Hosts Tim BrowningTamas Hausel
Location Building West, Heinzel Seminar Room
Time Thursdays, 2pm (* =unusual time/place, check invitation file)


PLEASE NOTE: During to concerns about the COVID-19 virus we will be conducting seminars remotely via

Recorded talks are marked with "REC".



Academic Year 2020 / 2021

Date Speaker Topic
October 01, 2020 Tom Baird (Memorial University of Newfoundland) E-polynomials of character varieties for real curves
October 08, 2020 Mirko Mauri (Max Planck Institute, Bonn) P=W conjectures for character varieties with symplectic resolution
October 15, 2020 Márton Hablicsek (Universiteit Leiden, NL) Virtual Classes of Representation Varieties of Upper Triangular Matrices via Topological Quantum Field Theories
October 22, 2020 Fernando R. Villegas (Abdus Salam International Centre for Theoretical Physics, ICTP, Italy) Character varieties of non-orientable surfaces
October 29, 2020 Davesh Maulik (MIT Mathematics) Cohomology of the moduli of Higgs bundles and the Hausel-Thaddeus conjecture
November 05, 2020 *3:30pm Jonathan Wang (MIT Mathematics) Spherical varieties and L-functions via geometric Langlands
November 12, 2020 Eloise Hamilton (IMJ-PRG, University of Paris) Moduli spaces for unstable Higgs bundles of rank 2 and their geometry
November 19, 2020 Sachi Hashimoto (Boston University, Massachusetts) Transcendental Brauer-Manin obstructions on some Calabi-Yau threefolds
November 26, 2020 Ariyan Javanpeykar (Johannes Gutenberg-Universität Mainz) Hilbert's irreducibility theorem for abelian varieties
December 03, 2020 Tony Feng (MIT Mathematics) The geometric distribution of Selmer groups over function fields.
December 10, 2020 Arielle Leitner (Weizmann Institute of Science) Limits of the diagonal Cartan subgroup in SL(n,R) and SL(n, Q_p)
December 17, 2020 Lior Bary-Soroker (School of Mathematical Sciences of Tel Aviv University) Random Polynomials, Probabilistic Galois Theory, and Finite Field Arithmetic
January 07, 2021 Emmanuel Kowalski (ETH Zürich) Exponential sums and twisted multiplicativity
January 14, 2021 *3pm Kirsten Wickelgren (Duke University, North Carolina) An arithmetic count of rational plane curves
January 21, 2021 Otto Overkamp (Leibniz Universität Hannover) Néron models of pseudo-Abelian varieties
January 28, 2021 Jörg Jahnel (University of Siegen) On integral points on open degree four del Pezzo surfaces
March 11, 2021 Raf Cluckers (KU Leuven) A number theoretic characterization of (FRS) morphisms
March 18, 2021 Vincent Lafforgue (Institute Fourier, Grenoble) Classical limits for geometrizations of functoriality kernels and values of L-functions REC
March 25, 2021 Oscar Garcia-Prada (ICMAT, Spain) Arakelov–Milnor inequalities and maximal variations of Hodge structure REC
April 01, 2021 Philipp Habegger (University of Basel) Uniformity for the Number of Rational Points on a Curve
April 08, 2021 Uri Onn (Australian National University) Analytic properties of representation zeta functions of arithmetic groups
April 15, 2021 Richárd Rimányi (UNC Chapel Hill) Stable envelopes, 3d mirror symmetry, bow varieties REC
April 22, 2021 Mercedes Haiech (University of Rennes) The Fundamental Theorem of Tropical Partial Differential Algebraic Geometry
April 29, 2021 Joel Kamnitzer (University of Toronto) Affine Grassmannian slices and their quantizations REC
May 20, 2021 Zhiwei Yun (MIT Mathematics) Universal global nilpotent cone REC
May 27, 2021 Arul Shankar (University of Toronto) Nonvanishing at the critical point of the Dedekind zeta functions of cubic $S_3$-fields
June 10, 2021 *9am Geordie Williamson (University of Sidney) Spectra in representation theory