MIT Lie Groups Seminar

Sept 7

David Vogan
(MIT)

Kazhdan-Lusztig polynomials for involutions

Sept 14

Avraham Aizenbud
(MIT)

Derivatives for representations of GL(n,R) and GL(n,C)

Sept 21

David Kazhdan
(Hebrew University)

Endoscopic decomposition and the Bernstein center

FOLLOWED BY DINNER at Rubin's, 500 Harvard St, Brookline.

Sept 28

Eric Rains
(Caltech and MIT)

Vanishing integrals for Macdonald polynomials

Oct 5

Eric Marberg
(MIT)

Character constructions for finite algebra groups

Oct 12

Eric Marberg
(MIT)

Character constructions for finite algebra groups II

Oct 19

Michele Vergne
(Jussieu)

Box splines and branching rules

Followed by dinner.

Oct 26

David Vogan
(MIT)

Left cells and Harish-Chandra cells of Weyl group representations

Nov 2

Tsao-Hsien Chen
(MIT)

Gamma-sheaves on reductive groups

Nov 9

NO MEETING

Nov 16

David Vogan
(MIT)

Left cells and Harish-Chandra cells of Weyl group representations II

Nov 23

Eric Rains
(Caltech and MIT)

Coxeter group actions with Bruhat orders

Nov 30

No meeting

Dec 7

Dan Ciubotaru
(University of Utah)

The Dirac operator and spin representations of Weyl groups

Followed by dinner.

Dec 14

George Lusztig
(MIT)

A bar operator for involutions in a Coxeter group

Feb 8

Bertram Kostant
(MIT)

Center of U(n), cascade of orthogonal roots, and a construction of Wolf-Lipsman.

Feb 15

David Helm
(UT Austin)

The Bernstein center of the category of smooth $W(k)[GL_n]$-modules.

Followed by dinner.

Feb 22

Eric Sommers
(UMass Amherst)

On a duality for nilpotent orbits arising from two maps.

Followed by dinner.

Feb 29

Benjamin Enriquez
(Strasbourg)

Drinfeld associators, braid groups, and the Kashiwara-Vergne conjecture

Followed by dinner.

Mar 7

Vinoth Nandakumar
(MIT)

Equivariant coherent sheaves on the exotic nilpotent cone

Mar 14

David Vogan
(MIT)

What the local Langlands correspondence can do for you.

Mar 21

Mar 28

SPRING BREAK: NO MEETING

Apr 4

Anthony Licata
(Stanford/IAS/Australian National University)

Categorification of the basic representation.

Followed by dinner.

Apr 11

Simon Riche
(Universite Blaise Pascal - Clermont-Ferrand II)

Geometric Satake, Springer correspondence, and small representations

Followed by dinner.

Apr 18

Roman Travkin
(MIT)

Quantum geometric Langlands correspondence in positive characteristic: the GL(N) case.

Apr 25

Alexander Braverman
(Brown University)

Computing the Tamagawa number for affine Kac-Moody groups

May 2

Alex Lubotzky gives Simons lecture: no meeting.

May 9

Shamgar Gurevich
(University of Wisconsin)

The Heisenberg–Weil representation and fast wireless communication

Followed by dinner.

May 16

George Lusztig
(MIT)

A unipotent support for character sheaves