Seminar on Arithmetic Geometry

This is a research seminar jointly organized by Sabrina Pauli, Timo Richarz and Torsten Wedhorn.

Time and Place

Fridays, 15:30-17:00 (MET) during the semester.

Room S 215 401 and via Zoom (635 7328 0984, Password: smallest six digit prime number).

Date Speaker / title
April 25, 2025 Zhixiang Wu (University Münster)
Bernstein-Zelevinsky duality for locally analytic principal series representations
May 2, 2025 Christian Dahlhausen (University Heidelberg)
Duality in (perfect) motivic homotopy theory
May 9, 2025 Ferdinand Wagner (MPIM Bonn)
q-Hodge filtrations, Habiro cohomology, and THH over ku
May 16, 2025 Simon Riche (Université Clermont Auvergne)
Semiinfinite sheaves on affine flag varieties
May 23, 2025 Strategy meeting
May 30, 2025 Guido Bosco (MPIM Bonn)
On the p-adic monodromy theorem
June 6, 2025 GAUS renewal
June 13, 2025 Emanuel Reinecke (IHES)
Poincare duality for proper morphisms in rigid geometry
June 20, 2025 Thiago Landim (IMJ)
Weights and motives on stacks
June 27, 2025 Tianyi Feng Universität Bonn
Metaplectic Satake with Ring Coefficients
July 4, 2025 Matteo Tamiozzo (Université Sorbonne Paris Nord)
Towards semi-global plectic conjectures
July 11, 2025 Local speaker
July 18, 2025 Abhishek Oswal (University Freiburg)
p-adic hyperbolicity of the moduli space of abelian varieties
July 25, 2025 Markus Land (LMU Munich)
Date Speaker / title
October 18, 2024 Joakim Færgeman (Yale University)
Motivicity of rigid G-local systems on curves
October 25, 2024 no talk
November 1, 2024 Pol van Hoften (VU Amsterdam)
Igusa stacks and the cohomology of Shimura varieties
November 8, 2024 Siyan Daniel Li-Huerta (MPIM Bonn)
Close fields and the local Langlands correspondence
November 15, 2024 Ludvig Modin (Leibniz Universität Hannover)
Moduli spaces for Theta-strata and non-reductive quotients
November 22, 2024 Andrés Jaramillo Puentes (Universität Tübingen)
A Wall-Crossing Formula for Motivic Gromov-Witten Invariants
November 29, 2024 Felipe Espreafico (IMJ-PRG)
Gauss-Main Connection in Disguise: A «quasi-modularity» for Gromov-Witten invariants for the Quintic Threefold
December 6, 2024 Christopher Lang (TU Darmstadt)
Ekedahl-Oort Stratification of Deligne-Lusztig Varieties
December 13, 2024 Thomas Nikolaus (Universität Münster)
Prismatic cohomology, K-Theory and Topology
December 20, 2024 Can Yaylali (TU Darmstadt)
A^1-homotopy theory of rigid analytic spaces
January 17, 2025 Jens Eberhardt (Universität Mainz)
K-motives and Local Langlands
January 24, 2025 Maximilian Hauck (MPIM Bonn)
Stacks in the p-adic Hodge theory of formal schemes
January 31, 2025 Paul Siemon (TU Darmstadt)
Stacks of parabolic vector bundles and Katz's middle convolution algorithm
February 7, 2025 Milton Lin (Johns Hopkins University)
(exceptionally at 14:00 due to Lange Nacht der Mathematik)
Geometric Casselman-Shalika in mixed characteristic
February 14, 2025 no talk
February 20, 2025 Fabio Tanania (TU Darmstadt)
Date Speaker / title
April 19, 2024 Catrin Mair (TU Darmstadt)
The Role of Condensed Mathematics in Homotopy Theory
April 26, 2024 Chirantan Chowdhury (TU Darmstadt)
Applications Of Six-Functor Formalisms in Motivic Homotopy Theory
May 3, 2024 Tariq Syed (Johannes Gutenberg-Universität Mainz)
Motivic cohomology of cyclic coverings
May 10, 2024 no talk
May 17, 2024 Nathan Tiggemann (TU Darmstadt)
k-phase structures
May 24, 2024 Torsten Wedhorn (TU Darmstadt)
Moduli of truncated shtukas
May 31, 2024 Rizacan Ciloglu (TU Darmstadt)
Perverse sheaves on twisted affine flag varieties
June 7, 2024 Mingjia Zhang (Princeton University)
Igusa stacks and cohomology of Shimura varieties
June 14, 2024 Timo Richarz (TU Darmstadt)
Cohomological motives
June 21, 2024 Michael Rapoport (Universität Bonn)
Integral models of Hecke operators
June 28, 2024 Strategietagung
July 5, 2024 Fabio Tanania (TU Darmstadt)
(as an exception at 14.00 due to GAUS Barbecue)
Isotropic motivic fundamental groups
July 12, 2024 Thibaud van den Hove (TU Darmstadt)
Towards motivic categorical local Langlands
July 19, 2024 Konstantin Jakob (TU Darmstadt)
Counting absolutely indecomposable G-bundles
Date Speaker
October 20, 2023
 Tom Bachmann (University of Mainz)
On a C_2-equivariant Gabber lemma
October 27, 2023 Charanya Ravi (Indian Statistical Institute, Bangalore Centre) (via Zoom)
Equivariant localization theorems
November 3, 2023 Dimitri Wyss (École Polytechnique Fédérale de Lausanne)
Non-archimedean integration on quotients and BPS-invariants
November 10, 2023 João Lourenço (University of Münster)
Embedded normality in affine Grassmannians
November 17, 2023 Yifei Zhao (University of Münster)
Factorization central extensions of the loop group
November 24, 2023 Anneloes Viergever (University of Duisburg-Essen)
The quadratic Euler characteristic of a smooth projective same-degree complete intersection
December 1, 2023 Shang Li (Paris-Saclay University)
Wonderful compactification over an arbitrary base scheme
December 5, 2023 Helge Ruddat (University of Stavanger) (as an exception: on Tuesday, December 5, 14:00-15:30 in room S215 244)
Theta functions for the projective plane relative a smooth cubic
December 15, 2023 Clémentine Lemarié—Rieusset (University of Duisburg-Essen)
Motivic Linking
December 22, 2023 Mohammad Hadi Hedayatzadeh (Institute for Research in Fundamental Sciences)
Deformations of $(G,\mu)$-Displays
January 12, 2024 Linus Hamann (Princeton University) (via Zoom)
Conjectures on Geometric Eisenstein Series
January 19, 2024 Ran Azouri (Sorbonne Paris North University)
Enumerating motivic nearby cycles
January 26, 2024 Paul Ziegler (TU Darmstadt) (as an exception: in room S215 244)
Doing geometry by counting points
February 2, 2024 Jonathan Miles (University of Frankfurt)
Gluing sheaves along Harder-Narasimhan strata of Bun_2
February 9, 2024 Martin Gallauer (University of Warwick) (via Zoom, as an exception at 14h00)
Motivic tt-geometry
Date Speaker / title
February 17, 2023 Bogdan Zavyalov (Institute for Advanced Study Princeton)
Local Weight-Monodromy Conjecture
February 10, 2023 Zouhang Mao (Institut de Mathématique d'Orsay)
Revisiting derived crystalline cohomology
January 27, 2023 Simon Pepin Lehalleur (University of Amsterdam)
Motives of moduli of bundles on curves
January 20, 2023 Thibaud van den Hove (Technische Universität Darmstadt)
The integral motivic Satake equivalence
December 12-13-15-16, 2022 Ian Gleason (Universität Bonn)
Lecture series on Point-set topology methods in the theory of v-sheaves and diamonds
December 9, 2022 Arnaud Eteve (Sorbonne Université)
Depth zero local Langlands and cohomology of stacks of global shtukas
December 2, 2022 Arnab Kundu (Université Paris-Saclay)
Torsors on Valuation Rings
November 25, 2022 Fabio Tanania (Ludwig-Maximilians-Universität München)
İsotropic motivic homotopy theory
November 11, 2022 Marcin Lara (Goethe Universität Frankfurt)
On the Drinfeld's Lemma for the pro-étale fundamental group
October 21, 2022 Ryosuke Shimada (University of Tokyo)
Semi-modules and crystal bases via affine Deligne-Lusztig varieties