Algebra Seminar
(Mon 3:30-4:30pm, Kap 265)
Organizer: Cris Negron
Topics include (but are not limited to):
Algebra, representation theory, algebraic and arithmetic geometry, homotopy theory, and mathematical physics.
Fall 2024
| Date | Location | Speaker | Title and abstract |
|---|---|---|---|
| Sep 9 | |||
| Sep 16 | |||
| Sep 23 | Robert Cass (U Michigan) | Integral motives on affine flag varieties Abstract: A result of Bezrukavnikov gives two categorical incarnations of the affine Hecke algebra, and can be viewed as a geometric Langlands correspondence in the tamely ramified case. I will discuss progress toward an enhancement of this result to mixed sheaves with integral coefficients. This includes motivic versions of the geometric Satake equivalence and Gaitsgory's central functor, which categorify the center of the affine Hecke algebra. This is joint work with T. van den Hove and J. Scholbach. |
|
| Sep 30 | [canceled] Vyjayanthi Chari (UC Riverside) | ||
| [Friday!] Oct 4 | 2:30 pm, KAP 265 | Eugene Gorsky (UC Davis) | Trace of the affine Hecke category Abstract: The affine Hecke category, defined using affine Soergel bimodules, categorifies the affine Hecke algebra. I will compare the derived horizontal trace of the affine Hecke category with the elliptic Hall algebra, and with the derived category of the commuting stack. In particular, I will describe certain explicit generators for the trace category and some categorical commutation relations between these. This is a joint work with Andrei Negut. |
| Oct 7 | no talk | ||
| Oct 14 | Jacob Greenstein (UC Riverside) | ||
| Oct 21 | Yu Fu (Cal Tech) | ||
| Oct 28 | Alexandra Utiralova (UC Berkeley) | ||
| Nov 4 | Jon Brundan (U Oregon) | ||
| [Friday!] Nov 15 | David Green (Ohio State) |
Spring 2025
| Date | Location | Speaker | Abstract |
|---|---|---|---|
| Feb 10 | |||
| Feb 17 | off | ||
| Feb 24 | |||
| March 3 | |||
| March 10 | |||
| March 17 | spring break | ||
| March 24 | Nathan Geer (Utah State) | ||
| March 31 | |||
| April 7 | |||
| April 14 | |||
| April 21 | |||
| April 28 |
Mailing list: Contact me if you want to be added to the seminar mailing list.
See our friends at the Geometry seminar (M 2:00 pm) and the Combinatorics seminar (W 2:00 pm).