# Cohomology of Arithmetic Groups: Duality, Stability, and Computations

## Videos from BIRS Workshop

, Boston College
- 08:51
Homology of arithmetic groups and Galois representations
, Copenhagen University/ University of Oklahoma
- 09:54
Rognes' connectivity conjecture and the Koszul dual of Steinberg
, University of Toronto
- 11:26
On homological stability for $\mathrm{GL}_n(\mathbb{Z})$
- 15:25
Growth of cohomology in towers and endoscopy
, University of Copenhagen
- 08:49
Stability in the homology of classical groups
, The Ohio State University
- 11:24
Level structures and images of the Steinberg module for surfaces with marked points
, University of Chicago
- 13:56
The stable cohomology of $\mathrm{SL}(\mathbb{F}_p)$
, The University of North Carolina at Greensboro
- 15:21
Cohomology of Congruence Subgroups, Steinberg Modules, and Real Quadratic Fields
, Brown University
- 08:56
The top-weight rational cohomology of $\mathcal{A}_g$
, University of Massachusetts
- 09:58
Modular symbols over function fields
, Princeton University
- 11:23
Binary Quadratic Forms and Hecke Operators for $\mathrm{SL}(2,\mathbb{Z})$
, University of Chicago
- 11:24
Rigidity of moduli spaces
, University of Chicago
- 13:58
Cohomology of Shimura varieties via categorical Langlands
, Massachusetts Institute of Technology
- 14:41
The Galois action on symplectic $K$-theory
, ETH Zürich
- 15:31
High-dimensional rational cohomology of $\operatorname{SL}_n(\mathbb{Z})$ and $\operatorname{Sp}_{2n}(\mathbb{Z})$
Stability results for toroidal compactifications of $\mathcal{A}_g$