MIT Lie Groups Seminar

Sept 4

Peter Trapa
(Utah/Harvard)

Restrictions on characteristic cycles of Harish-Chandra modules (Part 1).

Sept 11

Peter Trapa
(Utah/Harvard)

Restrictions on characteristic cycles of Harish-Chandra modules (Part 2).

Sept 18

Maxim Vybornov
(MIT)

Quiver varieties and infinite Grassmannians of type A (joint with Ivan Mirkovic).

Sept 25

V. Lakshmibai
(Northeastern)

A standard monomial basis for the variety of nilpotent matrices.

(This seminar is a joint meeting with the combinatorics seminar and will meet at 4:15 in 2-338.)

Oct 2

Konni Rietsch
(King's College London)

Total positivity and the Peterson variety.

Oct 9

David Vogan
(MIT)

Shimura correspondence for spherical representations of split real groups.

Oct 16

Dan Barbasch
(Cornell University)

Affine graded Hecke algebras and the spherical unitary dual for real reductive groups.

Followed by dinner.

Oct 23

Michael Shapiro
(Michigan State)

Cluster algebras and Poisson geometry.

(This seminar is a joint meeting with the combinatorics seminar and will meet at 4:15 in 2-338.)

Oct 30

Pavle Pandzic
(Zagreb)

Dirac cohomology and u cohomology.

Followed by dinner.

Nov 6

James Arthur
(Toronto)

Representations of classical groups.

Followed by dinner.

Nov 13

Greg Warrington
(University of Massachusetts, Amherst)

Kazhdan-Lusztig polynomials and counterexamples to the 0-1 conjecture.

(This seminar is a joint meeting with the combinatorics seminar but will meet at the usual time and place, 4:30 in 2-147.)

Nov 20

No meeting this week.

Nov 27

Marty Weissman
(Harvard)

The Fourier-Jacobi Map and Small Representations.

Followed by dinner.

Dec 4

Benedict Gross
(Harvard)

The exceptional series and its descendants.

Dec 11

Viktor Ostrik
(MIT)

Non-semisimple tensor categories.

Feb 5

George McNinch
(Notre Dame)

Arithmetic nilpotent orbits for reductive groups in positive characteristic.

Followed by dinner.

Feb 12

Alexander Braverman
(Harvard)

From automorphic sheaves to Drinfeld shtukas (joint work with Y.Varshavsky).

Followed by dinner.

Feb 19

Bertram Kostant
(MIT)

Recent developments on powers of the Dedekind function and representation theory.

Feb 26

Angela Pasquale
(Technische Universitat Clausthal)

Harmonic analysis of Theta-spherical functions.

Followed by dinner.

Mar 5

Alexander Polishchuk
(Boston University)

Spherical vectors in minimal representations.

Followed by dinner.

Mar 12

David Vogan
(MIT)

A blip in the Shimura correspondence for F4 (joint with Dan Barbasch).

Mar 19

Gordan Savin
(Utah)

Correspondences of representations of real groups arising from Arthur packets

Followed by dinner.

Mar 26

No meeting (Spring Break).

Apr 2

No meeting.

Apr 9

Alan Roche
(Oklahoma)

Hecke algebras and representations of reductive p-adic groups.

This seminar will meet at 3pm in 2-132!

Apr 16

George Lusztig
(MIT)

Conjugacy classes in the DeConcini-Procesi compactification.

Apr 23

Pavel Etingof
(MIT)

Representations of Cherednik algebras.

Apr 30

Shrawan Kumar
(North Carolina)

An induction functor in non-commutative equivariant cohomology and Dirac cohomology.

Followed by dinner.

May 7

Oleg Chalykh
(Loughborough University)

Quasi-invariants of Weyl groups and an elementary proof of Macdonald's conjectures.

Followed by dinner.

May 14

No meeting.

May 21

Roger Zierau
(Oklahoma State)

The Dirac operator on reductive homogeneous spaces.