MIT Lie Groups Seminar

Sept 13

Kyo Nishiyama
(Kyoto University)

Theta lifts of holomorphic discrete series and the geometry of nilpotent orbits.

Sept 20

Vyjayanthi Chari
(University of California Riverside)

The fermionic formula and the conjecture of Kirillov and Reshetikhin.

Sept 27

Bertram Kostant
(MIT)

On Peterson's 2^l abelian ideals theorem, the cohomology of loops(K), and MacDonald's eta function formula I.

Oct 4

Bertram Kostant
(MIT)

On Peterson's 2^l abelian ideals theorem, the cohomology of loops(K), and MacDonald's eta function formula II.

Oct 11

Bertram Kostant
(MIT)

On Peterson's 2^l abelian ideals theorem, the cohomology of loops(K), and MacDonald's eta function formula III.

Oct 18

David Vogan
(MIT)

The Huang-Pandzic theorem for Dirac cohomology.

Oct 25

Toshi Kobayashi
(Tokyo and Harvard)

Discontinuous subgroups for non-Riemannian homogeneous spaces.

Nov 1

A. Braverman
(MIT)

Gamma-sheaves on reductive groups.

Nov 8

David Renard
(Poitiers)

Genuine representations of the metaplectic group (joint with P. Trapa).

Nov 15

Pramod Achar
(MIT)

Equivariant coherent sheaves on the nilpotent cone in GL(n,C).

Nov 22

Anthony Henderson
(MIT)

Spherical functions for the symmetric space GL(n,F_{q^2})/GL(n,F_q).

Nov 29

No meeting.

Dec 6

No meeting.

Feb 7

Thom Pietraho
(MIT)

Orbital varieties in classical Lie algebras.

Feb 14

Peter Trapa
(Harvard)

Partial orders on components of the Springer fiber and applications.

Feb 21

Joseph Johnson

Twisted Euler-Poincare characteristics of complex algebraic groups.

Feb 28

Viktor Ostrik
(MIT)

Asymptotic Hecke algebras and central sheaves.

Mar 7

Bertram Kostant
(MIT)

The Weyl algebra and the structure of all Lie superalgebras of Riemannian type.

Mar 14

Benjamin Enriquez
(ENS Paris)

Quantum groups associated with complex curves.

Mar 21

Valerio Toledano
(MSRI)

A Kohno-Drinfeld theorem for quantum Weyl groups.

Mar 28

No meeting (Spring Break)

Don't forget to attend Lafforgue's Simons Lectures (March 28,29,30 in Room 2-190 at 2pm).

Apr 4

Toshiyuki Kobayashi
(University of Tokyo and Harvard)

Conformal geometry and analysis on the minimal representation of O(p,q).

Apr 11

Gordan Savin
(University of Utah and Harvard)

A theory of modular forms on G_2.

Apr 18

Gordan Savin
(University of Utah and Harvard)

A notion of N-rank for exceptional groups.

Apr 25

David Vogan
(MIT)

Branching theorems for compact symmetric spaces (after A. Knapp).

May 2

D. Timashev
(visiting MIT)

Affine embeddings with finitely many orbits.

May 9

George Lusztig
(MIT)

Rationality properties of unipotent representations

May 16

Martin Andler
(Université de Versailles)

Invariant distributions and Kontsevich's deformation quantization.

Jun 1

Masato Okado
(Osaka University)

Conjectures on fermionic formulas.