| 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 |
| March 25, 2021 | Oscar Garcia-Prada (ICMAT, Spain) | Arakelov–Milnor inequalities and maximal variations of Hodge structure |
| 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 |
| 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 |
| May 20, 2021 | Zhiwei Yun (MIT Mathematics) | Universal global nilpotent cone |
| 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 | Geordie Williamson (University of Sidney) | Spectra in representation theory |
