MIT Lie Groups Seminar

Sept 15

Pavel Etingof
(MIT)

Hochschild cohomology of preprojective algebras.

Sept 22

Xuhua He
(MIT)

The total positivity of the De Concini-Procesi compactification.

Sept 29 and Oct 6

Dan Ciubotaru
(MIT)

Iwahori-spherical unitary representations for p-adic groups.

Oct 13

No meeting.

Oct 20

Joel Kamnitzer
(Berkeley)

Mirkovic-Vilonen Cycles and Polytopes.

Followed by dinner.

Oct 27

Eric Sommers
(UMass Amherst)

Exponents for ideals of positive roots.

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

Followed by dinner.

Nov 3

Roman Bezrukavnikov
(Northwestern)

Cohomology of tilting modules over quantum groups at roots of unity.

Followed by dinner.

Nov 10

Marie-France Vigneras
(Paris VII and Harvard)

The p-adic Langlands program and affine Hecke algebras.

Nov 17

Pablo Ramacher
(Humboldt University and Northeastern)

Harmonic analysis on affine G-varieties.

Followed by dinner.

Nov 24

Eric Raines
(UC Davis)

BC_n-symmetric polynomials.

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

Dec 1

Bertram Kostant
(MIT)

The Coxeter element and the branching law for finite subgroups of SU(2).

Dec 8

David Vogan
(MIT)

Kazhdan-Lusztig conjecture and signatures of Hermitian forms.

Feb 2

Alexei Oblomkov
(MIT)

Symmetric spaces and orthogonal polynomials in the classical and quantum cases.

Feb 9

Wee Liang Gan
(MIT)

Reflection functors for deformed wreath products of preprojective algebras.

Feb 16

Shrawan Kumar
(UNC)

On the Cachazo-Douglas-Selberg-Witten conjecture for simple Lie algebras.

Followed by dinner.

Feb 23

Dan Ciubotaru
(MIT)

Unitarity of generic spherical parameters and Weyl group representations.

Mar 2

Xuhua He
(MIT)

Unipotent variety in the group compactification.

Mar 9

Bertram Kostant
(MIT)

Gelfand-Zeitlin theory from the perspective of classical mechanics.

Mar 16

David Vogan
(MIT)

Homomorphisms between generalized Verma modules (after Hisayosi Matumoto).

Mar 23

No meeting.

Mar 30

Hongyu He
(Georgia State University)

Invariant tensor products and unitary representations.

Followed by dinner.

Apr 6

George Lusztig
(MIT)

Unipotent elements in small characteristic.

Apr 13, 20, 27

No meeting.

May 4

David Vogan
(MIT)

Hadi Salmasian's notion of rank for unitary representations of simple groups.

May 11

Jing-Song Huang
(Hong Kong University of Science and Technology)

Dirac cohomology and character index of Harish-Chandra modules.

Followed by dinner.

May 18

Michel Duflo
(University of Paris VII)

Associated varieties for representations of Lie superalgebras.

Followed by dinner.