MIT Lie Groups Seminar

Sept 5

David Vogan
(MIT)

Realizing smooth representations

Sept 12

David Vogan
(MIT)

Looking for Mr. Goodbar

Sept 19

Roman Bezrukavnikov
(MIT)

A categorification of Vogan character duality for quasi-split real groups

Sept 26

No meeting

Oct 3

Salah Mehdi
(Metz)

Spectrum of pseudo-Riemannian locally symmetric spaces

Followed by dinner.

Oct 10

Salah Mehdi
(Metz)

Dirac cohomology, index polynomial and translation functors

Oct 17

No meeting

Oct 24

Vidya Venkateswaran
(MIT)

Symmetric and nonsymmetric Hall-Littlewood polynomials of type BC

Oct 31

Bart Van Steirteghem
(Medgar Evers College)

The weight monoids of smooth affine spherical varieties

Followed by dinner.

Nov 7

Carl Mautner
(Harvard)

Parity sheaves.

Followed by dinner.

Nov 14

Julee Kim
(MIT)

On the character of unipotent representations

Nov 21

Anton Khoroshkin
(SUNY Stony Brook)

Duality theorems for Weyl modules and Macdonald polynomials

Followed by dinner.

Nov 28

Ben Elias
(MIT)

The Hodge theory of Soergel bimodules

Dec 5

Carl Wang Erickson
(Harvard)

Moduli spaces of representations and pseudorepresentations

Followed by dinner.

Dec 12

Vadim Gorin
(MIT)

Asymptotic representation theory of groups GL(n,q) as rank n goes to infinity

Feb 6

Geordie Williamson
(MPI Bonn)

Kazhdan-Lusztig polynomials, Soergel bimodules and some Hodge theory I

Followed by dinner.

Feb 13

Geordie Williamson
(MPI Bonn)

Kazhdan-Lusztig polynomials, Soergel bimodules, and some Hodge theory II.

Feb 20

Ivan Loseu
(Northeastern University)

Dimensions of irreducible modules over W-algebras

Feb 27

George Lusztig
(MIT)

Unipotent almost characters of simple p-adic groups

Mar 6

Reda Chhaibi
(University of Zurich)

Littelmann path model for geometric crystals and Archimedean Whittaker functions as geometric characters

Followed by dinner.

Mar 13

David Vogan
(MIT)

Extended reductive groups and representation theory

Mar 20

George Lusztig
(MIT)

Unipotent almost characters of simple $p$-adic groups, II

This talk is a continuation of the talk I gave three weeks earlier, but that talk will serve only as motivation and not as a prerequisite for this talk.

Mar 27

SPRING BREAK: NO MEETING

Apr 3

Xuhua He
(Hong Kong University of Science and Technology)

Affine Weyl groups, affine Hecke algebras and affine Deligne-Lusztig varieties

Apr 10

Pavle Pandzic
(University of Zagreb)

Dirac cohomology for modules without infinitesimal character

Followed by dinner.

Apr 17

Avraham Aizenbud
(MIT)

Representation count, rational singularities of deformation varieties, and pushforward of smooth measures

Slides

Apr 24

Avraham Aizenbud
(MIT)

Representation count, rational singularities of deformation varieties, and pushforward of smooth measures continued

Slides

May 1

SIMONS LECTURE by Emmanuel Candes: no meeting

May 8

SIMONS LECTURE by Raphael Rouquier: no meeting