| Date | Speaker | Topic |
| October 06, 2022 (1pm, ISTA, I21.EG.101) | Anton Mellit (University of Vienna) | |
| October 13, 2022 (1pm, ISTA, I21.EG.101) | Szilard Szabo (University of Budapest) | Asymptotic Hodge theory via WKB-analysis and Donaldson Thomas theory |
| October 27, 2022 (1pm, ISTA, I21.EG.101) | Anne Moreau (Université Paris-Sacley) | Nilpotent Slodowy slices and W-algebras. |
| November 03, 2022 (1pm, ISTA, I21.EG.101) | Balázs Szendroi (University of Vienna) | |
| November 10, 2022 (1pm, ISTA, I21.EG.101) | Simon Riche (UCA) | Perverse sheaves on affine flag varieties and coherent sheaves on the dual Steinberg variety |
| November 17, 2022 (1pm, ISTA, I21.EG.101) | Olivier Schiffmann (Université Paris-Saclay) | About the genus g Lie algebra |
| November 24, 2022 (1pm, IST Austria, I21.EG.101) | Andreas Cap (University of Vienna) | Applications of parabolic geometries to geometric compactifications |
| December 08, 2022 | Austrian holiday | |
| UNUSUAL DATE and PLACE December 09, 2022 (1pm, University of Vienna) | Ben Davison (University of Edinburgh) | BPS cohomology and the nonabelian Hodge isomorphism for moduli stacks |
| January 05, 2023 (1pm, ISTA, I21.EG.101) | Richard Rimanyi (University of North Carolina) | Elliptic Schubert classes and generalizations |
| January 12, 2023 (1pm, ISTA, I21.EG.101) | Michel Brion (University Grenobles-Alpes) | The inverse Galois problem for algebraic groups |
| January 19, 2023 (1pm, ISTA, I21.EG.101) | Vernet Tanguy Francois Jérome (EPFL Lausanne) | Rational singularities for moment maps of totally negative quivers |
| January 26, 2023 (ISTA, I21.EG.101) *2pm | Oscar Garcia-Prada (ICMAT, Madrid) | Vinberg pairs and Higgs bundles |
| March 02, 2023 (1pm, ISTA, I21.EG.101) | Harald Grobner (University of Vienna) | On the zeta function and a conjecture of Deligne |
| March 09, 2023 (1pm, ISTA, I21.EG.101) | Peter Fiebig (Friedrich-Alexander-Universität, Erlangen) | Quantum approximations of algebraic representations |
| March 16, 2023 (1pm, ISTA, I21.EG.101) | Oliver Roche-Newton (Johannes Kepler Universität Linz) | The Elekes-Szabo Theorem and applications |
| March 23, 2023 (1pm, ISTA, I21.EG.101) | Justin Sawon (University of North Carolina) | Mirror symmetry for generalized Kummer varieties |
| March 30, 2023 (1pm, ISTA, I21.EG.101) | Giuseppe Ancona (Université de Strasbourg) | Quadratic forms arising from geometry |
| April 13, 2023 (1pm, ISTA, I21.EG.101) | Stevan Gajovic (MPIM Bonn) | The density of polynomials of degree n over Zp that have exactly r roots in Qp |
| April 20, 2023 (1pm, ISTA, I21.EG.101) | Sergey Mozgovoy (Trinity College Dublin) | Non-commutative Hilbert schemes and Hall algebras |
| May 04, 2023 (1pm, ISTA, I21.EG.101) | Ben Heuer (Goethe-Universität Frankfurt) | p-adic non-abelian Hodge theory for non-p-adic geometers |
| May 11, 2023 (1pm, ISTA, I21.EG.101) | Oksana Yakimova (Friedrich-Schiller-University, Jena) | Symmetrisation and the Feigin–Frenkel centre |
| May 18, 2023 | Austrian holiday | |
| UNUSUAL DAY and PLACE May 19, 2023 (2pm, Uni Wien, Oskar-Morgenstern Platz 1) | Alex Küronya (Goethe University Frankfurt) David Ssevviiri (Makerere University, Uganda) | Wien-Budapest AG |
| May 25, 2023 (1pm, ISTA, I21.EG.101) | Florian Richter (EPFL) | On Erdos’s sumset conjectures |
| June 01, 2023 (1pm, ISTA, I21.EG.101) | Jakub Koncki (IMPAN, Warsaw) | Hecke algebra action on stable basis |
| June 08, 2023 | Austrian holiday | |
| June 15, 2023 (1pm, ISTA, I21.EG.101) | Alexander Gamburd (CUNY Graduate Center) | Arithmetic and Dynamics on Varieties of Markoff Type |
| June 22, 2023 (1pm, ISTA, I21.EG.101) | Daniel Loughran (University of Bath) | Rational points in families of varieties |
| UNUSUAL DAY and PLACE June 30, 2023 (1pm, TU Wien) | Andrew O’Desky (Princeton) Stephanie Chan (ISTA) Niclas Technau (TU Graz) | ISTA-Graz Number Theory Days |
