNRS) 
Modular forms of classical groups and even unimodular lattices 

January 14, 2015, 3  4:30 PM at Science Center 507 
SPECIAL LECTURE SERIES 
Gaetan Chenevier (CNRS) 
Modular forms of classical groups and even unimodular lattices 

January 20, 2015, 3  4:30 PM at Science Center 507 
SPECIAL LECTURE SERIES 
Gaetan Chenevier (CNRS) 
Modular forms of classical groups and even unimodular lattices 

January 22, 2015, 3  4:30 PM at Science Center 507 
SPECIAL LECTURE 
Hugh Woodin (HARVARD UNIVERSITY) 
Must the Continuum Hypothesis have an answer? 

December 04, 2014, 2:00  4:00 PM at Hall C **New Location** 
SPECIAL EVENT 
Simon Singh () 
The Simpsons and Their Mathematical Secrets 

November 04, 2013, 7:00 PM at Science Center Hall A 
SPECIAL DIFFERENTIAL GEOMETRY SEMINAR 
Joergen Andersen (AARHUS UNIVERSITY) 
Basics of Geometric Quantization and moduli spaces of flat connections 

March 25, 2015, 2:00 PM at Science Center 530 
SPECIAL DIFFERENTIAL GEOMETRY SEMINAR 
Simon Donaldson (STONY BROOK UNIVERSITY) 
Multivalued harmonic functions and NashMoser theory 

November 09, 2018, 2:00 pm at Science Center 507 
SPECIAL DIFFERENTIAL GEOMETRY SEMINAR 
Si Li (MSC, TSINGHUA UNIVERSITY) 
Perturbative renormalization and Index theorem 

October 22, 2014, 9:30 AM at Science Center 530 
SPECIAL DIFFERENTIAL GEOMETRY SEMINAR 
D.H. Phong (COLUMBIA UNIVERSITY) 
The Anomaly Flow and FuYau Hessian Equations 

March 30, 2018, 3:00  4:15 pm at Science Center 507 
SPECIAL BASIC NOTIONS SEMINAR 
JeanPierre Serre (COLLĂšGE DE FRANCE) 
Some simple facts on lattices and orthogonal group representations 

May 03, 2017, 3:00 pm at Science Center Hall D 
S.T. YAU'S STUDENT SEMINAR 
Jun Zhang (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
Information Geometry: Towards a Geometric Framework of Information Sciences 

September 12, 2014, 9:00  10:30 AM at Science Center 530 
RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Herbert Spohn (TECHNICAL UNIVERSITY MUNICH & COLUMBIA) 
Hydrodynamics of integrable classical and quantum systems 

September 27, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Paul Bourgade (NYU) 
Extremes of random matrices and logcorrelated fields 

June 08, 2016, 3:00 pm at CMSA Building, 20 Garden St, G02 
RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Boaz Barak (HARVARD PAULSON SCHOOL) 
Computational Bayesianism, sums of squares, cliques, and unicorns 

November 09, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Yas Despande (MIT) 
Phase transitions in estimating lowrank matrices 

April 20, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G02 
RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Carl Lucibello (MIT) 
The Random Perceptron Problem: thresholds, phase transitions, and geometry 

April 20, 2018, 2:00  3:00 pm at CMSA Building, 20 Garden St, G02 
RANDOM MATRIX & PROBABILITY SEMINAR 
Ashkan Nikeghbali (UNIVERSITY OF ZURICH) 
Random Matrix models in number theory: an infinite dimension point of view. 

April 26, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
PRESENTED BY THE CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS: RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Laure SaintRaymond (ĂCOLE NORMALE SUPĂ©RIEURE) 
The Brownian Motion as Scaling Limit of a Deterministic System of Interacting Particles 

September 10, 2014, 12:00  2:00 PM at Science Center 530 
PRESENTED BY THE CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS: PROBABILITY THEORY & APPLICATION WORKING SEMINAR 
Jelani Nelson (HARVARD UNIVERSITY SEAS) 
Dimensionality Reduction Via Sparse Matrices 

September 05, 2014, 2:00 PM at Science Center 232 
PRESENTED BY THE CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS: PHYSICAL MATHEMATICS SEMINAR 
SiuCheong Lau (HARVARD UNIVERSITY) 
Generalized SYZ and quivers 

September 08, 2014, 12:00  2:00 PM at Science Center 232 
POSTDOC SEMINAR 
Emily Riehl (HARVARD UNIVERSITY) 
On the duality between "free" and "forgetful" constructions 

October 31, 2014, 2:30 3:30 PM at Science Center 530 
OPEN NEIGHBORHOOD SEMINAR 
Bena Tshishiku (HARVARD UNIVERSITY) 
The odd thing about can sunshades 

October 15, 2018, 4:30 pm at Science Center 507 
OPEN NEIGHBORHOOD SEMINAR 
Matt Parker (STANDUP MATHS AND QUEEN MARY UNIVERSITY OF LONDON) 
Standup Maths: using performance to engage people with mathematics 

October 04, 2018, 5:00 pm at Science Center 507 
OPEN NEIGHBORHOOD SEMINAR 
Laure Flapan (NORTHEASTERN UNIVERSITY) 
The Luroth problem: algebraic curves, field extensions, and beyond 

November 12, 2018, 4:30 pm at Science Center 507 
OPEN NEIGHBORHOOD SEMINAR 
Moon Duchin (TUFTS UNIVERSITY) 
Random Everything 

September 17, 2018, 4:30 pm at Science Center 507 
NUMBER THEORY SEMINAR 
James Maynard (MAGDALEN COLLEGE, OXFORD /UNIVERSITY OF MONTREAL) 
Small gaps between primes 

April 02, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Michael Zieve (UNIVERSITY OF MICHIGAN) 
Uniform boundedness for maps between curves 

February 15, 2017, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Paul Hamacher (HARVARD UNIVERSITY) 
The geometry of the Newton stratification of a PELShimura variety 

April 08, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Yunqing Tang (HARVARD UNIVERSITY) 
Algebraic solutions of differential equations over the projective line minus three points 

April 01, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ananth Shankar (MIT) 
Exceptional splitting of reductions of abelian surfaces 

March 21, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Mark Kisin (HARVARD UNIVERSITY) 
Endomorphisms of abelian varieties and CM liftings 

September 11, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ila Varma (PRINCETON UNIVERSITY) 
The mean number of 3torsion elements in ray class groups of quadratic fields 

November 19, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ari Shnidman (BOSTON COLLEGE) 
Ranks of abelian varieties in quadratic twist families 

September 13, 2017, 3:15  4:15 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Alexander Smith (HARVARD UNIVERSITY) 
$2^\infty$Selmer groups, $2^\infty$class groups, and Goldfeld's conjecture 

November 01, 2017, 3:15 pm *sharp at Science Center 507 
NUMBER THEORY SEMINAR 
Shouwu Zhang (PRINCETON UNIVERSITY) 
Faltings heights and Zariski density of CM abelian varieties 

September 30, 2015, 4:30  5:30 PM *2nd seminar* at Science Center 530 
NUMBER THEORY SEMINAR 
Hector Pasten (HARVARD UNIVERSITY) 
Counting Squarefree Values of Polynomials with Error Term 

September 17, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Martin Olsson (UC BERKELEY) 
Local fundamental groups and reduction mod $p$ 

March 29, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Ali Altug (COLUMBIA UNIVERSITY) 
Functoriality, trace formula, and related problems 

April 13, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Anders Sodergren (UNIVERSITY OF COPENHAGEN) 
Poisson statistics and the value distribution of the Epstein zeta function 

March 26, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Jesse Wolfson (UNIVERSITY OF CALIFORNIA, IRVINE) 
The theory of resolvent degree, after Hamilton, Klein, Hilbert, and Brauer 

March 07, 2018, 3:00 PM at Science Center 507 * please also note the talk at the Informal Geometry & Dynamics Seminar* 
NUMBER THEORY SEMINAR 
John Voight (DARTMOUTH COLLEGE) 
On the paramodularity of typical abelian surfaces 

April 18, 2018, 3:00 PM at Sci Center 507 
NUMBER THEORY SEMINAR 
Joseph Silverman (BROWN UNIVERSITY) 
Moduli Spaces of Rational Maps and a Dynamical Shafarevich Theorem 

October 11, 2017, 3:15 pm *sharp at Science Center 507 
NUMBER THEORY SEMINAR 
James Borger (AUSTRALIAN NATIONAL UNIVERSITY) 
Positivity and periodicity in global Witt vectors 

April 22, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Min Ru (UNIVERSITY OF HOUSTON) 
Height inequalities in Diophantine approximation 

September 28, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Sean Howe (STANFORD UNIVERSITY) 
A unipotent circle action on padic modular forms 

October 17, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Henri Darmon (MCGILL UNIVERSITY) 
Singular moduli for real quadratic fields: a rigid analytic approach. 

April 26, 2017, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Brandon Levin (IAS) 
Moduli of finite flat group schemes and local models 

April 30, 2014, 3:00 PM at Sci Center 507 
NUMBER THEORY SEMINAR 
FranĂ§ois Charles (MIT/UNIVERSITĂ© D'ORSAY) 
Frobenius distribution and exceptional isogenies for pairs of elliptic curves over number fields 

February 26, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Paul Frank Baum (PENNSYLVANIA STATE UNIVERSITY) 
Geometric Structure in Smooth Dual 

February 10, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
David Hansen (COLUMBIA UNIVERSITY) 
Critical padic Lfunctions 

October 21, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Raman Parimala (EMORY UNIVERSITY) 
Hasse principle over function fields of complete discretely valued fields 

March 05, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Gopal Prasad (UNIVERSITY OF MICHIGAN) 
Fake projective spaces 

May 07, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Abhinav Kumar (MIT/STONY BROOK) 
Moduli spaces of reducible Jacobians of genus 2 curves via Hilbert modular surfaces of square discriminant 

February 11, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Lynnelle Ye (HARVARD UNIVERSITY) 
Geometry of eigenvarieties for definite unitary groups over the boundary of weight space 

October 03, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Frank Thorne (UNIVERSITY OF SOUTH CAROLINA & TUFTS UNIVERSITY) 
Error Terms in Arithmetic Statistics 

September 26, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Wei Ho (UNIVERSITY OF MICHIGAN) 
Integral points on elliptic curves 

October 24, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Ben Howard (BOSTON COLLEGE) 
Faltings heights and orthogonal Shimura varieties 

September 30, 2015, 3:00  4:00 PM *1st seminar* at Science Center 507 
NUMBER THEORY SEMINAR 
Alexandra Shlapentokh (EAST CAROLINA UNIVERSITY) 
On firstorder definability and decidability problems over number fields and their infinite algebraic extensions 

September 21, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Lassina Dembele (UNIVERSITY OF WARWICK AND ICERM) 
Lifts of Hilbert modular forms and applications to modularity 

October 28, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Brian Smithling (JOHNS HOPKINS) 
An arithmetic transfer conjecture for ramified unitary groups 

October 01, 2014, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
The work of Vincent Lafforgue on the Langlands conjecture for function fields **Repeat of Nov. 13 Number Theory Seminar** 

November 20, 2013, 2:00  3:00 PM at Science Center 232 
NUMBER THEORY SEMINAR 
Rong Zhou (HARVARD UNIVERSITY) 
Mod p isogeny classes on Shimura varieties with parahoric level structure. 

October 19, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Jerry Wang (PRINCETON UNIVERSITY) 
Pencils of quadrics and the arithmetic of hyperelliptic curves 

October 29, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Renee Bell (MIT) 
LocaltoGlobal Lifting for Curves in Characteristic p 

November 29, 2017, 3:15 pm *sharp at Science Center 507 
NUMBER THEORY SEMINAR 
Stefan Patrikis (HARVARD UNIVERSITY / MIT) 
Potential automorphy of regular selfdual motives 

October 09, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Bjorn Poonen (MIT) 
An adelic approach to counting Selmer group elements 

February 04, 2015, 3:00  4:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Michael Harris (COLUMBIA UNIVERSITY) 
Modularity theorems in the function field setting and local Langlands parametrization 

November 04, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Kiran S. Kedlaya (UNIVERSITY OF CALIFORNIA AT SAN DIEGO) 
Convergence polygons for padic differential equations 

October 07, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Alison Miller (HARVARD UNIVERSITY) 
Counting Simple Knots via Arithmetic Invariant Theory 

September 24, 2014, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Pham Huu Tiep (UNIVERSITY OF ARIZONA / HARVARD) 
Adequate Subgroups 

October 15, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Moshe Adrian (UNIVERSITY OF TORONTO) 
On the local converse problem for GL(n,F) 

December 03, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
N/A () 
**CANCELLED** 

November 12, 2014, at 
NUMBER THEORY SEMINAR 
V. Kumar Murty (UNIVERSITY OF TORONTO) 
The Lindelof class of Lfunctions 

October 18, 2017, 3:15 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Jerry Wang (PRINCETON UNIVERSITY) 
Density of polynomials with squarefree discriminant 

February 24, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Joseph H. Silverman (BROWN UNIVERSITY) 
Canonical Heights, Nef Divisors, and the Arithmetic Complexity of Orbits 

February 19, 2014, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Pierre Colmez (UPMC AND IAS) 
On the cohomology of padic analytic curves 

October 25, 2017, 3:15 pm *sharp at Science Center 507 
NUMBER THEORY SEMINAR 
Matthew Emerton (UNIVERSITY OF CHICAGO) 
Localglobal compatibility in the padic Langlands program 

October 23, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Daniel Kriz (MIT) 
A new padic MaassShimura operator and supersingular RankinSelberg padic Lfunctions 

September 12, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Shrenik Shah (COLUMBIA UNIVERSITY) 
Some strong twisted base changes for unitary similitude groups 

March 11, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
JoĂ«l BellaĂŻche (BRANDEIS UNIVERSITY) 
Lacunarity of modular forms 

February 08, 2017, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Peter Sarnak (PRINCETON UNIVERSITY) 
Integral points on Markoff type cubic surfaces 

March 22, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Shai Haran (TECHNION, ISRAEL) 
New Foundations for Arithmetical Geometry, Pt 1 (Follow up talk at MIT on 5/5/16) 

May 04, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ben Howard (BOSTON COLLEGE) 
Moduli spaces of shtukas and a higher derivative GrossKohnenZagier formula 

September 19, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Alexander Merkurjev (UCLA) 
Suslin's Conjecture on the reduced Whitehead group of a simple algebra 

April 29, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Tasho Kaletha (HARVARD UNIVERSITY) 
On the local and global ArthurLanglands conjectures 

March 09, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Xinwen Zhu (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
On some Tate cycles on Shimura varieties mod p 

April 27, 2016, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Jessica Fintzen (HARVARD UNIVERSITY) 
Stable vectors in the MoyPrasad filtration 

September 23, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Juan RiveraLetelier (UNIVERSITY OF ROCHESTER) 
Hecke and Linnik 

February 21, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Remarks on isogenies between elliptic curves over lowdegree number fields 

April 19, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Alexander Lubotzky (THE HEBREW UNIVERSITY / YALE UNIVERSITY) 
From Ramanujan graphs to Ramanujan complexes 

February 03, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
David Hansen (COLUMBIA UNIVERSITY) 
Some remarks on local Shimura varieties 

March 01, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Robert Lemke Oliver (TUFTS UNIVERSITY) 
TateShafarevich groups in quadatric twist families 

December 06, 2017, 3:15 pm *sharp at Science Center 507 
NUMBER THEORY SEMINAR 
Ali Altug (BOSTON UNIVERSITY) 
Beyond endoscopy, the trace formula, and its relatives 

April 25, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Chen Wan (INSTITUTE FOR ADVANCED STUDY) 
The local trace formula for the GinzburgRallis model and the generalized Shalika model 

January 31, 2018, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Erick Knight (HARVARD UNIVERSITY) 
A padic JacquetLanglands Correspondence 

September 09, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ananth Shankar (HARVARD UNIVERSITY) 
Abelian varieties isogenous to Jacobians 

October 26, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Alina Bucur (UCSD AND ICERM) 
Statistics for points on curves over finite fields 

September 16, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Keerthi Madapusi (HARVARD UNIVERSITY) 
The irreducibility of the moduli of polarized K3 surfaces 

October 02, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Brian Conrad (STANFORD UNIVERSITY) 
A Lefschetz Principle in nonarchimedean geometry 

March 25, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Alex Kontorovich (YALE UNIVERSITY) 
LocalGlobal Principles in Orbits 

September 18, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Bjorn Poonen (MIT) 
Local arboreal representations 

February 01, 2017, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Alex Kontorovich (RUTGERS AND IAS) 
Sphere Packings and Arithmetic 

February 07, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Kazim Buyuboduk (UC DUBLIN AND HARVARD UNIVERSITY) 
Nonordinary symmetric squares and Euler systems of rank 2 

November 08, 2017, 3:15 pm *sharp at Science Center 507 
NUMBER THEORY SEMINAR 
Yifeng Liu (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Bounding Selmer groups via GrossKudlaSchoen cycles 

April 16, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Carl Wang Erickson (BRANDEIS UNIVERSITY) 
Ordinary pseudorepresentations, modular forms, and Iwasawa theory 

November 18, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Dino J. Lorenzini (UNIVERSITY OF GEORGIA) 
Regular models of curves and wild quotient singularities 

April 11, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Michael Harris (COLUMBIA UNIVERSITY) 
Special values of RankinSelberg tensor products for GL(n)xGL(m) 

November 13, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Alexander Goncharov (YALE UNIVERSITY) 
Hodge symmetries 

November 20, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Alexander Stasinski (DURHAM UNIVERSITY) 
Representation zeta functions of simple Lie groups and reductive groups over local rings 

March 04, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Yiwei She (IAS AND COLUMBIA UNIVERSITY) 
The (unpolarized) Shafarevich conjecture for K3 surfaces 

February 22, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Max Menzies (HARVARD UNIVERSITY) 
The pcurvature and Bost's Conjecture for the GaussManin connection on nonabelian cohomology 

October 10, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Jennifer Balakrishnan (BOSTON UNIVERSITY) 
Effective aspects of quadratic Chabauty 

April 04, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Some elliptic curves and surfaces of jinvariant zero 

March 02, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Eric Urban (COLUMBIA UNIVERSITY) 
Eisenstein congruences and Euler systems 

November 14, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Jan Vonk (MCGILL UNIVERSITY) 
Crystalline cohomology of towers of curves 

April 12, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Nicolas Templier (CORNELL UNIVERSITY) 
Kloosterman families, Quantum cohomology and geometric Langlands 

April 20, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Wei Zhang (COLUMBIA UNIVERSITY) 
Cycles on the moduli of Shtukas and Taylor coefficients of Lfunctions (II) **Note: This is a continuation of Zhiwei Yun's talk, on Oct 13, 4:305:30pm in MIT room E17122. 

October 14, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Benedict Gross (HARVARD UNIVERSITY) 
On some Artin Lseries 

December 02, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Adriana Salerno (BATES COLLEGE) 
Effective computations in arithmetic mirror symmetry 

March 12, 2014, 3:00 PM at Sci Center 507 
NUMBER THEORY SEMINAR 
Maarten Derickx (UNIVERSITY OF LEIDEN / UNIVERSITY OF BORDEAUX) 
Finding all points of degree < gonality on Y_1(N) 

October 30, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Cristian Popescu (UC SAN DIEGO) 
Abstract ladic 1motives and applications 

November 11, 2015, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
David Corwin (MIT) 
Etale Homotopy Obstructions for Rational Points Applied to Open Subvarieties 

October 04, 2017, 3:15 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
How many points can a genus3 curve have? 

February 25, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Wei Zhang (MIT) 
Special cycles on simple Shimura varieties 

February 28, 2018, 3:00 PM at Sci Center 507 
NUMBER THEORY SEMINAR 
Chuck Doran (UNIVERSITY OF ALBERTA AND ICERM) 
Arithmetic MIrror Symmetry for K3 Pencils and Hypergeometric Decomposition 

March 28, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Chao Li (COLUMBIA UNIVERSITY) 
Goldfeldâs conjecture and congruences between Heegner points 

November 16, 2016, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
William Yun Chen (INSTITUTE FOR ADVANCED STUDY) 
Moduli Interpretations for Noncongruence Modular Curves 

October 05, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Cristian Popescu (UC SAN DIEGO) 
Equivariant Iwasawa theory, Hecke characters and the Ktheory of number fields 

November 05, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
John Bergdall (BRYN MAWR COLLEGE) 
Upper bounds for constant slope padic families of modular forms 

November 28, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Alena Pirutka (ECOLE POLYTECHNIQUE, FRANCE, CENTRE DE MATHEMATIQUES LAURENT SCHWARTZ) 
On some counterexamples to the integral Tate conjecture 

October 22, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
The work of Vincent Lafforgue on the Langlands conjecture for function fields 

November 13, 2013, 4:15  5:15 PM at Science Center Hall E 
NUMBER THEORY SEMINAR 
Noam Elkies (HARVARD UNIVERSITY) 
Integervalued polynomials with slow growth 

April 09, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ila Varma (HARVARD UNIVERSITY) 
Galois representations associated to regular algebraic cuspidal automorphic representations of GLn are de Rham 

February 17, 2016, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
() 
No seminar this week 

November 02, 2016, at 
NUMBER THEORY SEMINAR 
Arul Shankar (HARVARD UNIVERSITY) 
The average 5Selmer rank of elliptic curves 

September 25, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Sol Friedberg (BOSTON COLLEGE) 
Langlands functoriality, the converse theorem, and integral representations of Lfunctions 

December 05, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Jacob Tsimerman (HARVARD UNIVERSITY) 
The Geometry of the FreyMazur conjecture 

November 06, 2013, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Stefan Patrikis (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Deformations of Galois representations and exceptional monodromy 

April 15, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Kamal KhuriMakdisi (AMERICAN UNIVERSITY OF BEIRUT) 
Eisenstein series of weight 1 

February 12, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
John Bergdall (BOSTON UNIVERSITY) 
Slopes of modular forms and the ghost conjecture 

March 30, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Kiran S. Kedlaya (UNIVERSITY OF CALIFORNIA AT SAN DIEGO) 
Locally analytic vectors from Galois representation: variations on CherbonnierColmez 

November 06, 2013, 2:00 PM at Science Center Hall A 
NUMBER THEORY SEMINAR 
Lucia Mocz (PRINCETON UNIVERSITY) 
A New Northcott Property for Faltings Height 

November 15, 2017, 3:15 pm *sharp at Science Center 507 
NUMBER THEORY SEMINAR 
N/A () 
N/A 

November 26, 2014, at 
NUMBER THEORY SEMINAR 
Ronen Mukamel (UNIVERSITY OF CHICAGO) 
Singular moduli and the primes of bad reduction of Teichmuller curves 

October 08, 2014, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Tadashi Tokieda (CAMBRIDGE UNIVERSITY / RADCLIFFE INSTITUTE) 
Toy models 

May 14, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Igor Rapinchuk (HARVARD UNIVERSITY) 
On Division Algebras with the same maximal subfields 

October 16, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Frank Calegari (UNIVERSITY OF CHICAGO) 
Modularity lifting theorems beyond Shimura varieties 

April 05, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Ari Shnidman (BOSTON COLLEGE) 
Heights of generalized Heegner cycles 

April 06, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Jared Weinstein (BOSTON UNIVERSITY) 
The cohomology of local Shimura varieties 

November 09, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
David Rohrlich (BOSTON UNIVERSITY) 
Counting Artin representatives 

September 27, 2017, 3:15 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Florian Herzig (UNIVERSITY OF TORONTO) 
Ordinary representations and locally analytic vectors for GL_n(Q_p) 

November 07, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Jack Thorne (HARVARD UNIVERSITY) 
The arithmetic of some nonhyperelliptic curves 

December 04, 2013, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Chris Skinner (PRINCETON) 
Some recent results on Euler systems 

October 31, 2018, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Hossein Movasati (HARVARD UNIVERSITY) 
Modular forms for triangle groups 

February 05, 2014, 3:00 PM at Sci Center 507 
NUMBER THEORY SEMINAR 
Jennifer Balakrishnan (BOSTON UNIVERSITY) 
IteratedÂ padicÂ integralsÂ andÂ rationalÂ pointsÂ on curves 

September 14, 2016, 3:00  4:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Ken Ono (EMORY UNIVERSITY) 
Special functions and numbers related to mock modular forms 

October 09, 2013, 4:30 PM at Science Center, Hall E 
NUMBER THEORY SEMINAR 
JoĂ«l Bellaiche (BRANDEIS UNIVERSITY) 
The eigencurve at classical points of weight one 

December 10, 2014, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Andrew Sutherland (MIT) 
SatoTate in dimension 3 

December 07, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Taylor Dupuy (VERMONT) 
On The Integers of CC(t)^{alg} 

March 08, 2017, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Akshay Venkatesh (STANFORD) 
The action of the derived Hecke algebra on weight one forms 

November 30, 2016, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Yihang Zhu (HARVARD UNIVERSITY) 
The HasseWeil zeta functions of the intersection cohomology of minimally compactified orthogonal Shimura varieties 

October 12, 2016, 3:00 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Preston Wake (UNIVERSITY OF CHICAGO) 
Eisenstein Hecke algebras and pseudorepresentations 

February 18, 2015, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Koji Shimizu (HARVARD UNIVERSITY) 
Local constancy of generalized HodgeTate weights of a padic local system 

September 20, 2017, 3:15  4:15 pm at Science Center 507 
NUMBER THEORY SEMINAR 
Hansheng Diao (PRINCETON UNIVERSITY) 
Towards a $p$adic RiemannHilbert correspondence 

February 14, 2018, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Jacob Tsimerman (UNIVERSITY OF TORONTO) 
Bounding 2torsion in class groups 

March 23, 2016, 3:00 PM at Science Center 507 
NUMBER THEORY SEMINAR 
Aaron Pollack (PRINCETON UNIVERSITY) 
RankinSelberg integrals associated to nonunique models 

April 23, 2014, 3:00 PM at Sci Center 507 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
JeanBernard Zuber (SORBONNE UNIVERSITĂ©) 
ADE and all that, 30 years after 

October 09, 2018, 4:00 pm at Jefferson 356 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Bohan Fang (PEKING UNIVERSITY) 
Mirror symmetry for toric CalabiYau 3folds 

September 04, 2018, 4:00 pm at Jefferson 356 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
William Norledge (PENN STATE) 
The adjoint braid arrangement as a free Lie algebra in species via the Steinmann relations 

November 13, 2018, 4:00 pm at Jefferson 356 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Shamil Shakirov (HARVARD UNIVERSITY) 
Rational integrable systems associated with higher genus surfaces 

October 23, 2018, 4:00 pm at Jefferson 356 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Victor Kac (MIT) 
Multiplicative Poisson vertex algebras and differentialdifference Hamiltonian equations 

October 02, 2018, 5:00 pm at Jefferson 356 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Xun Gao (HARVARD AND MAX PLANCK INSTITUTE) 
Pictorial language in quantum computation 

November 09, 2018, 3:30 pm at Jefferson 256 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Chunlan Jiang (HEBEI NORMAL UNIVERSITY) 
Similarity Invariants of Geometric Operators 

October 30, 2018, 4:00 pm at Jefferson 453 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Liming Ge (CHINESE ACADEMY OF SCIENCE AND UNIVERSITY OF NEW HAMPSHIRE) 
On Multiplicative Fourier Transforms 

September 18, 2018, 4:00 pm at Jefferson 356 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Semyon Dyatlov (UC BERKELEY AND MIT) 
Fractal Uncertainty Principle and Quantum Chaos 

October 05, 2018, 4:30 pm at Jefferson 453 
MATHEMATICAL PICTURE LANGUAGE SEMINAR 
Christoph Gorgulla (HARVARD MEDICAL SCHOOL AND THE MATHEMATICAL PICTURE LANGUAGE PROJECT) 
A quantum mechanical free energy method based on Feynman's path integral formulation 

October 16, 2018, 4:00 pm at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Zhengwei Liu (VANDERBILT AND HARVARD) 
The Classification and Construction of Subfactors 

May 05, 2015, 2:00 PM at Science Center 530 
MATHEMATICAL PHYSICS SEMINAR 
Charles Zhaoxi Xiong (HARVARD UNIVERSITY) 
What generalized cohomology theories may have to do with symmetry protected topological phases 

April 18, 2017, 2:45 PM at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Thomas Spencer (INSTITUTE FOR ADVANCED STUDY) 
Randomness in Classical and Quantum Dynamics 

November 17, 2015, 1:15 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Bas Janssens (UTRECHT) 
Reflection Positivity for Majoranas and Spins 

November 17, 2015, 4:15 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Jinsong Wu (HARVARD UNIVERSITY) 
The BrascampLieb Inequalities for Planar Algebras 

September 26, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Nicholas Early (UNIVERSITY OF MINNESOTA) 
Canonical Bases for Permutohedral Plates 

February 13, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Fei Wei (UNIVERSITY OF NEW HAMPSHIRE) 
On divisor function in arithmetic progressions (joint work with Yitang Zhang and Boqing Xue) 

April 25, 2017, 2:45 PM at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Victor Kac (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Algebraic Theory of Integrable Systems 

November 24, 2015, 4:15 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Bin Gui (VANDERBILT UNIVERSITY) 
A Unitary Tensor Product Theory for Unitary Vertex Operator Algebra Modules 

January 23, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Masahito Yamazaki (UNIVERSITY OF TOKYO) 
Integrable Lattice Models from Gauge Theory 

February 21, 2017, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Dietmar Bisch (VANDERBILT UNIVERSITY) 
Single Generated Planar Algebras 

October 04, 2016, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Adrian Ocneanu (PENNSYLVANIA STATE UNIVERSITY) 
Higher Symmetry Models and Quantum Field Theory 

November 03, 2015, 4:15 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
William Norledge (HARVARD UNIVERSITY) 
A Construction of Lattices in Buildings 

September 12, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Bas Janssens (INSTITUTE OF MATHEMATICS, UNIVERSITY OF UTRECHT) 
Projective Unitary Representations of Infinite Dimensional Lie Groups 

April 14, 2015, 2:00 PM at Science Center 530 
MATHEMATICAL PHYSICS SEMINAR 
Shamil Shakirov (HARVARD UNIVERSITY) 
Integrability of Refined ChernSimons Theory 

February 14, 2017, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Nima ArkaniHamed (IAS, PRINCETON) 
The Amplituhedron and Scattering Amplitudes as Binary Code 

April 13, 2017, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
James Wootton (UNIVERSITY OF BASEL) 
Topological Error Correction 

March 21, 2017, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Feng Xu (UNIVERSITY OF CALIFORNIA, RIVERSIDE) 
On Questions Around the Reconstruction Program 

March 27, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Wei Zhang (MIT) 
Superpositivity of Lfunctions and âcompletion of squareâ 

March 23, 2018, 3:00 PM at Jefferson 250 
MATHEMATICAL PHYSICS SEMINAR 
Jurg Frolich (ETH ZĂŒRICH) 
Physics in 2Dâ"from KosterlitzThouless Transition to Topological Insulators 

March 20, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Daniel Harlow (HARVARD UNIVERSITY) 
Operator Algebras and Entropy in Lattice Gauge Theory 

November 24, 2015, 1:15 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Zhenghan Wang (MICROSOFT) 
Reconstructing chiral CFTs/VOAs from 2D TQFTs/MTCs 

October 31, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Marcel Bischoff (OHIO UNIVERSITY) 
Quantum Symmetries and Conformal Nets 

April 03, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Roland Bauerschmidt (HARVARD UNIVERSITY) 
Renormalization Group Analysis of SelfAvoiding Walk and Spin Models in 4D 

December 08, 2015, 4:15 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Babak Haghighat (HARVARD UNIVERSITY) 
Modularity of Yukawacouplings for elliptic CalabiYau manifolds 

August 31, 2015, 12:00  2:00 PM at Science Center 232 
MATHEMATICAL PHYSICS SEMINAR 
Alina Vdovina (UNIVERSITY OF NEWCASTLE AND NEW YORK UNIVERSITY) 
Buildings, surfaces and quaternions 

October 03, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
Higher Representation Theory 

November 14, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Zhengwei Liu (HARVARD UNIVERSITY) 
Quon language in mathemtics 

April 04, 2017, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Hannes Pichler (HARVARD UNIVERSITY) 
Photonic tensor networks produced by a single quantum emitter 

March 28, 2017, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Xinqi Gong (INSTITUTE FOR MATHEMATICAL SCIENCES, RENNIN UNIVERSITY OF CHINA) 
Mathematical Intelligence Applications in Biomedical Problems 

February 23, 2018, 3:00 pm at Jefferson 250 
MATHEMATICAL PHYSICS SEMINAR 
XiaoGang Wen (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
A Classification of Phases of Matter with No Symmetry in Two Spatial Dimensions 

November 03, 2015, 1:15 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Andreas Malmendier (UTAH STATE UNIVERSITY) 
Kummer surfaces, modular forms, and their roles in string dualities 

March 07, 2017, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Marco De Renzi (UNIVERSITY OF PARIS 7) 
Renormalized Hennings Invariants and TQFTs 

January 16, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Arthur Jaffe and Zhengwei Liu (HARVARD UNIVERSITY) 
Introduction to the Mathematical Picture Language Project 

September 05, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Yunxiang Ren (TENNESSEE STATE UNIVERSITY) 
A New Skein Theory for OneWay YangBaxter Planar Algebras 

February 02, 2018, 4:00 PM at Jefferson 250 
MATHEMATICAL PHYSICS SEMINAR 
SĂ¶rin Petrat (IST, AUSTRIA) 
Derivation of Meanfield Dynamics for Fermions 

December 08, 2015, 1:15 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Liang Kong (UNIVERSITY OF NEW HAMPSHIRE AND TSINGHUA UNIVERSITY) 
Lattice models for 2+1D topological orders with gapped boundaries 

March 10, 2015, 2:00  3:30 PM at Science Center 530 
MATHEMATICAL PHYSICS SEMINAR 
Hans Wenzl (UNIVERSITY OF CALIFORNIA, SAN DIEGO) 
Coideal Algebras and Subfactors 

February 27, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Kaifung Bu (HARVARD UNIVERSITY) 
De Finetti Theorems for Braiding Parafermions 

January 30, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Vaughan Jones (VANDERBILT UNIVERSITY) 
Scale Invariant Transfer Matrix and Hamiltonian for Quantum Spin Chains 

October 18, 2016, 2:45 pm at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Jacob Shapiro (ETH ZĂŒRICH) 
BulkEdge Duality and Complete Localization for Disordered Chiral Chains 

February 06, 2018, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Liming Ge (UNH AND CHINESE ACADEMY OF SCIENCES) 
From Riemann and Hilbert to KadisonSinger 

November 07, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Reflection Positivity and Invertible Topological Phases 

October 10, 2017, 4:00 PM at Jefferson 356 
MATHEMATICAL PHYSICS SEMINAR 
SeungJoo Lee (VIRGINIA TECH) 
Multiple Fibrations in CalabiYau Geometry and String Dualities 

November 07, 2016, 12:00 PM at CMSA Building, 20 Garden St, G10 
MATHEMATICAL PHYSICS SEMINAR 
Senya B. Shlosman (AIXMARSEILLE UNIVERSITY AND BROWN UNIVERSITY) 
Airy Diffusion and N1/3 Fluctuations in the 2D Ising Model 

April 28, 2015, 2:00 PM at Science Center 530 
MATHEMATICAL PHYSICS SEMINAR 
Yasuyuki Kawahigashi (UNIVERSITY OF TOKYO) 
Gapped Domain Walls Between Topological Phases and Subfactors 

October 11, 2016, 2:45 PM at Jefferson 453 
MATHEMATICAL PHYSICS SEMINAR 
Liming Ge (UNIVERSITY OF NEW HAMPSHIRE) 
Entropy Occurs in Number Theory 

March 03, 2015, 2:00 PM at Laboratory for Integrated Science (LISE), 15 Oxford St, Room 303 
MATHEMATICAL PHYSICS SEMINAR 
Vaughan Jones (VANDERBILT UNIVERSITY) 
Scale Invariant Transfer Matrix and Hamiltonian for Quantum Spin Chains Pt. II 

October 20, 2016, 1:15 pm at Jefferson 256 
LOGIC SEMINAR 
Sebastien Vasey (HARVARD UNIVERSITY) 
Internal sizes in $\mu$abstract elementary classes 

September 12, 2017, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Rehana Patel (HARVARD UNIVERSITY) 
Around Cherlin's question on countable universal $H$free graphs 

November 12, 2018, 5:40 pm at Science Center 507 
LOGIC SEMINAR 
Paul Baginski (FAIRFIELD UNIVERSITY) 
Model Theoretic Advances for Groups With Bounded Chains of Centralizers 

April 24, 2018, 5:15 PM at Science Center 507 
LOGIC SEMINAR 
Nate Ackerman (HARVARD UNIVERSITY) 
Vaught's Conjecture for a Grothendieck topos 

September 05, 2017, 5:00  6:00 PM at Science Center 507 
LOGIC SEMINAR 
Alexander Van Abel (CITY UNIVERSITY OF NEW YORK) 
The FefermanVaught Theorem and the Product of All Prime Finite Fields 

February 27, 2018, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Will Boney (HARVARD UNIVERSITY) 
Modeltheoretic characterizations of large cardinals 

September 19, 2017, 5:15 PM at Science Center 507 
LOGIC SEMINAR 
Warren Goldfarb () 
Two Notes on Weak Arithmetic 

April 03, 2018, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Sebastien Vasey (HARVARD UNIVERSITY) 
Nonelementary classification theory 

October 31, 2017, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Tibor Beke (UNIVERSITY OF MASSACHUSETTS  LOWELL) 
Schanuel functors and the Grothendieck (semi)ring of some theories 

December 03, 2018, 5:40 pm at Science Center 507 
LOGIC SEMINAR 
Will Boney (HARVARD UNIVERSITY) 
Interpolation beyond $\mathbb{L}_{\omega_1, \omega}$ 

October 24, 2017, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Doug Blue (HARVARD UNIVERSITY) 
Sacks' embedding problem 

October 29, 2018, 5:40 pm at Science Center 507 
LOGIC SEMINAR 
Nate Ackerman (HARVARD UNIVERSITY) 
Trees, Sheaves and Definition by Recursion 

October 10, 2017, 5:15 PM at Science Center 507 
LOGIC SEMINAR 
Rehana Patel () 
Stable regularity for finite relational structures 

January 30, 2018, 5:15  6:15 pm at Science Center 507 
LOGIC SEMINAR 
Gabriel Goldberg (HARVARD UNIVERSITY) 
The least strongly compact cardinal and the Ultrapower Axiom 

September 26, 2017, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Gabriel Goldberg (HARVARD UNIVERSITY) 
Descending sequences in the Mitchell order 

November 05, 2018, 5:40 pm at Science Center 507 
LOGIC SEMINAR 
Alice Medvedev () 
Unions of chains of signatures 

February 12, 2018, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Andrew BrookeTaylor (UNIVERSITY OF LEEDS) 
Products of CW complexes: the full story 

February 20, 2018, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Jesse Han (MCMASTER UNIVERSITY) 
Strong conceptual completeness for \omegacategorical theories 

February 06, 2018, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Marcos Mazari Armida (CARNEGIE MELLON UNIVERSITY) 
Nonforking wgood frames 

March 27, 2018, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Jason Rute () 
A uniform reducibility in computably presented Polish spaces 

October 03, 2017, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Cameron Freer (BORELIAN AND REMINE) 
Feedback Computability 

October 17, 2017, 5:15 pm at Science Center 507 
LOGIC SEMINAR 
Will Boney (HARVARD UNIVERSITY) 
ErdĆ`sRado Classes 

October 15, 2018, 5:40 pm at Science Center 507 
LOGIC SEMINAR 
Linda Brown Westrick (UNIVERSITY OF CONNECTICUT) 
Towards a notion of computable reducibility for discontinuous functions 

November 14, 2017, 5:15 pm at Science Center 507 
LOGIC COLLOQUIUM 
Sam Buss (UC SAN DIEGO) 
Bounded Arithmetic, Expanders, and Monotone Propositional Proofs 

October 24, 2018, 3:00  4:00 pm at Logic Center, 2 Arrow St, Rm 420 
LOGIC COLLOQUIUM 
Andrew Marks (UCLA) 
Martin measure and strong ergodicity 

April 28, 2016, 2:00  4:00 PM at 2 Arrow Street, Room #420 
LOGIC COLLOQUIUM 
Haim Horowitz (HEWBREW UNIVERSITY OF JERUSALEM) 
On the nonexistence and definability of mad families 

November 17, 2016, 4:00 pm at 2 Arrow St, Rm 408 
LOGIC COLLOQUIUM 
Charles Parsons (HARVARD UNIVERSITY) 
Kreisel and GĂ¶del 

November 28, 2018, 3:00  4:00 pm at Logic Center, 2 Arrow St, Rm 420 
LOGIC COLLOQUIUM 
Theodore A. Slaman (UC BERKELEY) 
Recursion Theory and Diophantine Approximation 

November 03, 2016, 4:00 pm at 2 Arrow St, Rm 420 
LOGIC COLLOQUIUM 
Ralf Schindler (UNIVERSITY OF MĂŒNSTER) 
Martin's Maximum with an asterix 

March 26, 2014, 4:00 PM at Logic Center, 2 Arrow St, Rm 420 
LOGIC COLLOQUIUM 
Scott Cramer (RUTGERS UNIVERSITY) 
Woodin's ADconjecture for I0 

April 20, 2016, 2:00  4:00 PM at 2 Arrow Street, Room #420 
LOGIC COLLOQUIUM 
Joel David Hamkins (CITY UNIVERSITY OF NEW YORK) 
Recent advances in settheoretic geology 

October 20, 2016, 4:00 pm at 2 Arrow St, Rm 420 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Laurent Fargues (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Structure of the Picard stack and the AbelJacobi morphism for the curve. 

November 20, 2017, 4:00  6:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Perfectoid afterparty: proetale topology 

November 15, 2017, 5:00 pm *note special day/time* at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Review of foundations of perfectoid spaces 

October 23, 2017, 4:00  6:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Foundations of perfectoid spacesIV 

November 13, 2017, 4:00  6:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Jacob Lurie (HARVARD UNIVERSITY) 
Constructing Functions on Y: Power Series in the Variable p 

October 02, 2017, 4:00  6:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Jacob Lurie (HARVARD UNIVERSITY) 
An Overview 

September 11, 2017, 4:00  6:00 PM at Science Center 232 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Foundations of perfectoid spacesII 

October 30, 2017, 4:00  6:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Matthew Morrow (INSTITUTE OF MATHEMATICS OF JUSSIEU) 
Foundations of perfectoid spacesIII 

November 06, 2017, 4:00  6:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUESFONTAINE CURVE 
Zijian Yao (HARVARD UNIVERSITY) 
Properties of the curve (incl. line bundles) 

October 16, 2017, 4:00  6:00 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUEFONTAINE CURVE 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
The relative FarguesFontaine curve and ``untilts", continued 

September 25, 2017, 4:00  5:30 PM at Science Center 507 
LEARNING SEMINAR ON THE FARGUEFONTAINE CURVE 
Dennis Gaitsgory (HARVARD UNIVERSITY) 
The FarguesFontaine curve and "untilts" 

September 18, 2017, 4:00  5:30 PM *note earlier ending at Science Center 507 
JOINT MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Kay Kirkpatrick (UIUC MATH AND PHYSICS, MIT MATH) 
Quantum groups, Free ArakiWoods Factors, and a Calculus for Moments 

November 01, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT HARVARD MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Antonio Auffinger (NORTHWESTERN UNIVERSITY) 
Parisi formula for the ground state energy of the SherringtonKirkpatrick model 

September 28, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT HARVARD MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Stephane Benoist (MIT) 
Near critical spanning forests 

September 21, 2016, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Oanh Nguyen (YALE UNIVERSITY) 
Roots of random polynomials 

April 12, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Chiranjib Mukherjee (COURANT INSTITUTE) 
Compactness and Large Deviations 

March 24, 2017, 2:00 at Science Center Room 232 
JOINT DPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Weijun Xu (UNIVERSITY OF WARWICK) 
Meaing of infinities in KPZ and Phi^4_3 

April 19, 2017, 3:00  4:00 PM *note correction of time* at CMSA Building, 20 Garden St, G10 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Nina Holden (MIT) 
Percolationdecorated triangulations and their relation with SLE and LQG 

March 29, 2017, 3:00 pm at CMSA Building, 20 Garden St, G02 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Ilya Soloveychik (HARVARD SCHOOL OF ENGINEERING & APPLIED SCIENCES) 
Deterministic Random Matrices 

May 03, 2017, 3:00 pm at CMSA Building, 20 Garden St, G02 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Steven Heilman (UCLA) 
Noncommutative Majorization Principles and Grothendieck's Inequality 

April 05, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Subhajit Goswami (UNIVERSITY OF CHICAGO) 
Liouville firstpassage percolation and Watabiki's prediction 

April 12, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Tselil Schramm (HARVARD UNIVERSITY AND MIT) 
(Nearly) Efficient Algorithms for the Graph Matching Problem in Correlated Random Graphs 

October 24, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G02 *note different location* 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Yash Deshpande (MIT) 
Estimating lowrank matrices in noise: phase transitions from spin glass theory 

September 28, 2018, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
David Gamarink (MIT) 
(Arguably) Hard on Average Constraint Satisfaction Problems 

November 29, 2017, 3:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Madhu Sudan (CS, HARVARD) 
General Strong Polarization 

October 23, 2017, 12:00  1:00 PM at Science Center 232 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Wilhelm Schlag (YALE UNIVERSITY) 
On the BourgainDyatlov fractal uncertainty principle 

November 07, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Zhe Wang (NYU) 
A Driven Tagged Particle in Onedimensional Simple Exclusion Process 

November 10, 2017, 12:00 PM at Science Center 232 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Phillipe Rigollet (MIT) 
Exact recovery in the Ising blockmodel 

December 06, 2017, 2:00  3:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Yue M. Lu (HARVARD JOHN A. PAULSON SCHOOL OF ENGINEERING AND APPLIED SCIENCES) 
Asymptotic Methods for HighDimensional Inference: Precise Analysis, Fundamental Limits, and Optimal Designs 

November 20, 2017, 12:00 PM at Science Center 232 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Mustazee Rahman (MIT) 
On shocks in the TASEP 

February 23, 2018, 3:30 pm at CMSA Building, 20 Garden Street, G02 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Lauren Williams (HARVARD UNIVERSITY) 
Introduction to the asymmetric simple exclusion process (from a combinatorialist's point of view) 

October 30, 2018, 10:30 am at Science Center 507 *note special day, time & location* 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Reza Gheissari (NEW YORK UNIVERSITY) 
Dynamics of Critical 2D Potts Models 

February 16, 2018, 3:30 pm at CMSA Building, 20 Garden Street, G02 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Omer Angel (UNIVERSITY OF BRITISH COLUMBIA) 
Balanced excited random walks 

December 05, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G02 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Alfonso Bandeira (NEW YORK UNIVERSITY) 
Statistical estimation under group actions: The Sample Complexity of MultiReference Alignment 

October 10, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Elchanan Mossel (MIT) 
Optimal Gaussian Partitions 

November 08, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Ankur Moitra (MIT) 
A New Approach to Approximate Counting and Sampling 

December 06, 2017, 3:00  4:00 pm at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Ian Jauslin (INSTITUTE FOR ADVANCED STUDY) 
Liquid Crystals and the HeilmannLieb model 

October 03, 2018, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Thomas Chen (UNIVERSITY OF TEXAS AT AUSTIN) 
Dynamics of a heavy quantum tracer particle in a Bose gas 

October 17, 2018, 3:30  4:30 pm * please note change in time* at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
David Gamarnik (MIT AND HARVARD) 
Two Algorithmic Hardness Results in Spin Glasses and Compressive Sensing 

November 14, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
WeiMing Wang (CNRS) 
Quasiperiodic solutions to nonlinear PDE's 

November 01, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Daniel Sussman (BOSTON UNIVERSITY) 
Multiple Network Inference: From Joint Embeddings to Graph Matching 

November 15, 2017, 4:00  5:00 pm *note change in time* at CMSA Building, 20 Garden Street, G02 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Sean O'Rourke () 
Universality and least singular values of random matrix products 

November 28, 2018, 3:00  4:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Noga Alon (TEL AVIV UNIVERSITY) 
Random Cayley Graphs 

October 25, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CMSA RANDOM MATRIX & PROBABILITY THEORY SEMINAR 
Subhabrata Sen (MICROSOFT AND MIT) 
Partitioning sparse random graphs: connections with meanfield 

October 25, 2017, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR: 
Dan Romik (UC DAVIS) 
A Pfaffian point process for Totally Symmetric Self Complementary Plane Partitions 

December 07, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Xiaoqin Guo (STONY BROOK UNIVERSITY) 
Harnack inequality for a balanced random environment 

March 08, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Yu Gu (STANFORD) 
Local vs global random fluctuations in stochastic homogenization 

November 16, 2016, 2:30 pm *note change in time* at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Edgar Dobriban (STANFORD UNIVERSITY) 
Computation, statistics and random matrix theory 

October 05, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Lisa Hartung (COURANT INSTITUTE) 
The Structure of Extreme Level Sets in Branching Brownian Motion 

February 15, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Michael Damron (GEORGIA INSTITUTE OF TECHNOLOGY) 
Bigeodesics in firstpassage percolation 

October 12, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Ramon van Handel (PRINCETON UNIVERSITY) 
Inhomogeneous random matrices 

November 02, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
James Lee (UNIVERSITY OF WASHINGTON) 
Conformal growth rates, spectral geometry, and distributional limits of graphs 

November 30, 2016, 3:00 pm at CMSA Building, 20 Garden St, G02 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Bob Hough (STONY BROOK UNIVERSITY) 
Random walk on unipotent groups 

February 22, 2017, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Brian Rider (TEMPLE UNIVERSITY) 
Universality for the random matrix hard edge 

December 14, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Alexander Fribergh (UNIVERSITĂ© DE MONTRĂ©AL) 
The ant in the labyrinth 

March 22, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Jafar Jafarov (STANFORD UNIVERSITY) 
SU(N) Wilson loop expectations 

November 22, 2016, 3:00 pm at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Wei Wu (NEW YORK UNIVERSITY) 
Extremal and local statistics for gradient field models 

October 26, 2016, 3:00 PM at CMSA Building, 20 Garden St, G10 
JOINT DEPARTMENT OF MATHEMATICS AND CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR 
Shirshendu Gangly (UC BERKELEY) 
Large deviation and counting problems in sparse settings 

March 01, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
JOINT BASIC NOTIONS AND INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
The complex hyperbolic geometry of moduli space 

November 04, 2013, 3:00 PM at Science Center 507 
INFORMAL SEMINAR: NEW RESULTS ON HYPERBOLIC VOLUME 
Curt McMullen & Martin Bridgeman (HARVARD / BOSTON COLLEGE) 
Organizational Meeting / first talk 

October 15, 2014, 4:00  6:00 PM at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Ergodic theory of foliations of surfaces 

October 10, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Ergodic theory of foliations of surfaces 

October 17, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Ronen Mukamel (RICE UNIVERSITY) 
Teichmueller curves: Theory and exploration 

October 31, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Moduli spaces and dynamical systems 

September 19, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Moduli spaces and dynamical systems 

September 26, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Introduction to Teichmueller curves in genus 2 

September 28, 2016, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Simion Filip (HARVARD UNIVERSITY) 
From Teichmueller curves to higherdimensional invariant subvarieties 

November 02, 2016, 4:00 PM at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Moduli spaces and dynamical systems 

September 05, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
A Panorama of Teichmueller Curves 

November 07, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Moduli spaces and dynamical systems 

September 12, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY AND DYNAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
The failure of Ratnerâs theorem for moduli spaces 

December 05, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Oleg Ivrii (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Differentiating Blaschke products 

March 22, 2017, 4:00 pm at Science Center 507 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Bena Tshishiku (HARVARD UNIVERSITY) 
Cohomology of arithmetic groups and characteristic classes of manifold bundles 

November 01, 2017, 4:00 PM at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Dawei Chen (BOSTON COLLEGE & HARVARD UNIVERSITY) 
Extremal and rigid divisors on moduli spaces of curves 

March 08, 2017, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Francis Bonahon (UNIVERSITY OF SOUTHERN CALIFORNIA) 
What to do when you cannot confine your planes? TeichmĂŒller spaces of noncompact Riemann surfaces 

April 04, 2018, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Matt Bainbridge (INDIANA UNIVERSITY) 
Smooth compactifications of strata of abelian differentials 

March 29, 2017, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Fabian Haiden (HARVARD UNIVERSITY) 
Flat surfaces and stability structures on categories 

February 08, 2017, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Ahmad Rafiqi (CORNELL UNIVERSITY) 
Surface homeomorphisms from matrices and typical properties of biPerron numbers 

May 03, 2017, 4:00  6:00 pm at Science Center 507 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Russell Lodge (STONY BROOK UNIVERSITY) 
Global dynamics of multi curves in complex dynamics 

March 01, 2017, 4:00 pm at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Kathryn Lindsey (BOSTON COLLEGE) 
Galois conjugates of PCF generalized betatransformations 

April 18, 2018, 4:00 PM at Sci Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Richard Schwartz (BROWN UNIVERSITY) 
5 points on the sphere 

February 28, 2018, 4:00 PM at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Eduard Duryev (HARVARD UNIVERSITY) 
Dilation surfaces: geometry, dynamics and moduli space. Part 2 

April 26, 2017, 4:00  6:00 pm at Science Center 530 
INFORMAL GEOMETRY & DYNAMICS SEMINAR 
Jane Wang (MIT) 
Dilation surfaces: geometry, dynamics and moduli space. Part 1 

April 19, 2017, 4:00 PM at Science Center 530 
INFORMAL GEOMETRY & DYAMICS SEMINAR 
Jesse Wolfson & Benson Farb (UC IRVINE & UNIVERSITY OF CHICAGO) 
The geometry of Hilbert's 13th problem 

March 07, 2018, 4:00 PM at Science Center 530 
INFORMAL GEOMETRY & DYAMICS SEMINAR 
Corey Bregman (BRANDEIS UNIVERSITY) 
Kaehler groups and surface bundles 

April 11, 2018, 4:00 PM at Science Center 530 
INFORMAL GEOMETRY & DYAMICS SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Planes immersed in hyperbolic 3manifolds 

March 28, 2018, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Simion Filip (UNIVERSITY OF CHICAGO) 
Families of K3 surfaces and their asymptotic properties 

April 15, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
John H. Hubbard (CORNELL UNIVERSITY) 
On complex HĂ©non Maps 

February 11, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Matthieu Astorg (UNIVERSITĂ© PAUL SABATIER) 
A polynomial endomorphism of C^2 with a wandering Fatou component 

April 29, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Adam Epstein (UNIVERSITY OF WARWICK) 
Generalizing Douady's Magic Formula 

March 25, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Almost simple geodesics on the triplypunctured sphere 

September 14, 2016, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Alden Walker (UNIVERSITY OF CHICAGO) 
Circle actions on the boundary of Schottky space 

March 04, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Alex Kontorovich (RUTGERS UNIVERSITY) 
Equidistribution of Shears and Applications 

February 25, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Kevin Pilgrim (INDIANA UNIVERSITY) 
On the classification of critically fixed rational maps 

April 01, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Laura DeMarco (NORTHWESTERN UNIVERSITY) 
Complex Dynamics and Elliptic Curves 

May 13, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Holly Krieger (MIT) 
A case of the dynamical AndrĂ©Oort conjecture 

April 22, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Cliques and spectra of graphs 

February 19, 2014, 4:00 PM at Sci Center 530 
INFORMAL DYNAMICS AND GEOMETRY SEMINAR 
Sam Taylor (YALE UNIVERSITY) 
Hyperbolic extensions of free groups 

March 11, 2015, 04:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Simion Filip (HARVARD UNIVERSITY) 
Hypergeometric equations and Lyapunov exponents (via Hodge theory) 

February 14, 2018, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Phil Engel (HARVARD UNIVERSITY) 
Penrose Tilings of Riemann Surfaces 

February 07, 2018, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Yongquan Zhang (HARVARD UNIVERSITY) 
Andreev's theorem on hyperbolic polyhedra and Kleinian reflection groups 

April 25, 2018, 4:00 pm at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Tom Church (STANFORD & MIT) 
Moebius functions and growth rates of groups 

March 26, 2014, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Eriko Hironaka (ICERM AND FLORIDA STATE UNIVERSITY) 
Towards a fibered face theory for free group automorphisms. 

October 30, 2013, 4:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Eduard Duryev (HARVARD UNIVERSITY) 
Squaretilings of modular curves X(d) 

November 08, 2017, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
The curve complex of a directed graph 

February 26, 2014, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Philip Engel (HARVARD UNIVERSITY) 
The number of positively curved triangulations on the sphere 

February 02, 2017, 4:00 pm at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Constant curvature and Outer space 

April 02, 2014, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Sander Kupers (HARVARD UNIVERSITY) 
The metastable homology of mapping class groups 

October 25, 2017, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Giulio Tiozzo (YALE AND ICERM) 
Galois conjugates of entropies of quadratic maps 

December 04, 2013, 4:00 PM at Sci Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Bena Tshishiku (HARVARD UNIVERSITY) 
Moduli space, surface bundles, and the AtiyahKodaira examples 

October 19, 2016, 4:00 pm at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Kenneth Bromberg (UNIVERSITY OF UTAH) 
Bounds on renormalized volume and the volume of the convex core 

March 21, 2018, 4:00 pm at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Dylan Thurston (INDIANA UNIVERSITY) 
Rubber Bands and Rational Maps 

February 18, 2015, 4:00  5:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Nattalie Tamam (TEL AVIV UNIVERSITY) 
Divergent trajectories in arithmetic homogeneous spaces of rational rank two 

October 04, 2017, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Rohini Ramadas (HARVARD UNIVERSITY) 
Algebraic dynamics from topological and holomorphic dynamics 

October 18, 2017, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Ronen Mukamel (UNIVERSITY OF CHICAGO) 
Kronecker's congruence and TeichmĂŒller curves in positive characteristic 

February 04, 2015, 4:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Fibered 3manifolds and the simplest known surface dynamics 

April 30, 2014, 04:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Martin Bridgeman (BOSTON COLLEGE) 
The pressure metric for convex Anosov representations 

November 13, 2013, 4:00 PM at Science Center 507 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Nick Salter (HARVARD UNIVERSITY) 
Plane curves, (higher) spin structures, and mapping class groups 

September 20, 2017, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Jane Wang (MIT) 
Finitely many algebraically primitive TeichmĂŒller curves in genus g at least 3 

November 29, 2017, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
Optimal metrics on graphs 

February 12, 2014, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Philip Engel (HARVARD UNIVERSITY) 
Tilings and Hurwitz Theory 

September 13, 2017, 4:00  6:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Yusheng Luo (HARVARD UNIVERSITY) 
Trees in degenerating families of rational maps and isometric Gactions 

September 27, 2017, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
Classification of graphs with small entropy 

March 05, 2014, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Graphs with expansion < 8 

March 12, 2014, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
The behavior of planes in confinement 

January 31, 2018, 4:00 PM at Science Center 530 
INFORMAL DYNAMICS & GEOMETRY SEMINAR 
Ian Biringer (BOSTON COLLEGE) 
Convex cores of thick hyperbolic 3manifolds with bounded rank 

February 21, 2018, 4:00 PM at Science Center 530 
INFORMAL COMBINATORICS SEMINAR 
Anand Louis (PRINCETON UNIVERSITY) 
Hypergraph Heat Operators and Applications 

March 13, 2015, 1:00  2:00 PM at Science Center 530 
HARVARD/MIT LOGIC SEMINAR **NEW TIME & LOCATION** 
Spencer Breiner (CARNEGIE MELLON UNIVERSITY) 
A scheme construction for logic and model theory 

October 29, 2013, 5:00  6:00 PM at Science Center 232 
HARVARD/MIT LOGIC SEMINAR 
Sam Sanders (GHENT UNIVERSITY) 
Higherorder Reverse Mathematics: Where existence meets computation via infinitesimals 

December 06, 2013, 4:30  5:30 PM at Science Center 507 
HARVARD/MIT LOGIC SEMINAR 
Cameron Donnay Hill (WESLEYAN UNIVERSITY) 
On Filters in FraĂŻssĂ© Classes 

October 22, 2013, 4:30  5:30 PM at Science Center 507 
HARVARD/MIT LOGIC SEMINAR 
Brian Wynne (BARD COLLEGE AT SIMON'S ROCK) 
Upper products of existentially closed Abelian â"groups 

November 26, 2013, 4:30  5:30 PM at Science Center 507 
HARVARD/MIT LOGIC SEMINAR 
Paul Christiano (UC BERKELEY) 
Probabilistic metamathematics and the definability of truth 

October 15, 2013, 4:30  5:30 PM at Science Center 507 
HARVARD/MIT LOGIC SEMINAR 
Lynn Scow (VASSAR COLLEGE) 


December 03, 2013, 4:30  5:30 PM at Science Center 507 
HARVARD/MIT LOGIC SEMINAR 
Isaac Goldbring (UNIVERSITY OF ILLINOIS AT CHICAGO) 
A survey of the model theory of tracial von Neumann algebras 

November 11, 2013, 4:30 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR **CANCELLED** 
Vasudevan Srinivas (TATA INSTITUTE OF FUNDAMENTAL RESEARCH) 
Stratified vector bundles on simply connected varieties in positive characteristic 

January 27, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Renzo Cavalieri (COLORADO STATE) 
Witten conjecture for Mumford's kappa classes 

May 08, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
CĂ©sar Lozano Huerta (UNIVERSITY OF ILLINOIS AT CHICAGO) 
Birational Geometry of the Space of Complete Quadrics 

April 01, 2014, 4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Robert Friedman (COLUMBIA UNIVERSITY) 
Deformations of cusp singularities 

October 11, 2016, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ravi Vakil (STANFORD UNIVERSITY) 
The Chow ring of the moduli space of genus 6 curves 

March 04, 2014, 4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Eric Riedl (HARVARD UNIVERSITY) 
Rational Curves on Hypersurfaces 

September 30, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Giulia Sacca (STONY BROOK) 
Symplectic singularities and quiver varieties 

April 21, 2015, 4:00  5:00 PM *special time at Science Center 309A *special location 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alina Marian (NORTHEASTERN UNIVERSITY) 
On the intersection theory of Hilbert schemes of points on a surface 

September 26, 2017, 3:00 PM at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Filippo Viviani (ROMA TRE) 
Tropicalizing vs Compactifying the Torelli Map 

October 29, 2013, 4:00  5:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dori Bejleri (MIT) 
Compact moduli of elliptic fibrations and degree one del Pezzo surfaces 

October 16, 2018, 3:00 pm at MIT 2142 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Daniel HalpernLeistner (COLUMBIA UNIVERSITY) 
Equivariant Hodge theory 

September 22, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jenia Tevelev (UNIVERSITY OF MASSACHUSETTS AMHERST) 
Birational geometry of moduli of stable rational curves 

April 29, 2014, 4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Gabriele di Cerbo (COLUMBIA UNIVERSITY) 
Log birational boundedness of CalabiYau pairs 

December 6, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Melody Chan (BROWN UNIVERSITY) 
Cohomology of M_g and the tropical moduli space of curves 

April 24, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dave Jensen (UNIVERSITY OF KENTUCKY) 
Linear Systems on General Curves of Fixed Gonality 

October 17, 2017, 3:00 PM at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alex Perry (HARVARD UNIVERSITY) 
Categorical joins 

October 13, 2015, 3:00 PM at MIT E17122 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Diane Maclagan (WARWICK) 
The Cox ring of wonderful compactifications 

November 19, 2013, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Aleksey Zinger (STONY BROOK UNIVERSITY) 
Enumerative geometry of curves: old and new 

March 14, 2017, **CANCELED DUE TO WEATHER. to be rescheduled** at **CANCELED DUE TO WEATHER** 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Yuchen Liu (YALE UNIVERSITY) 
Kstability of cubic threefolds 

October 03, 2017, 3:00 PM at MIT 4237 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Marco Gualtieri (UNIVERSITY OF TORONTO) 
Holomorphic symplectic Morita equivalence and the generalized Kaehler potential 

December 12, 2017, 3:00 pm at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Serge Cantat (INSTITUTE FOR ADVANCED STUDY) 
Birational Actions of SL(n,Z) 

October 28, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Tim Magee (INSTITUTO DE MATHEMĂĄTICAS, UNAM) 
Toric degenerations of cluster varieties 

October 23, 2018, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Roya Beheshti (WASHINGTON UNIVERSITY IN ST. LOUIS) 
Spaces of rational curves on Fano hypersurfaces 

March 25, 2014, 4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alberto Lopez (TUFTS UNIVERSITY) 
TBA 

January 28, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
ManWai Cheung (HARVARD UNIVERSITY) 
Quiver representations and theta functions 

October 10, 2017, 3:00 PM at Science Center 411 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Yusuf Mustopa (NORTHEASTERN UNIVERSITY) 
Ulrich Sheaves and HigherRank BrillNoether Theory 

November 05, 2013, 3:00  4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Philip Engel (HARVARD UNIVERSITY) 
TBA 

December 01, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Fernando Cukierman (UNIVERSITY OF BUENOS AIRES) 
Families of foliations and varieties of complexes 

April 15, 2014, 4:30  5:30 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Atanas Atansov, 34 pm / Eric Larson, 45 pm (HARVARD UNIVERSITY) 
Interpolation and vector bundles on curves 

December 09, 2014, 3  5 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Joseph Landsberg (TEXAS A & M UNIVERSITY) 
What is geometric complexity theory? 

April 28, 2015, 3:00 PM at MIT 36156 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ariyan Javanpeykar (JOHANNES GUTENBERG UNIVERSITY MAINZ) 
Arithmetic, algebraic, and analytic hyperbolicity 

March 13, 2018, 3:00 PM at MIT 4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jesse Kass (UNIVERSITY OF SOUTH CAROLINA) 
How to count lines on a cubic surface arithmetically 

February 13, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jesus MartinezGarcia (JOHNS HOPKINS) 
On the moduli space of cubic surfaces and their anticanonical divisors 

March 24, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Margarida Melo (COIMBRA) 
Comparing Toroidal compactifications 

October 29, 2013, 3:00  4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Daniel Litt (STANFORD UNIVERSITY) 
Nonabelian Lefschetz Hyperplane Theorems 

November 11, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jack Huizenga (PENN STATE) 
Moduli of sheaves on Hirzebruch surfaces 

September 11, 2018, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Bhargav Bhatt (UNIVERSITY OF MICHIGAN) 
Prisms and deformations of de Rham cohomology 

February 06, 2018, 3:00 PM at MIT  4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Maksym Fedorchuk (BOSTON COLLEGE) 
Toward GIT stability of syzygies of canonical curves 

September 17, 2013, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
June Park (BROWN UNIVERSITY) 
Arithmetic of the moduli of quasimaps and the moduli of fibered algebraic surfaces with heuristics for counting curves over global fields 

April 17, 2018, 3:00 PM at MIT 4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Arnav Tripathy (HARVARD UNIVERSITY) 
Further counterexamples to the integral Hodge conjecture 

February 14, 2017, 3:00 pm at MIT 4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Rohini Ramadas (HARVARD UNIVERSITY) 
Dynamics on the moduli space of pointconfigurations on the Riemann Sphere 

September 12, 2017, 3:00 PM at Science Center 411 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Tiankai Liu (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
On the CoolidgeNagata conjecture 

February 04, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Matthew Grimes (CU  BOULDER) 
Universal moduli spaces of vector bundles and the logminimal model program on the moduli of curves 

February 24, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ian Shipman (HARVARD UNIVERSITY) 
Ulrich bundles and a generalization 

October 25, 2016, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Giulia Sacca (MIT) 
Degenerations of hyperkahler manifolds 

September 19, 2017, 3:00 PM at MIT 4237 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Aaron Bertram (UNIVERSITY OF UTAH) 
Counting finite quot schemes 

February 07, 2017, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Kenny Ascher (COLUMBIA UNIVERSITY) 
Uniformity of integral points and the LangVojta conjecture 

November 22, 2016, 3:00 PM at science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jesse Kass (UNIVERSITY OF SOUTH CAROLINA) 
How to make PoincarĂ© Duality into a holomorphic map 

May 06, 2014, 3:00  4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Valentijn Karemaker (UNIVERSITY OF PENNSYLVANIA) 
Dynamics of Belyi maps 

November 28, 2017, 3:00 PM at MIT 4237 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Christian Schnell (STONY BROOK) 
Kodaira dimension and zeros of holomorphic oneforms 

October 07, 2014, 4:00 PM at MIT E17122 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Amnon Yekutieli (BEN GURION UNIVERSITY) 
Residues and Duality for Schemes and Stacks 

October 08, 2013, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Charles Siegel (UNIVERSITY OF PENNSYLVANIA) 
A Modular Operad of Embedded Curves 

November 4, 2014, 4:00 PM at MIT E17122 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Scott Mullane (HARVARD UNIVERSITY) 
Extremal effective divisors in Mg,n 

April 04, 2017, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ignacio Barros (NORTHEASTERN UNIVERSITY) 
Uniruledness of strata of holomorphic differentials in small genus 

October 09, 2018, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Mike Hopkins (HARVARD UNIVERSITY) 
Algebraic and motive vector bundles 

October 06, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ana Caraiani (PRINCETON UNIVERSITY) 
On vanishing of torsion in the cohomology of Shimura varieties 

October 27, 2015, 3:00 PM at MIT E17128 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Matthew Woolf (HARVARD UNIVERSITY) 
Effective and Nef Divisors on Moduli Spaces of OneDimensional Sheaves on the Projective Plane 

September 24, 2013, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Curt McMullen (HARVARD UNIVERSITY) 
Cubic curves and Teichmuller theory 

November 17, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Yongbin Ruan (UNIVERSITY OF MICHIGAN) 
A mathematical theory of gauged linear sigma model (GLSM) 

September 29, 2015, 3:00 PM at MIT E17122 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Nathan Pflueger (HARVARD UNIVERSITY) 
BrillNoether theory in low codimension 

November 12, 2013, 3:00  4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Montserrat Teixidor I Bigas (TUFTS UNIVERSITY) 
Vector bundles with fixed determinant and sections 

October 01, 2013, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Bill Fulton (UNIVERSITY OF MICHIGAN) 
Degeneracy Loci with a Line Bundle 

March 07, 2017, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Rohini Ramadas (UNIVERSITY OF MICHIGAN) 
Hurwitz correspondences on compactifications of M0,N 

November 03, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
David Stapleton (STONY BROOK UNIVERSITY) 
Hilbert schemes of points on surfaces and their tautological bundles 

March 28, 2017, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Barbara Bolognese (NORTHEASTERN UNIVERSITY) 
TBA 

April 07, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Claudiu Raicu (UNIVERSITY OF NOTRE DAME) 
Cohomology of determinantal thickenings 

October 18, 2016, 3:00 pm at MIT 4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Tom Church (STANFORD UNIVERSITY) 
A survey of representation stability 

February 18, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alex Perry (COLUMBIA UNIVERSITY) 
Stability conditions and cubic fourfolds 

November 06, 2018, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Curtis McMullen (HARVARD UNIVERSITY) 
Billiards, quadrilaterals and moduli spaces 

April 03, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jose Gonzalez (YALE UNIVERSITY) 
The moduli space of stable npointed genus zero curves is not a Mori Dream Space when n is at least 13 

October 21, 2014, 4:00 PM at MIT E17122 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Brooke Ullery (HARVARD UNIVERSITY) 
Measures of irrationality for hypersurfaces of large degree 

September 13, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
David Hansen (COLUMBIA UNIVERSITY) 
Vanishing theorems in rigid analytic geometry 

October 24, 2017, 1:30  2:30 pm *note change in time at MIT 24449 *note change in location 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Gabriel Bujokas (HARVARD UNIVERSITY) 
Covers of an elliptic curve E and curves in ExP^1 

September 23, 2014, 4:00 PM at MIT E17122 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Tom Bachmann (MIT) 
Affine Grassmannians in motivic homotopy theory 

October 02, 2018, 3:00 pm at MIT 22142 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jim Bryan (UNIVERSITY OF BRITISH COLUMBIA) 
The DonaldsonThomas theory of K3xE and the Igusa cusp form 

November 24, 2014, 4:00 PM *New time* at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
June Huh (PRINCETON UNIVERSITY) 
Positive currents and algebraic cycles in permutohedral varieties 

May 05, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Aaron Bertram (UTAH) 
Stability for Regular Coherent Sheaves 

November 27, 2018, 3:00 pm at MIT 2142 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Matthew Morrow (CNRS) 
(Topological) Hochschild homology and and crystalline cohomology 

November 07, 2017, 3:00 PM at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Michael Kemeny (STANFORD UNIVERSITY) 
Betti numbers of the canonical ring of a curve 

March 06, 2018, 3:00 PM at MIT 4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
David Hyeon (SEOUL NATIONAL UNIVERSITY) 
Commuting nilpotents modulo simultaneous conjugation and Hilbert scheme 

February 21, 2017, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Zsolt Patakfalvi (PRINCETON UNIVERSITY) 
A generic vanishing theorem in positive characteristic 

April 08, 2014, 4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Aaron Bertram (UTAH) 
Stability Conditions and Polarized Moduli 

September 16, 2014, 3:30 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alex Isaev (MSI / AUSTRALIAN NATIONAL UNIVERSITY) 
Isolated hypersurface singularities and associated forms 

April 12, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Nick Rozenblyum (UNIVERSITY OF CHICAGO) 
Shifted symplectic structures and quantization 

October 31, 2017, 3:00 PM at MIT 4237 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dhruv Ranganathan (YALE UNIVERSITY) 
Nonarchimedean geometry, logarithmic structures, and spaces of curves in toric varieties 

February 16, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Junliang Shen (ETH ZURICH) 
Elliptic CalabiYau 3folds, Jacobi forms, and derived categories 

September 27, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jack Huizenga (UNIVERSITY OF ILLINOIS AT CHICAGO) 
Interpolation problems and the birational geometry of moduli spaces of sheaves 

October 14, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Anand Deopurkar (COLUMBIA UNIVERSITY) 
Syzygies, GIT, and the log MMP for Mg 

October 20, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Austin Conner (TEXAS A&M UNIVERSITY) 
New approaches to upper bounds on the complexity of matrix multiplication 

September 18, 2018, 3:00 pm at MIT 4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Klaus Hulek (LEIBNIZ UNIVERSITY HANNOVER) 
Stable cohomology of compactifications of Ag 

March 10, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
HĂ©lĂšne Esnault (FREIE UNIVERSITĂ€T BERLIN) 
Various aspects of Lefschetz theorems 

March 22, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dragos Oprea (UC SAN DIEGO) 
Generalized theta functions over abelian surfaces 

April 21, 2014, 4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Brendan Hassett (RICE UNIVERSITY) 
Families of fibrations of del Pezzo surfaces 

February 11, 2014, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Marc Hoyois (MIT) 
A1homotopical classification of principal Gbundles 

February 23, 2016, 3:00 PM at MIT 2131 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jonathan Wise (UNIVERSITY OF COLORADO, BOULDER) 
Compactifying the Abel map with logarithmic geometry 

April 19, 2016, 3:00 PM at MIT 2131 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Andrew Morrison (ETH ZURICH) 
On the motive class of the commuting variety 

May 06, 2014, 4:00  5:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Eric Larson (MIT) 
The Maximal Rank Conjecture 

April 10, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Nick Salter (HARVARD UNIVERSITY) 
Vanishing cycles for linear systems on toric surfaces 

February 27, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Tathagata Basak (IOWA STATE) 
A complex ball quotient and the monster 

March 20, 2018, 3:00 PM at MIT 4153 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Alina Marian (NORTHEASTERN UNIVERSITY) 
The Chern classes of the Verlinde bundles 

October 22, 2013, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Xinwen Zhu (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Towards a padic nonabelian Hodge Theory 

April 26, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Jesus MartinezGarcia (JOHNS HOPKINS) 
On the moduli space of cubic surfaces and their anticanonical divisors 

February 10, 2015, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Allen Knutson (CORNELL UNIVERSITY) 
Deformations of normal crossings 

March 27, 2018, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Bangere Purnaprajna (UNIVERSITY OF KANSAS) 
Geometry of surfaces of general type 

March 11, 2014, 4:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Ben Davison (ĂCOLE POLYTECHNIQUE FĂ©DĂ©RALE DE LAUSANNE) 
Beyond the Kontsevich Soibelman integrality conjecture 

March 29, 2016, 3:00 PM at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Chenyang Xu (INSTITUTE FOR ADVANCED STUDY) 
Maximal order pole of motivic Zeta function 

December 02, 2014, 4:00 PM at MIT E17122 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
David Jensen (YALE UNIVERSITY) 
Tropical BrillNoether Theory and the GiesekerPetri Theorem 

April 15, 2014, 3:00 PM **Corrected time** at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Brian Osserman (UC DAVIS) 
Limit linear series and the maximal rank conjecture 

March 21, 2017, 3:00 pm at Science Center 507 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Dhruv Ranganathan (MIT) 
Curves, maps, and singularities in genus one 

November 21, 2017, 3:00 PM at Science Center Hall A 
HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR 
Francois Greer (UNIVERSITY OF NOTRE DAME) 
NoetherLefschetz Theory and Elliptic CalabiYau Threefolds 

November 08, 2016, 3:00 PM at Science Center 507 
HARVARDMIT COMBINATORICS SEMINAR 
Bernd Sturmfels (MPI LEIPZIG AND UC BERKELEY) 
Moment varieties of measures on polytopes 

October 24, 2018, 4:15  5:15 pm at Science Center Hall E 
HARVARDMIT COMBINATORICS SEMINAR 
Bruno Benedetti (UNIVERSITY OF MIAMI) 
Local constructions of manifolds 

October 19, 2018, 4:15  5:15 pm at MIT 2147 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Carlos Simpson (UNIVERSITE DE NICE) 
Calculating harmonic maps to buildingsa 2dimensional combinatorial reduction calculus 

November 17, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall C 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Tom Church (STANFORD UNIVERSITY) 
Asymptotic representation theory over Z 

April 13, 2017, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Matthew Kahle (OHIO STATE UNIVERSITY) 
Recent Progress in stochastic topology 

February 19, 2015, 4:30 PM at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Lauren Williams (UC BERKELEY) 
The positive Grassmannian 

May 08, 2014, 4:30 PM at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Kenji Fukaya (SIMONS CENTER FOR GEOMETRY & PHYSICS, STONY BROOK UNIVERSITY) 
SO(3) Floer homology with 3 manifold with boundary 

October 08, 2015, 4:30 pm ; Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Alex Eskin (UNIVERSITY OF CHICAGO) 
Polygonal Billiards and Dynamics on Moduli Spaces 

April 21, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall E 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Laure SaintRaymond (ENS PARIS / HARVARD) 
From Newton's dynamics to the heat equation 

February 05, 2015, 4:30 PM at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Danny Calegari (UNIVERSITY OF CHICAGO) 
Roots, Schottky semigroups, and a proof of Bandt's Conjecture 

October 09, 2014, 4:30 PM at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Sucharit Sarkar (PRINCETON UNIVERSITY) 
Jones polynomial, Khovanov homology, and beyond 

November 14, 2013, 4:30 PM at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Melanie Matchett Wood (UNIVERSITY OF WISCONSIN, MADISON) 
Random groups in number theory and random integral matrices 

February 26, 2015, 4:30 PM at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Ziv Ran (UC RIVERSIDE) 
Generic Projections 

September 15, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Tom Goodwillie (BROWN UNIVERSITY) 
Characteristic classes for bundles of manifolds 

November 05, 2015, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
HARVARD, BRANDEIS, MIT, NORTHEASTERN JOINT COLLOQUIUM AT HARVARD 
Wei Ho (UNIVERSITY OF MICHIGAN) 
Ranks of elliptic curves: heuristics, theorems, and data (revisited!) 

March 03, 2016, Tea at 4:00 PM, the Austine & Chilton McDonnell Common Room, Science Center 4th Floor, Talk at 4:30 pm at Science Center Hall A 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Yaim Cooper (HARVARD UNIVERSITY) 
A Fock Space Approach to Severi Degrees 

April 25, 2017, 3:00 pm at Science Center 507 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Daniel Litt (COLUMBIA UNIVERSITY) 
Arithmetic Restrictions on Geometric Monodromy 

February 28, 2017, 3:00 pm at MIT 4153 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (NORTHWESTERN UNIVERSITY) 
Families of varieties and Hodge theory 

April 10, 2017, 12:00 pm **Special Talk** at MIT 2361 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Angelo Vistoli (SCUOLA NORMALE) 
Motive classes of classifying spaces 

April 18, 2017, 3:00 pm at Science Center 507 
HARVARD MIT ALGEBRAIC GEOMETRY SEMINAR 
Mihnea Popa (NORTHWESTERN UNIVERSITY) 
Hodge ideals 

April 11, 2017, 3:00 pm at MIT 4153 
HARVARD MATHEMATICS AND PHILOSOPHY LOGIC SEMINAR 
Alexander S. Kechris (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
Topological dynamics and ergodic theory of automorphism of groups of countable structures 

November 18, 2013, 5:30  6:30 PM at Science Center 507 
HARVARD MATHEMATICS AND PHILOSOPHY LOGIC COLLOQUIUM 
Rahim Moosa (UNIVERSITY OF WATERLOO) 
The Canonical Base Property and the Zilber Dichotomy Revisited 

October 08, 2013, 4:30  5:30 PM at Science Center 507 
HARVARD MATHEMATICAL PHYSICS SEMINAR 
Zhengwei Liu (HARVARD UNIVERSITY) 
A New Diagrammatic Approach to Quantum Informationthe four string model 

September 27, 2016, 2:45 pm at Jefferson 453 
HARVARD MATH & PHILOSOPHY LOGIC COLLOQUIUM 
Grigor Sargsyan (RUTGERS UNIVERSITY) 
Covering, core model induction and hod mice 

February 19, 2014, 4:00  5:30 PM at 2 Arrow Street, Room #420 
HARVARD MATH & PHILOSOPHY LOGIC COLLOQUIUM 
Ilijas Farah (YORK UNIVERSITY) 
Logic and operator algebras 

April 16, 2014, 4:00 PM at HU Logic Center  2 Arrow Street, Room #420 
HARVARD LOGIC SEMINAR 
John Baldwin (UNIVERSITY OF ILLINOIS AT CHICAGO) 
The divorce of set theory and first order model theory 

February 24, 2016, 4:00  6:00 PM at 2 Arrow Street, Room #420 
HARVARD LOGIC SEMINAR 
Gil Sagi (LUDWIGMAXIMILIANS UNIVERSITY, MUNICH) 
What is a Fixed Term? 

September 24, 2014, 4:30 PM at Logic Center, 2 Arrow St, Rm 408 
HARVARD LOGIC SEMINAR 
Ilijas Farah (YORK UNIVERSITY) 
Set theory and representations of C*algebras 

February 03, 2016, 4:00  6:00 PM at 2 Arrow Street, Room #420 
HARVARD LOGIC SEMINAR 
Will Boney (UNIVERSITY OF ILLINOIS AT CHICAGO) 
Tameness in Abstract Elementary Classes 

February 23, 2015, 4:30  5:30 PM at Logic Center, 2 Arrow St, Rm 420 
HARVARD LOGIC COLLOQUIUM 
Aki Kanamori (BOSTON UNIVERSITY) 
AspectPerception and the History of Mathematics 

January 25, 2018, 4:005:00 PM at Logic Center, Room 420, 2 Arrow St 
HARVARD LOGIC COLLOQUIUM 
Victoria Gitman (CUNY GRADUATE CENTER) 
Virtual Large Cardinal Principles 

November 08, 2017, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
HARVARD LOGIC COLLOQUIUM 
Donald Martin (UCLA) 
Cantor's Grundlagen 

March 22, 2018, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
HARVARD LOGIC COLLOQUIUM 
Boris Zilber (UNIVERSITY OF OXFORD) 
Between Model Theory and Physics 

April 12, 2018, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
HARVARD LOGIC COLLOQUIUM 
Dima Sinapova (UNIVERSITY OF ILLINOIS AT CHICAGO) 
Stronger tree properties and the SCH 

March 08, 2018, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
HARVARD LOGIC COLLOQUIUM 
Alekos Kechris (CALTECH) 
Borel equivalence relations, cardinal algebras, and structurability 

April 19, 2018, 4:00 â" 5:00 PM at Logic Center, Room 420, 2 Arrow Street 
HARVARD LOGIC COLLOQUIUM 
Paul Larson (MIAMI UNIVERSITY) 
Forcing axioms in âmax extensions 

March 12, 2014, 4:00  5:00 PM at 2 Arrow Street, Room #420 
HARVARD LOGIC COLLOQUIUM 
Steve Jackson (UNIVERSITY OF NORTH TEXAS) 
Combinatorics of Definable Sets 

November 15, 2017, 4:00  5:00 pm at Logic Center, 2 Arrow St, Rm 420 
HARVARD LOGIC COLLOQUIUM 
Joan Bagaria (UNIVERSITAT DE BARCELONA) 
Reflection phenomena in the settheoretic universe 

October 29, 2014, 4:30  5:30 PM at Logic Center, 2 Arrow St, Rm 408 
GEOMETRIC ANALYSIS SEMINAR 
Xuqian Fan (JINAN UNIVERSITY) 
The Steklov eigenvalues on annuli 

September 29, 2015, 10:00 AM at Science Center 232 
GEOMETRIC ANALYSIS 
Albert Chau (UNIVERSITY OF BRITISH COLUMBIA) 
Survey on Kahler Ricci flow on nonnegatively curved noncompact mainfolds 

March 08, 2016, 9:50  10:50 am at CMSA Building, 20 Garden St, G10 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
Raphael Zentner (REGENSBURG) 
Irreducible SL(2,C)representations of homology3spheres 

December 07, 2018, 3:30 pm at Science Center 507 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
Michael Hutchings (UC BERKELEY) 
Equivariant symplectic capacities 

October 26, 2018, 3:30 pm at Science Center 507 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
John Pardon (PRINCETON UNIVERSITY) 
Structural results in wrapped Floer theory 

November 30, 2018, 3:30 pm at Science Center 507 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
Anar Akhmedov (UNIVERSITY OF MINNESOTA AND HARVARD UNIVERSITY) 
Construction of symplectic 4manifolds and Lefschetz fibrations via Luttinger surgery 

October 05, 2018, 3:30 pm at Science Center 507 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
Aleksander Doan (STONY BROOK UNIVERSITY) 
Harmonic Z/2 spinors and wallcrossing in SeibergWitten theory 

October 19, 2018, 3:30 pm at Science Center 507 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
Mohammed Abouzaid (COLUMBIA UNIVERSITY) 
A formalism for Floer theory with coefficients 

November 09, 2018, 3:30 pm at Science Center 507 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
Laure Flapan (NORTHEASTERN UNIVERSITY) 
Monodromy of Kodaira fibrations 

November 02, 2018, 3:30 pm at Science Center 507 
GAUGETOPOLOGYSYMPLECTIC SEMINAR 
Paul Feehan (RUTGERS UNIVERSITY) 
Lojasiewicz inequalities and MorseBott functions 

October 12, 2018, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Tara Holm (CORNELL UNIVERSITY) 
The Topology of Toric Origami Manifolds 

April 03, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Eli Grigsby (BOSTON COLLEGE) 
Annular KhovanovLee homology, Braids, and Cobordisms 

September 16, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Dan Pomerleano (IMPERIAL COLLEGE) 
Symplectic cohomology in the topological limit 

April 10, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Yanir Rubinstein (UNIVERSITY OF MARYLAND) 
The degenerate special Lagrangian equation 

May 01, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Mark McLean (STONY BROOK) 
Minimal Log Discrepancy of Isolated Singularities and Reeb Orbitis 

November 07, 2014, 3:30PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Felix Schlenk (NEUCHATEL) 
Complexity of Reeb flows via Floer homology 

April 15, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Daniel CristofaroGardiner (HARVARD UNIVERSITY) 
Symplectic embeddings and the Fibonacci numbers 

September 09, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Paul Feehan (RUTGERS UNIVERSITY) 
The LojasiewiczSimon gradient inequality and applications to energy discreteness and gradient flows in gauge theory 

September 23, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Vladimir Chernov (DARTMOUTH UNIVERSITY) 
Minimizing intersection points of loops on a surface and the AndersenMattesReshetikhin Poisson bracket. (based on a joint work with Patricia Cahn) 

September 30, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Tom Mark (UNIVERSITY OF VIRGINIA) 
Tight contact structures on positive surgeries 

November 14, 2014, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Peter Kronheimer (HARVARD UNIVERSITY) 
The fourcolor theorem and spatial graphs 

September 25, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY, AND SYMPLECTIC GEOMETRY SEMINAR 
Michael Hutchings (UC BERKELEY) 
Beyond ECH capacities 

November 20, 2014, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Brendan McLellan (HARVARD UNIVERSITY) 
Some 1loop results in contact ChernSimons theory 

December 02, 2016, 3:30  4:30 pm at Science Center 507 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Alvaro Pelayo (UC SAN DIEGO) 
Introduction to symplectic and spectral geometry of finite dimensional integrable systems 

April 14, 2017, 3:30  4:30 pm at Science Center 507 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Alexandra Kjuchukova (UNIVERSITY OF PENNSYLVANIA) 
On the classification of branched covers of fourmanifolds 

February 20, 2015, 3:30  4:30 pm at Science Center 507 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Daniel CristofaroGardiner (HARVARD UNIVERSITY) 
Two or infinity 

May 05, 2017, 3:30  4:30 pm at Science Center 507 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Stefan Mueller (GEORGIA SOUTHERN) 
C^0characterization and rigidity of symplectic and Lagrangian 

February 17, 2017, 3:30  4:30 pm at Science Center 507 
GAUGE THEORY, TOPOLOGY AND SYMPLECTIC GEOMETRY SEMINAR 
Jonathan Weitsman (NORTHWESTERN UNIVERSITY) 
On the geometric quantization of (some) Poisson manifolds 

April 21, 2017, 3:30  4:30 pm at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
R. Inanc Baykur (UNIVERSITY OF MASSACHUSETTS AMHERST) 
Multisections of Lefschetz fibrations and topology of symplectic 4manifolds 

January 30, 2015, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Cheuk Yu Mak (MINNESOTA) 
Divisorial caps, uniruled caps and CalabiYau caps 

October 16, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Elisenda Grigsby (BOSTON COLLEGE) 
(Sutured) Khovanov homology and representation theory 

February 06, 2015, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Dan Freed (UNIVERSITY OF TEXAS  AUSTIN) 
ChernWeil forms and abstract homotopy theory 

October 17, 2014, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Piotr Suwara (MIT) 
The Category of Perverse Sheaves is a Stack 

October 20, 2017, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Laura Starkston (UNIVERSITY OF TEXAS  AUSTIN) 
Symplectic fillings of Seifert fibered spaces 

March 06, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Tristan Collins (HARVARD UNIVERSITY) 
A tour of SasakianEinstein geometry 

October 10, 2014, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Daniel HalpernLeistner (COLUMBIA UNIVERSITY) 
Morselike stratifications of moduli problems in algebraic geometry 

February 27, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Boyu Zhang (HARVARD UNIVERSITY) 
Derived category of sheaves and the six functors 

September 22, 2017, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Nikhil Savale (NOTRE DAME) 
Koszul complexes, Birkhoff normal form and the magnetic Dirac operator 

March 11, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Richard Schwartz (BROWN UNIVERSITY) 
The plaid model and outer billiards 

September 11, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jianfeng Lin (MIT) 
Constructible sheaves and nearby cycles 

October 06, 2017, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Caitlin Leverson (DUKE UNIVERSITY) 
Legendrian link invariants 

November 13, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Chris Wendl (UNIVERSITY COLLEGE LONDON) 
Tight contact structures on connected sums need not be contact connected sums 

October 02, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jingyu Zhao (COLUMBIA UNIVERSITY) 
Periodic Symplectic Cohomologies 

March 13, 2015, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Thomas Walpuski (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
A proposal for U(1)â"gauge theory on G_2â"manifolds 

November 06, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Danny Ruberman (BRANDEIS UNIVERSITY) 
Absolutely exotic 4manifolds 

April 17, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Mohammed Abouzaid (COLUMBIA UNIVERSITY) 
Nearby Lagrangians are simply homotopic 

October 23, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jo Nelson (COLUMBIA/IAS) 
An integral lift of contact homology 

February 19, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Boyu Zhang (HARVARD UNIVERSITY) 
Flat SL_2(C) connections and complex Lagrangian intersections 

September 15, 2017, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Ana Rita Pires (FORDHAM UNIVERSITY) 
Symplectic embeddings and infinite staircases 

April 01, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Emmy Murphy (MIT) 
Existence of overtwisted contact structures on high dimensional manifolds 

September 19, 2014, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Joanna Nelson (COLUMBIA/IAS) 
Cylindrical contact homology in dimension 3 via intersection theory and more 

September 26, 2014, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jiangfeng Lin (MIT) 
Nearby cycles and vanishing cycles 

October 13, 2017, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Kevin Sackel (MIT) 
Perverse sheaves from complex Lagrangian intersections 

November 03, 2017, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Piotr Suwara (MIT) 
The Category of Perverse Sheaves is a Stack, cont'd 

October 27, 2017, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Boyu Zhang (HARVARD UNIVERSITY) 
Orientation and duality 

September 29, 2017, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Nate Bottman (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Singular quilts and a proposed Ainfinity 2category 

October 31, 2014, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Luis Haug (MIT) 
Lagrangian antisurgery and cobordisms 

April 08, 2016, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Sobhan Seyfaddini (MIT) 
The displaced disks problem via symplectic topology 

October 03, 2014, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Cagatay Kutluhan (SUNY AT BUFFALO) 
A Heegaard Floer analogue of algebraic torsion 

March 27, 2015, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
ShengFu Chiu (NORTHWESTERN UNIVERSITY) 
Contact nonsqueezability and Microlocal category 

October 24, 2014, 3:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Jianfeng Lin (UCLA) 
The unfolded SeibergWittenFloer spectrum and its applications 

September 18, 2015, 3:00  4:00 PM **Special time** at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY SEMINAR 
Siqi He (CALIFORNIA INSTITUTE OF TECHNOLOGY) 
The extended Bogomolny Equations, Generalized Nahm Pole, and SL(2,R) Higgs bundle 

November 10, 2017, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY, TOPOLOGY & SYMPLECTIC GEOMETRY 
Richard Hind (NOTRE DAME) 
Embeddings of Lagrangian tori 

October 30, 2015, 3:30 PM at Science Center 507 
GAUGE THEORY AND TOPOLOGY SEMINAR 
Steven Sivek (PRINCETON UNIVERSITY) 
Sutured embedded contact homology is an invariant 

January 31, 2014, 3:30pm at Science Center 507 
GAUGE THEORY AND SYMPLECTIC GEOMETRY SEMINAR 
Colin Adams (WILLIAMS COLLEGE) 
Volume and volume density for hyperbolic knots and links 

October 21, 2016, 3:30  4:30 pm at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Christopher Woodward (RUTGERS UNIVERSITY) 
Floer theory and minimal model transitions 

April 18, 2014, 3:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
SiuCheong Lau (HARVARD UNIVERSITY) 
Cayley Graph and Mirror Symmetry 

October 04, 2013, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
John Baldwin (BOSTON COLLEGE) 
The monopole category and invariants of bordered 3manifolds II 

November 08, 2013, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Cliff Taubes (HARVARD UNIVERSITY) 
Extensions of Uhlenbeck's compactness theorem for SL(2;C) connections in dimensions 3 and 4 

October 18, 2013, 3:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Goncalo Oliveira (IMPERIAL COLLEGE) 
Monopoles in Higher Dimensions 

September 27, 2013, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Mohammed Abouzaid (COLUMBIA UNIVERSITY) 
Formality and Symplectic Khovanov Homology 

March 14, 2014, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Adam Jacob (HARVARD UNIVERSITY) 
Flat bundles, harmonic metrics and singular affine structures 

March 28, 2014, 3:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Daniel Ruberman (BRANDEIS UNIVERSITY) 
Embeddings of nonorientable surfaces in M x I 

September 20, 2013, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Robert Lipshitz (COLUMBIA UNIVERSITY) 
Hochschild localization and bordered Heegaard Floer homology 

April 25, 2014, 3:30 PM at Science Center 309 
GAUGE THEORY & TOPOLOGY SEMINAR 
Josh Greene (BOSTON COLLEGE) 
Conway mutation and alternating links 

April 11, 2014, 3:30 PM at Sci Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Hiro Tanaka (HARVARD UNIVERSITY) 
Lagrangian Cobordisms, Partially Wrapped Fukaya Categories, and a Functor Between Them 

September 13, 2013, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Jon Bloom (MIT) 
The monopole category and invariants of bordered 3manifolds I 

November 08, 2013, 2:15  3:15 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Peter Ozsvath (PRINCETON UNIVERSITY) 
Bordered Floer homology and threemanifolds with torus boundary 

December 06, 2013, 3:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Eli Grigsby (BOSTON COLLEGE) 
Braids and sutured annular Khovanov homology 

November 15, 2013, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Jen Hom (COLUMBIA UNIVERSITY) 
An infinite rank summand of topologically slice knots 

February 21, 2014, 3:30  4:30 PM at Science Center 507 
GAUGE THEORY & TOPOLOGY SEMINAR 
Ke Zhu (HARVARD UNIVERSITY) 
Isometric embedding of Riemannian manifolds via the heat kernel 

October 25, 2013, 3:30  4:30 PM at Science Center 507 
GAUGE  TOPOLOGY  SYMPLECTIC SEMINAR 
Denis Auroux (HARVARD UNIVERSITY) 
An invitation to homological mirror symmetry 

September 14, 2018, 3:30 pm at Science Center 507 
GAUGE  TOPOLOGY  SYMPLECTIC SEMINAR 
Weiyi Zhang (UNIVERSITY OF WARWICK) 
From smooth to almost complex 

September 21, 2018, 3:30 pm at Science Center 507 
FRIENDS OF THE MATHEMATICS DEPARTMENT AFTERNOON LECTURE 
Barry Mazur, speaking from the MSRI in Berkeley (HARVARD UNIVERSITY) 
PRIMES  based on the book coauthored with William Stein 

April 25, 2014, 2:00 PM at Science Center 507 
FRIENDS OF THE MATHEMATICS DEPARTMENT AFTERNOON LECTURE 
Martin Nowak (HARVARD UNIVERSITY) 
Evolutionary Dynamics and Treatment of Cancer 

April 25, 2014, 3:00 PM at Science Center 507 
EVOLUTION EQUATIONS SEMINAR 
Long Jin (CENTER OF MATHEMATICAL SCIENCES & APPLICATIONS) 
Scattering Resonances for Convex Obstacles 

September 01, 2015, 10:00 AM at Science Center 232 
EVOLUTION EQUATIONS SEMINAR 
Zouqiang Shi (TSINGHUA UNIVERSITY) 
Low dimensional manifold model for image processing 

February 18, 2016, 9:50  10:50 am at CMSA Building, 20 Garden St, G02 
DIFFERENTIAL GEOMETRY SEMINAR 
Song Sun (STONY BROOK) 
Singularities of KahlerEinstein metrics and algebraic stability 

October 06, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Gang Liu (NORTHWESTERN) 
Recent progress of Yau's uniformization conjecture 

October 17, 2017, 4:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jian Xiao (NORTHWESTERN UNIVERSITY) 
Positivity in the convergence of the inverse $\sigma_k$ flow 

October 18, 2016, 3:00  4:00 PM *Special Time* at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
SiuCheong Lau (HARVARD UNIVERSITY) 
A constructive approach to homological mirror symmetry 

February 17, 2015, 4:15  5:30 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Siyuan Lu (RUTGERS UNIVERSITY) 
On a localized Riemannian Penrose inequality 

November 13, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Thomas Walpuski (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
G2â"instantons over twisted connected sums 

October 27, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Paul Seidel (MIT) 
Steenrod squares and symplectic fixed points 

October 07, 2014, 5:15 PM *note change in time at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Washington Taylor (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Classifying elliptic CalabiYau threefolds and fourfolds, and MordellWeil groups from the physics of Ftheory 

March 31, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Degenerations and collapsing of Ricciflat CalabiYau manifolds 

February 10, 2015, 4:15  5:30 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Binglong Chen (SUN YATSEN UNIVERSITY) 
On the local regularity of Einstein spacetimes 

November 03, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Sebastien Picard (COLUMBIA UNIVERSITY) 
Geometric Flows and Strominger systems 

November 15, 2016, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
ChiuChu Melissa Liu (COLUMBIA UNIVERSITY) 
GW theory, FJRW theory, and MSP fields 

April 04, 2017, 4:15 pm *change in time this week* at Science Center 507 *change in location this week* 
DIFFERENTIAL GEOMETRY SEMINAR 
Alexander Logunov (ST. PETERSBURG & TELAVIV) 
Zero set of a nonconstant harmonic function in R^3 has infinite surface areaÂ 

October 04, 2016, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Dan Mangoubi (HEWBREW UNIVERSITY OF JERUSALEM) 
Harmonic functions sharing the same zero set 

February 07, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Hossein Movasati (IMPA) 
A kind of modular form theory for CalabiYau varieties 

September 24, 2013, 1:30  3:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Bong Lian (BRANDEIS UNIVERSITY) 
Large complex structure limits of CalabiYau manifolds 

December 01, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Julius Ross (UNIVERSITY OF ILLINOIS AT CHICAGO) 
The MongeAmpere Equation and the HeleShaw flow 

November 07, 2017, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
TamĂĄs Darvas (UNIVERSITY OF MARYLAND) 
Complex MongeAmpere equations with prescribed singularity 

March 20, 2018, 3:45 pm **change in time** at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Luca Spolaor (MIT) 
Optimal regularity for three dimensional mass minimizing cones in arbitrary codimension 

April 11, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Adrian Zahariuc (HARVARD UNIVERSITY) 
Specialization of Quintic Threefolds to the Chordal Variety 

October 13, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jiaping Wang (MINNESOTA) 
Structure at infinity for four dimensional shrinking Ricci Solitons 

April 24, 2018, 2:00  3:00 PM at Science Center 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Peter Smillie (HARVARD UNIVERSITY) 
Weingarten foliations of three dimensional Lorentzian spaceforms 

September 19, 2017, 4:00  5:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Sebastien Picard (HARVARD UNIVERSITY) 
Anomaly Flows and CalabiYau Manifolds with Torsion 

October 30, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Baosen Wu (HARVARD UNIVERSITY) 
A construction of stable bundles and reflexive sheaves on CalabiYau threefolds 

October 14, 2014, 4:00 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Nick Edelen (MIT) 
Quantitative Reifenberg for Measures 

February 28, 2017, 3:15 PM at CMSA Building, 20 Garden St, G10 
DIFFERENTIAL GEOMETRY SEMINAR 
Yong Lin (RENMIN UNIVERSITY) 
Heat kernel estimate and solution of semi linear heat equations on graphs 

January 24, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Mattias Jonsson (UNIVERSITY OF MICHIGAN) 
A variational approach to the YauTianDonaldson conjecture 

December 06, 2016, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Semyon Alesker (TEL AVIV UNIVERSITY) 
Quaternionic MongeAmpere equations on HKT manifolds 

October 09, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Steve Rosenberg (BOSTON UNIVERSITY) 
Diffeomorphism groups of Sasakian manifolds 

April 21, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Gabor Lippner (NORTHEASTERN UNIVERSITY) 
Sharp convexity estimates for harmonic functions on the lattice, via absolute monotonicity 

September 29, 2015, **2  3 pm** Special Time at Science Center 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Robert Haslhofer (UNIVERSITY OF TORONTO) 
The moduli space of 2convex embedded spheres 

November 01, 2016, 3:00  4:00 PM *Special Time* at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Lydia Bieri (UNIVERSITY OF MICHIGAN) 
The Shape of the Universe 

February 16, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Semyon Dyatlov (MIT) 
Resonances in general relativity 

October 28, 2014, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Yi Zhang (HARVARD UNIVERSITY) 
Hyperbolic problems forÂ families of algebraic manifolds 

March 29, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Beomjun Choi (COLUMBIA UNIVERSITY) 
Evolution of NonCompact Hypersurface By Inverse Mean Curvature 

December 04, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Tristan Collins (HARVARD UNIVERSITY) 
The boundary of the Kahler cone 

October 21, 2014, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
HsianHua Tseng (OHIO STATE UNIVERSITY) 
Virasoro beyond semisimple cases 

April 28, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Pengfei Guan (MCGILL UNIVERSITY) 
Interior curvature estimates for immersed hypersurfaces in R^{n+1} 

November 06, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Yu Qiu (CHINESE UNIVERSITY OF HONG KONG) 
Stability conditions for quivers via exchange graphs 

January 31, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Bong Lian (BRANDEIS UNIVERSITY) 
Some applications of period integrals 

April 14, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Estimates for collapsing CalabiYau metrics 

January 30, 2018, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
PeiKen Hung (MIT) 
The smoothing time of convex inverse mean curvature flows 

September 25, 2018, 4:00  5:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Bill Goldman (BROWN UNIVERSITY AND UNIVERSITY OF MARYLAND) 
Dynamics on moduli spaces of flat connections 

October 31, 2017, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
William Minicozzi (MIT) 
Dynamics near singularities in mean curvature flow 

September 18, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Special Kahler geometry and collapsing 

October 03, 2017, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Damin Wu (UNIVERSITY OF CONNECTICUT) 
On negatively pinched complete Kahler manifold 

February 23, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Daniel CristofaroGardiner (HARVARD UNIVERSITY) 
Symplectic embeddings and lattice point enumeration 

March 10, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Vaughan Jones (VANDERBILT UNIVERSITY) 
A stroll around the subfactor zoo 

November 19, 2018, 2:00 pm at CMSA Building, 20 Garden St, G10 **note change in day and location** 
DIFFERENTIAL GEOMETRY SEMINAR 
Mark Stern (DUKE UNIVERSITY) 
Instantons on ALF spaces 

October 11, 2016, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Baris Coskunuzer (MIT & KOC UNIVERSITY) 
Minimal Surfaces with Arbitrary Topology in H^2xR 

March 03, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Juergen Jost (MAX PLANCK INSTITUTE) 
Super Riemann surfaces, metrics, and the gravitino 

February 24, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Yevgeniy Liokumovich (MIT) 
Heegaard splittings isotopic to an index 1 minimal surface 

October 24, 2017, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Michele Del Zotto (HARVARD UNIVERSITY) 
Periodicity of the Kontsevich Soibelman operator, singularity theory, and cyclic subgroups of the Cremona groups Cr(n) 

April 01, 2014, 1:30  2:30 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
George Daskalopoulos (BROWN UNIVERSITY) 
Rigidities of Teichmueller spaceÂ 

February 03, 2015, 4:15  5:30 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Zhengcheng Gu (PERIMETER INSTITUTE) 
Topological Quantum Field Theory approach for Bosonic SymmetryProtectedTopological Phases with Abelian Symmetry in Three Dimensions 

September 01, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Netanel RubinBlaier (CMSA, HARVARD) 
The Kontsevich compactification, AbelJacobi maps, and symplectomorphism of algebraic varieties 

May 01, 2018, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Bin Guo (COLUMBIA UNIVERSITY) 
Geometric estimates for complex MongeAmpere equations 

November 27, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Mark Stern (DUKE UNIVERSITY) 
Monotonicity and Betti Number Bounds 

October 23, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Lino Amorim (KANSAS STATE) 
Mirror symmetry for an orbifold sphere 

December 11, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jordan Keller (HARVARD BLACK HOLE INITIATIVE) 
Linear Stability of Higher Dimensional Schwarzschild Black Holes 

September 12, 2017, 4:00  5:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
YuShen Lin (COLUMBIA UNIVERSITY) 
Tropical/Holomorphic Correspondence for HyperK\ 

February 28, 2018, 4:15 PM at Science Center 232 
DIFFERENTIAL GEOMETRY SEMINAR 
Michael Anderson (STONY BROOK) 
Boundary value problems for Einstein metrics and a conjecture of Bartnik 

October 20, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Boris Hanin (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
Nodal Sets of Random Eigenfunctions of the Harmonic Oscillator 

November 10, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Ilarion Melnikov (TEXAS A & M UNIVERSITY) 
A (0,2) overview 

April 08, 2014, 1:30  2:30 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Claude LeBrun (STONY BROOK) 
Mass in KĂ€hler Geometry 

September 15, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
Nested Hilbert schemes and DT theory of local threefolds 

February 14, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
John Toth (MCGILL UNIVERSITY) 
Nodal Length of Steklov Eigenfunctions on RealAnalytic Riemannian Surfaces 

April 05, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Xin Zhou (MIT) 
Shape of the minmax minimal hypersurface in manifold of positive Ricci curvature in all dimensions 

December 02, 2014, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Larry Guth (MIT) 
Homotopical effects of kdilation 

November 04, 2014, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jonathan Zhu (HARVARD UNIVERSITY) 
Entropy and selfshrinkers of the mean curvature flow 

October 25, 2016, 3:00  4:00 pm *special time at CMSA Building, 20 Garden St, G10 *different location 
DIFFERENTIAL GEOMETRY SEMINAR 
Laura Schaposnik (UNIVERSITY OF ILLINOIS AT URBANACHAMPAIGN) 
Higgs bundles, spectral data, and applications 

March 24, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Igor Wigman (KING'S COLLEGE LONDON) 
On the number of nodal domains of toral eigenfunctions 

April 12, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Christoph Keller (RUTGERS UNIVERSITY) 
Conformal Field Theories, Modular Forms and Geometry 

November 15, 2013, 1:30  2:30 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Linyuan Lu (UNIVERSITY OF SOUTH CAROLINA) 
Ricciflat graphs with girth at leave five 

February 06, 2018, 4:30 PM at Science Center 530 
DIFFERENTIAL GEOMETRY SEMINAR 
Aruna Kesavan (PENN STATE/CMSA) 
Asymptotic structure of spacetime with a positive cosmological constant 

September 13, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Teng Fei (COLUMBIA UNIVERSITY) 
cscK metrics and the coupled flow of LiYuanZhang 

October 16, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
TianJun Li (UNIVERSITY OF MINNESOTA) 
Symplectic divisor compactifications in dimension 4 

September 27, 2016, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jordan Keller (COLUMBIA UNIVERSITY) 
Linear stability of Schwarzschild spacetime 

March 28, 2017, 3:00  4:00 PM at CMSA Building, 20 Garden St, G02 
DIFFERENTIAL GEOMETRY SEMINAR 
Hansol Hong (CMSA & BRANDEIS UNIVERSITY) 
Mirror construction via Lagrangian deformation 

October 02, 2018, 4:00 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
William Meeks (UMASS AMHERST) 
Embedded spheres in homogeneous 3manifolds 

February 02, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Alina Marian (NORTHEASTERN UNIVERSITY) 
Verlinde sheaves and tautological classes on the moduli space of K3 surfaces 

November 18, 2014, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Herman Gluck (UNIVERSITY OF PENNYSLVANIA) 
Germs of fibrations of spheres by great circles always extend to the whole sphere 

March 08, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Thomas Walpuski (MASSACHUSETTS INSTITUTE OF TECHNOLOGY) 
G2instantons, associative submanifolds and generalized SeibergWitten equations 

April 07, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Yong Lin (RENMIN UNIVERSITY OF CHINA) 
Some PDE's on graphs 

March 01, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
SiuCheong Lau (BOSTON UNIVERSITY) 
Moduli theory of Lagrangian immersions and mirror symmetry 

November 21, 2017, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Dmitry Jakobson (MCGILL UNIVERSITY) 
Nodal Sets in Conformal Geometry 

April 19, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Conan Leung (IMS/THE CHINESE UNIVERSITY OF HONG KONG) 
DonaldThomas invariants for CalabiYau fourfolds 

January 26, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Hiro Lee Tanaka (HARVARD UNIVERSITY) 
Lagrangian Cobordisms and Fukaya Categories 

September 23, 2014, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Eveline Legendre (INSTITUT DE MATHĂ©MATIQUES DE TOULOUSE, UNIVERSITĂ© PAUL SABATIER) 
An application of the equivariant localization formula in Sasaki geometry 

December 06, 2017, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Nicolaos Kapouleas (BROWN UNIVERSITY) 
Gluing constructions for minimal surfaes and other geometric objects 

November 08, 2016, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Valentino Tosatti (NORTHWESTERN UNIVERSITY) 
Degenerations and collapsing of Ricciflat CalabiYau manifolds 

May 05, 2015, 1:30 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Ricardo Couso Santamaria (UNIVERSITY OF SANTIAGO DE COMPOSTELA) 
Resurgent transseries and the holomorphic anomaly 

October 29, 2013, 1:30 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Jonathan Weitsman (NORTHEASTERN UNIVERSITY) 
Quantization of bsymplectic manifolds 

February 09, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Fangyang Zheng (OHIO STATE UNIVERSITY) 
On compact Kahler manifolds with positive or negative holomorphic sectional curvature 

April 18, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Georgios Daskalopoulos (BROWN UNIVERSITY) 
Rigidity of Group Actions in General NPC Spaces 

April 25, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Hossein Movasati (IMPA) 
Why should one compute the periods of algebraic cycles? 

September 08, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Albert Chau (UNIVERSITY OF BRITISH COLUMBIA) 
An existence time estimate for Kahler Ricci flow and applications 

March 22, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Teng Fei (COLUMBIA UNIVERSITY) 
A construction of infinitely many solutions to the Strominger system 

March 07, 2017, 4:15 pm at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Xin Zhou (MIT) 
Minmax theory in Gaussian space and Entropy Conjecture 

November 17, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Gabor Szekelyhidi (UNIVERSITY OF NOTRE DAME) 
New CalabiYau metrics on C^n 

November 28, 2017, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Gao Chen (STONY BROOK) 
Classification of gravitational instantons 

September 20, 2016, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
GĂĄbor SzĂ©kelyhidi (UNIVERSITY OF NOTRE DAME) 
KahlerEinstein metrics along the smooth continuity method 

May 05, 2015, 4:15 PM at Science Center 507 
DIFFERENTIAL GEOMETRY SEMINAR 
Alex Waldron (SIMONS CENTER AT STONY BROOK) 
Longtime existence for YangMills flow 

February 21, 2017, 3:15  4:15 PM at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Dominic Williamson (YALE UNIVERSITY) 
Symmetry and topological order in tensor networks 

October 29, 2018, 10:00 am at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
XiaoGang Wen (MIT) 
A classification of 3+1D topological orders 

November 19, 2018, 10:00  11:30 am at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Adrian Po (MIT) 
A modern solution to the old problem of symmetries in band theory 

September 17, 2018, 10:30 am  12:00 pm at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Dominic Else (MIT) 
Phases and topology in periodically driven (Floquet) systems 

September 10, 2018, 10:30 am  12:00 pm at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Max Metlitski (MIT) 
Surface Topological Order and a new 't Hooft Anomaly of Interaction Enabled 3+1D Fermion SPTs 

September 24, 2018, 10:00  11:30 am at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Anders Sandvik (BOSTON UNIVERSITY AND INSTITUTE OF PHYSICS, CAS, BEIJING) 
Quantum Monte Carlo simulations of exotic states in 2D quantum magnets 

December 10, 2018, 10:00  11:30 am at CMSA Building, 20 Garden St, G02 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Ethan Lake (MIT) 
A primer on higher symmetries 

October 15, 2018, 10:00  11:30 am at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Sagar Vijay (HARVARD UNIVERSITY) 
Fracton Phases of Matter 

October 09, 2018, 3:00 PM  4:30 PM at CMSA Building, 20 Garden St, G10 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
Claudio Chamon (BOSTON UNIVERSITY) 
Manybody scar states with topological properties in 1D, 2D, and 3D 

December 03, 2018, 10:00  11:30 am at CMSA Building, 20 Garden St, G02 
CMSA TOPOLOGICAL ASPECTS OF CONDENSED MATTER SEMINAR 
YinChen He (PERIMETER INSTITUTE) 
Emergent QED3 and QCD3 in condensed matter system 

October 22, 2018, 10:00  11:30 am at CMSA Building, 20 Garden St, G02 
CMSA SPESIAL SEMINAR 
Shannon Ray (FLORIDA ATLANTIC UNIVERSITY) 
Wang and Yauâs QuasiLocal Energy for an Extreme Kerr Spacetime 

January 19, 2018, 4:00pm at CMSA Building, 20 Garden St., G10 
CMSA SPECIAL SEMINAR ON SYMPLECTIC GEOMETRY 
Weiwei Wu (UNIVERSITY OF GEORGIA) 
Lagrangian surgery formulae and applications 

April 30, 2018, 1:30  2:30 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL SEMINAR 
Zhengcheng Gu (THE CHINESE UNIVERSITY OF HONG KONG) 
Towards a complete classification of symmetry protected topological phases for interacting fermions in three dimensions and a general group supercohomology theory 

August 29, 2018, 3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA SPECIAL SEMINAR 
YangHui He (UNIVERSITY OF OXFORD) 
Deeplearning the Landscape 

November 09, 2018, 10:30 am  12:00 pm at Science Center 530 
CMSA SPECIAL SEMINAR 
Xin Wang (COLUMBIA UNIVERSITY) 
Quasimodularity and holomorphic anomaly equation for GW invariants of elliptic curve 

October 15, 2018, 3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA SPECIAL SEMINAR 
Nima ArkaniHamed (INSTITUTE FOR ADVANCED STUDY) 
Spacetime, Quantum Mechanics and Positive Geometry 

November 09, 2018, 12:00  1:30 pm at Science Center 507 
CMSA SPECIAL SEMINAR 
Artan Sheshmani (CMSA) 
Atiyah class and sheaf counting on local CalabiYau four folds 

October 16, 2018, 2:30 pm at CMSA Building, 20 Garden St, G10 
CMSA SPECIAL SEMINAR 
John Loftin (RUTGERS UNIVERSITY) 
Equivariant minimal surfaces in real hyperbolic 3 and 4spaces 

October 26, 2018, 1:30 pm at CMSA Building, 20 Garden St, G10 
CMSA SPECIAL SEMINAR 
XiaoGang Wen (MIT) 
Classification of topological orders in 2+1D and 3+1D 

October 05, 2018, 11:00 am  12:00 pm at Science Center 530 
CMSA SPECIAL SEMESTERLONG LECTURE SERIES 
Artan Sheshmani (QGM/CMSA) 
Quantum Cohomology, Nakajima Varieties and Quantum groups 

January 25, 2018, 1:00  3:00pm at CMSA Building, 20 Garden St., G10 
CMSA SPECIAL MATHEMATICAL PHYSICS SEMINAR 
Qintao Chen () 
Recent progress of various Volume Conjectures for links as well as 3manifolds 

December 06, 2018, 3:30  4:30 pm at Science Center 530 
CMSA SPECIAL MATHEMATICAL PHYSICS SEMINAR 
Emanuel Scheidegger (ALBERT LUDWIGS UNIVERSITY OF FREIBURG) 
Periods and quasiperiods of modular forms and the mirror quintic at the conifold 

March 05, 2018, 11:00  12:00 at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 15, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Computing GW Invariants 

February 20, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 13, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

February 27, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 01, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 06, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Quantum Cohomology 

March 08, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Computing GW Invariants 

February 22, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
GW Invariants via Quantum Cohomology 

March 22, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
Computing GW Invariants 

February 15, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
GromovWitten invariants 

February 13, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON QUANTUM COHOMOLOGY, NAKAJIMA VARETIES AND QUANTUM GROUPS 
Artan Sheshmani (QGM & CMSA) 
GW Invariants via Quantum Cohomology 

March 20, 2018, 1:00  3:00 pm at CMSA Building, 20 Garden Street, Room G10 
CMSA SPECIAL LECTURE SERIES ON DONALDSONTHOMAS AND GROMOVWITTEN THEORIES 
Artan Sheshmani (AARHUS UNIVERSITY/CMSA) 
Modularity of DT invariants on smooth K3 vibrations II 

March 08, 2017, 9:00  10:30 am at CMSA Building, 20 Garden St, G10 
CMSA SPECIAL LECTURE SERIES 
Hossein Movasati (IMPA) 
Hodge and NoetherLefschetz Loci Seminar 

November 07, 2018, 1:30  3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA SOCIAL SCIENCE APPLICATIONS FORUM SPECIAL EDITION 
Daniel Marszalec (UNIVERSITY OF TOKYO) 
Auctions for complements: theories vs experiments 

October 26, 2018, 3:00 pm at CMSA Building, 20 Garden St, G02 
CMSA MIRROR SYMMETRY SEMINAR 
Alan Thompson (CAMBRIDGE) 
Threefolds fibred by K3 surfaces and mirror symmetry 

April 20, 2018, 10:45 AM  12:00 PM at Sci Center 530 
CMSA MIRROR SYMMETRY SEMINAR 
Jingyu Zhao (CMSA) 
Big quantum period theorem for the bulkdeformed potentials of toric surfaces 

October 19, 2018, 11:00 am  12:00 pm at Science Center 530 
CMSA MIRROR SYMMETRY SEMINAR 
Xiaomeng Xu (MIT) 
Stokes phenomenon, quantum groups and 2d topological field theory 

April 20, 2018, 9:30  10:45 AM at Sci Center 530 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Dori Bejleri (MIT) 
Stable pair compactifications of the moduli space of degree one del Pezzo surfaces via elliptic fibrations 

October 01, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Charles Doran (ALBERTA) 
Feynman Amplitudes from CalabiYau Fibrations 

November 26, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Xiaomeng Xu (MIT) 
Stokes phenomenon, YangBaxter equations and GromovWitten theory 

September 10, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Gaetan Borot (MAX PLANCK INSTITUTE) 
A generalization of Mirzakhani's identity, and geometric recursion 

September 17, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
PeiKen Hung (MIT) 
The linear stability of the Schwarzschild spacetime in the harmonic gauge: odd part 

October 08, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Fenglong You (UNIVERSITY OF ALBERTA) 
Relative and orbifold GromovWitten theory 

December 10, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Baohua Fu (CHINESE ACADEMY OF SCIENCE) 
Equivariant compactifications of vector groups 

April 23, 2018, 12:00  1:00 PM at CMSA Building, 20 garden St., G02 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Francois Greer (SIMONS CENTER) 
Rigid Varieties with Lagrangian Spheres 

October 29, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Chris Gerig (HARVARD UNIVERSITY) 
A geometric interpretation of the SeibergWitten invariants 

October 15, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Yusuf Baris Kartal (MIT) 
Distinguishing symplectic fillings using dynamics of Fukaya categories 

November 19, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Sze Ning Mak (Hazel) (BROWN UNIVERSITY) 
Tetrahedral geometry in holoraumy spaces of 4D, $\mathcal{N}=1$ and $\mathcal{N}=2$ minimal supermultiplets 

October 22, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G02 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Monica Pate (HARVARD UNIVERSITY) 
Gravitational Memory in Higher Dimensions 

December 03, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G02 
CMSA MATHEMATICAL PHYSICS SEMINAR 
Yi Xie (SIMONS CENTER) 
sl(3) Khovanov module and the detection of planar thetagraph 

September 24, 2018, 12:00  1:00 pm at CMSA Building, 20 Garden St, G10 
CMSA MATH PHYSICS SEMINAR 
Siqi He (SIMONS CENTER) 
The KapustinWitten Equations, Opers and Khovanov Homology 

November 05, 2018, 12:00  1:00 PM at CMSA Building, 20 Garden St, G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Mauricio Romo (INSTITUTE FOR ADVANCED STUDY) 
Gauged Linear Sigma Models, Supersymmetric Localization and Applications, Part 1 

April 10, 2018, 3:00  5:00 pm at CMSA Building, 20 Garden Street, G02 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 06, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 08, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 13, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Colin Diemer (IHES) 
Moduli spaces of LandauGinzburg models and (mostly Fano) HMS 

February 27, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Adam Jacob (UC DAVIS) 
The deformed HermitianYangMills equation (continued) 

March 08, 2018, 4:005:00 pm at CMSA Building, 20 Garden St., G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Dmytro Shklyarov (TECHNISCHE UNIVERSITĂ€T CHEMNITZ) 
On categories of matrix factorizations and their homological invariants 

March 15, 2018, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Mauricio Romo (INSTITUTE FOR ADVANCED STUDY) 
Gauged Linear Sigma Models, Supersymmetric Localization and Applications, Part 2 

April 12, 2018, 3:00  5:00 pm at CMSA Building, 20 Garden Street, G02 
CMSA HOMOLOGICAL MIRROR SYMMETRY FOCUSED LECTURE SERIES 
Ivan Losev (NORTHEASTERN UNIVERSITY) 
BGG category O: towards symplectic duality 

January 25, 2018, 3:00  5:00pm at CMSA Building, 20 Garden St., G10 
CMSA HODGE AND NOETHERLEFSCHETZ LOCI SEMINAR 
Hossein Movasati (IMPA) 
Periods of algebraic cycles 

November 21, 2018, 1:30  3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA HODGE AND NOETHERLEFSCHETZ LOCI SEMINAR 
Roberto Villaflor () 
Periods of Complete Intersection Algebraic Cycles 

November 28, 2018, 1:30  3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA HODGE AND NOETHERLEFSCHETZ LOCI SEMINAR 
Hossein Movasati (IMPA) 
Some explicit Hodge cycles 

December 05, 2018, 1:30  3:00 pm at CMSA Building, 20 Garden St, G02 
CMSA HODGE AND NOETHERLEFSCHETZ LOCI SEMINAR 
Hossein Movasati (IMPA) 
A conjectural Hodge locus for cubic tenfold 

December 12, 2018, 1:30  3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA HODGE AND NOETHERLEFSCHETZ LOCI SEMINAR 
Hossein Movasati (IMPA) 
Integral Hodge conjecture for Fermat varieties 

November 14, 2018, 1:30  3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA GENERAL RELATIVITY SEMINAR 
Alex Lupsasca (HARVARD UNIVERSITY) 
Polarization Whorls from M87 at the Event Horizon Telescope 

October 31, 2018, 11:00 am at CMSA Building, 20 Garden St, G10 
CMSA GENERAL RELATIVITY SEMINAR 
Niky Kamran (MCGILL UNIVERSITY) 
Lorentzian Einstein metrics with prescribed conformal infinity 

November 14, 2018, 11:00 am at CMSA Building, 20 Garden St, G10 
CMSA GENERAL RELATIVITY SEMINAR 
Salem Al Mosleh (CMSA) 
Thin elastic shells and isometric embedding of surfaces in threedimensional Euclidean space 

October 10, 2018, 11:00 am at CMSA Building, 20 Garden St, G02 
CMSA GENERAL RELATIVITY SEMINAR 
Jordan Keller (BHI) 
Quasilocal Angular Momentum and CenterofMass at Future Null Infinity 

September 26, 2018, 11 AM at CMSA Building, 20 Garden St., G02 
CMSA GENERAL RELATIVITY SEMINAR 
Aghil Alaee (CMSA) 
Massangular momentum inequality for black holes 

September 12, 2018, 11:00 am at CMSA Building, 20 Garden St, G02 
CMSA GENERAL RELATIVITY SEMINAR 
Christos Mantoulidis (MIT) 
Capacity and quasilocal mass 

September 07, 2018, 2:00 pm at CMSA Building, 20 Garden St, G02 
CMSA GENERAL RELATIVITY SEMINAR 
SĂ©bastien Picard (HARVARD UNIVERSITY) 
The Anomaly flow over Riemann surfaces 

October 17, 2018, 11:00 am at CMSA Building, 20 Garden St, G02 
CMSA GENERAL RELATIVITY SEMINAR 
Pengzi Miao (UNIVERSITY OF MIAMI) 
Localization of the Penrose inequality and variation of quasilocal mass 

December 05, 2018, 11:00 am  12:00 pm at CMSA Building, 20 Garden St, G02 
CMSA GENERAL RELATIVITY SEMINAR 
Christos Mantoulidis (MIT) 
The Bartnik mass of apparent horizons 

October 03, 2018, 11:00 am at CMSA Building, 20 Garden St, G02 
CMSA GENERAL RELATIVITY SEMINAR 
PeiKen Hung (MIT) 
The linear stability of the Schwarzschild spacetime in the harmonic gauge: odd part 

September 19, 2018, 11:00 am at Science Center 530 
CMSA GENERAL RELATIVITY SEMINAR 
Jordan Keller (HARVARD UNIVERSITY) 
Linear Stability of Higher Dimensional Schwarzschild Black Holes 

November 07, 2018, 11:00 am at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Jeremy England (MIT) 
Wisdom of the Jumble 

October 17, 2018, 4:30  5:30 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
XiaoGang Wen (MIT) 
A classification of low dimensional topological orders and fully extended TQFTs 

September 26, 2018, 4:30  5:30 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Xiaoqin Wang (JOHNS HOPKINS UNIVERSITY) 
Computational Principles of Auditory Cortex 

November 19, 2018, 3:00 pm *note special day and time* at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Robert Haslhofer (UNIVERSITY OF TORONTO) 
Recent progress on mean curvature flow 

November 28, 2018, 4:30 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Justin Solomon (MIT) 
Correspondence and Optimal Transport for Geometric Data Processing 

October 10, 2018, 4:30 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Richard Schoen (UC IRVINE) 
Perspectives on the scalar curvature 

October 03, 2018, 4:30  5:30 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Zhiwei Yun (MIT) 
Shtukas: what and why 

December 12, 2018, 4:30 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Robert McCann (UNIVERSITY OF TORONTO) 
Displacement convexity of Boltzmann's entropy characterizes positive energy in general relativity 

December 05, 2018, 4:30 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Dusa McDuff (COLUMBIA UNIVERSITY) 
The virtual fundamental class in symplectic geometry 

November 14, 2018, 4:00 pm at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Washington Taylor (MIT) 
On the fibration structure of known CalabiYau threefolds 

April 18, 2018, 4:30 PM at CMSA Building, 20 Garden St, G10 
CMSA COLLOQUIUM 
Moon Duchin (TUFTS) 
Exploring the (massive) space of graph partitions 

October 31, 2018, 4:30 PM 5:30 PM at CMSA Building, 20 Garden Street, Room G10 
CMSA CHINESE ECONOMY SEMINAR 
Lintong Li & Jian Wang (BEJING UNIV. & UNIV. OF LEUVEN) 


July 26, 2016, 1:30  3:00 pm at CMSA Building, 20 Garden St, G10 
CMSA ALGEBRAIC GEOMETRY SEMINAR 
Alexander Moll (IHES) 
Hibert Schemes from Geometric Quantization of Dispersive Periodic BenjaminOno Waves 

November 02, 2017, 3:00 PM at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS TOPOLOGICAL INSULATORS SERIES 
Alexei Kitaev (CALIFORNIA INSTITUTE OF TECHNOLOGY, FUNDAMENTAL PHYSICS PRIZE WINNER) 
The classification of shortrange entangled topological phases 

November 20, 2014, 1:30 PM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Bong Lian (BRANDEIS UNIVERSITY) 
Tautological systems 

October 28, 2016, 12:45 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Tyler Helmuth (ICERM AND BROWN UNIVERSITY) 
Loopweighted Walk 

April 23, 2015, 2:00  3:00 PM at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
ZhengCheng Gu (CHINESE UNIVERSITY OF HONG KONG) 
A topological world: from topological material to the origin of elementary particles 

May 23, 2017, 12:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Gerard Ben Arous (COURANT INSTITUTE) 
Complexity of random functions of many variables: from geometry to statistical physics and deep learning algorithms 

January 11, 2017, 4:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Cumrun Vafa (HARVARD PHYSICS) 
All genus GromovWitten invariants for Compact CalabiYau threefolds 

January 30, 2018, 1  2:30 pm at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
John Loftin (RUTGERS UNIVERSITY) 
Families of projective domains and neckseparating degenerations of convex $RP^2$ surfaces 

April 06, 2017, 3:00  4:30 pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Sijue Wu (UNIVERSITY OF MICHIGAN) 
Mathematical analysis of the water waves and some related problems 

April 29, 2016, 10:30 AM at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Jens Hoppe (KTH) 
New Constructions and Quantization of Minimal Surfaces 

February 16, 2018, 9:30 am at Science Center 530 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Noureddine El Karoui (UC BERKELEY) 
Some remarks on the bootstrap in highdimension 

May 07, 2015, 12:00  1:30 pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Fraydoun Rezakhanlou (UC BERKELEY) 
Diffusions with Rough Drifts and NavierStokes Equation 

April 28, 2016, 3:00  4:00 PM at CMSA Building, 20 Garden Street, Room G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Claudio Landim (IMPA) 
Condensing zerorange processes 

May 22, 2015, 11:30 am  1:00 pm at Science Center 232 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
An Huang (HARVARD UNIVERSITY) 
Tautological Systems 

November 04, 2016, 2:00  3:00 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Tom Luo (UNIVERSITY OF MINNESOTA) 
Semidefinite Relaxation of Nonconvex Quadratic Optimization 

February 09, 2017, 1:30  2:30 pm at CMSA Building, 20 Garden St, G10 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
RakKyeong Seong (UPPSALA UNIVERSITY) 
The Mirror and the Elliptic Genus of Brane Brick Models 

March 30, 2017, 3:00 pm at CMSA Building, 20 Garden St, G02 
CENTER OF MATHEMATICAL SCIENCES AND APPLICATIONS SPECIAL SEMINAR 
Qingtao Chen (INTERNATIONAL CENTER FOR THEORETICAL PHYSICS) 
Quantum invariants, Skein relations and Volume Conjecture 
