| Date | Speaker | Topic |
| September 30, 2021 (1pm, IST Austria, I21.EG.101) | Maria Yakerson (ETH Zürich) | Hilbert schemes of affine spaces |
| October 07, 2021 (2pm, online) REC | Michael Groechenig (University of Toronto) | Complex K-theory of dual Hitchin systems |
| October 14, 2021 (1pm, IST Austria, I21.EG.101) | Péter Maga (Rényi Institute Budapest) | Beyond the spherical sup-norm problem |
| October 21, 2021 (2pm, online) REC | Joachim Jelisiejew (University of Warsaw) | Bialynicki-Birula decompositions old and new |
| October 28, 2021 (online) *1pm REC | Mirko Mauri (University of Michigan) | On the geometric P = W conjecture |
| November 04, 2021 (2pm, online) | Ben Green (University of Oxford) | Quadratic forms in 8 prime variables |
| November 11, 2021 (2pm, online) REC | Pavel Etinghof (MIT Mathematics) | Hecke operators over local fields and an analytic approach to the geometric Langlands correspondence |
| November 18, 2021 (online) *10am REC | Gufang Zhao (University of Melbourne) | Frobenii on Morava E-theoretical quantum groups |
| November 18, 2021 (1pm, IST Austria, I21.EG.101) | Susanna Zimmermann (Université d’Angers) | Algebraic groups acting birationally on the plane |
| November 25, 2021 (2pm, online) REC | Pierrick Bousseau (ETH Zürich) | The skein algebra of the 4-punctured sphere from curve counting |
| December 02, 2021 (2pm, online) | Joni Teräväinen (University of Turku) | On a hybrid of the Hardy-Littlewood and Chowla conjectures |
| December 09, 2021 (2pm, online) REC | Andrzej Weber (University of Warsaw) | Elliptic characteristic classes of Schubert varieties and duality |
| December 16, 2021 (online) * 4pm | A. C. Cojocaru (University of Illinois at Chicago) | A geometric generalization of the square sieve with an application to cyclic covers over global function fields |
| January 13, 2022 (online) *1pm | Diego Izquierdo (École polytechnique) | Milnor K-theory and zero-cycles over p-adic function fields |
| January 20, 2022 (online) *8pm REC Seminar | David D Ben-Zvi (University of Texas) | Quantization and Duality for Hyperspherical Varieties |
| January 27, 2022 (online) *1pm | Javier Fresán (École polytechnique, Palaiseau) | Equidistribution of exponential sums over algebraic groups |
| February 24, 2022 (1pm, IST Austria, I21.EG.101) | Elden Elmanto (Harvard University) | K-theory and motivic cohomology of singularities |
| March 03, 2022 (1pm, IST Austria, I21.EG.101) | Ronno Das (University of Copenhagen) | Cohomological and motivic inclusion-exclusion |
| March 10, 202 (2pm, online) REC Seminar | Justin Hilburn (Perimeter Institute for Theoretical Physics) | A survey of (abelian) 3d mirror symmetry |
| March 17, 2022 (online) *1pm | Quoc Ho (Hong Kong University of Science and Technology) | Revisiting mixed geometry |
| March 24, 2022 (1pm, IST Austria, I21.EG.101) | Ulrich Derenthal (University of Hannover) | Manin’s conjecture for smooth spherical Fano threefolds |
| March 31, 2022 (IST Austria, I21.EG.101) *2pm | Christopher Frei (TU Graz) | Quantitative and constructive results on norms in abelian extensions |
| April 07, 2022 (1pm, IST Austria, I21.EG.101) | Olga Trapeznikova (Université de Genève) | Tautological Hecke correspondence and K-theory of the moduli space of parabolic vector bundles |
| April 28, 2022 (online) *1pm Seminar | Daxin Xu (Morningside Center of Mathematics, Beijing) | Bessel equations, hypergeometric sums and geometric Langlands correspondence |
| May 05, 2022 (1pm, IST Austria, I21.EG.101) | Kien Nguyen Huu (Katholieke Universiteit Leuven) | Exponential sums modulo p^m for Deligne polynomials |
| May 12, 2022 (1pm, IST Austria, I21.EG.101) | Dimitri Wyss (EPFL, Switzerland) | BPS-invariants from non-archimedean integrals |
| May 19, 2022 (1pm, IST Austria, I21.EG.101) | Victoria Cantoral Farfán (Georg-August-Universität Göttingen) | Some remarks on the component group of the Sato-Tate group |
| UNUSUAL DATE May 25, 2022 (1pm, IST Austria, I21.EG.101) | Gavril Farkas (Humboldt-Universität zu Berlin) | Counting maps with prescribed incidence conditions |
| June 02, 2022 (1pm, IST Austria, I21.EG.101) | Youness Lamzouri (Université de Lorraine) | Fekete polynomials : Real zeros, Mahler measure, and applications |
| June 09, 2022 (online) *4pm | Aaron Landesman (Harvard University) | Low degree Hurwitz stacks in the Grothendieck ring |
| UNUSUAL DATE June 17, 2022 (2pm, IST Austria, I21.EG.101) | Friedrich Knop (Friedrich-Alexander Universität, FAU) | Compactifications of spherical varieties |
| June 30, 2022 (1pm, IST Austria, I21.EG.101) | Emmanuel Letellier (Université de Paris) | Braverman-Kazhdan conjecture for finite fields |
