Academic Year 2020/21

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