2000-2001

September 20*:
**
Vyjayanthi Chari (University of California Riverside),
**
The fermionic formula and the conjecture of Kirillov and Reshetikhin.

September 27:
**
Bertram Kostant (MIT),
**
On Peterson's 2^l abelian ideals
theorem, the cohomology of loops(K), and MacDonald's eta function
formula I.

October 4:
**
Bertram Kostant (MIT),
**
On Peterson's 2^l abelian ideals
theorem, the cohomology of loops(K), and MacDonald's eta function
formula II.

October 11:
**
Bertram Kostant (MIT),
**
On Peterson's 2^l abelian ideals
theorem, the cohomology of loops(K), and MacDonald's eta function
formula III.

October 18:
**
David Vogan (MIT),
**
The Huang-Pandzic theorem for Dirac cohomology.

October 25*:
**
Toshi Kobayashi (Tokyo and Harvard),
**
Discontinuous subgroups for non-Riemannian homogeneous spaces.

November 1:
**
A. Braverman (MIT),
**
Gamma-sheaves on reductive groups.

November 8*:
**
David Renard (Poitiers),
**
Genuine representations of the metaplectic group (joint with P. Trapa).

November 15:
**
Pramod Achar (MIT),
**
Equivariant coherent sheaves on the
nilpotent cone in GL(n,C).

November 22:
**
Anthony Henderson (MIT),
**
Spherical functions for the
symmetric space GL(n,F_{q^2})/GL(n,F_q).

November 29:
**
No meeting.
**

December 6:
**
No meeting.
**

February 7, 2001:
**
Thom Pietraho (MIT),
**
Orbital varieties in classical Lie algebras.

February 14*:
**
Peter Trapa (Harvard),
**
Partial orders on components of the Springer fiber and applications.

February 21*:
**
Joseph Johnson,
**
Twisted Euler-Poincare characteristics of complex algebraic groups.

February 28:
**
Viktor Ostrik (MIT),
**
Asymptotic Hecke algebras and central sheaves.

March 7:
**
Bertram Kostant (MIT),
**
The Weyl algebra and the structure of all Lie superalgebras of
Riemannian type.

March 14*:
**
Benjamin Enriquez (ENS Paris),
**
Quantum groups associated with complex curves.

March 21*:
**
Valerio Toledano (MSRI),
**
A Kohno-Drinfeld theorem for quantum Weyl groups.

March 28:
**
No meeting (Spring Break). Don't forget to attend Lafforgue's Simons Lectures (March 28,29,30 in Room 2-190 at 2pm).
**

April 4:
**
Toshiyuki Kobayashi (University of Tokyo and Harvard),
**
Conformal geometry and analysis on the minimal representation of
O(p,q).

April 11*:
**
Gordan Savin (University of Utah and Harvard),
**
A theory of
modular forms on G_2.

April 18:
**
Gordan Savin (University of Utah and Harvard),
**
A notion of
N-rank for exceptional groups.

April 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.

June 1:
**
Masato Okado (Osaka University),
**
Conjectures on fermionic formulas.