MIT Lie Groups Seminar

Sept 12
CANCELLED

Bertram Kostant
(MIT)

The generalized Cayley map and a separation of variables theorem for reductive Lie groups I (joint with Peter Michor).

Sept 19

Bertram Kostant
(MIT)

The generalized Cayley map and a separation of variables theorem for reductive Lie groups II (joint with Peter Michor).

Sept 26

No Meeting.

Oct 3

Andrei Alexeevski
(Moscow State University)

Classification of maximal commutative subgroups of compact Lie groups.

Oct 10
CANCELLED

Alexi Sevostyanov
(ETH)

Quantum reduction, semi-infinite cohomology and Hecke algebras.

Instead, we have our intrepid leader leaping into the breach to speak on "Admissible nilpotent orbits of real and p-adic split exceptional groups"- after work of Monica Nevins.

Oct 17

Steve DeBacker
(Harvard)

Homogeneity results for reductive p-adic groups.

Oct 24

Vadim Kaloshin
(MIT)

Diophantine properties of elements of SO(3).

Oct 31

Hans Wenzl
(UCSD/Harvard)

On centralizer algebras of Lie algebras of type E_N.

Nov 7

Ian Grojnowski
(Cambridge/Harvard)

The Hodge Theorem and Ramanujan sums.

Nov 14

Jeff Adams
(U.Maryland)

Nov 21

Alexandre Kirillov
(SUNY Stony Brook)

Topic to be announced.

Nov 28

Alex Postnikov
(MIT)

Grassmann Cells and Planar Networks.

This meeting is joint with the Combinatorics Seminar, and will take place at 4:15 in 2-338.

Dec 12

Dmitri Pavouchine
(visiting BU)

Invariants and orbits of the standard SL(4)xSL(4)xSL(2)-module

Feb 6

Eric Sommers
(U.Mass. Amherst)

Local systems on nilpotent orbits and weighted Dynkin diagrams.

Feb 13

Jasper Stokman
(University of Amsterdam)

The Fourier transform associated to the quantum SU(1,1) group.

Feb 20

Giovanni Felder
(ETH Zurich)

Semiclassical deformation quantization and Lie's third theorem for Lie algebroids.

Feb 27

George Lusztig
(M.I.T.)

Homomorphisms of A_5 into reductive groups.

Mar 6

Michael Finkelberg
(U.Mass. Amherst)

Calogero-Moser space and Kostka polynomials.

Mar 13

Victor Ostrik
(M.I.T.)

Tensor categories (after Deligne).

Mar 20

Steve Devlin
(M.I.T.)

Whittaker models for supercuspidal representations of metaplectic groups.

Mar 27

No Seminar.

Apr 3

David Vogan
(M.I.T.)

Intertwining operators and Weyl group representations.

Apr 10

Bertram Kostant
(M.I.T.)

Convexity theorems and partial order on nilpotent elements (based on orbit closures).

Apr 17

Joshua Scott
(M.I.T./Northeastern)

Cluster algebras and Grassmannians.

Apr 24

Adriano Adrega de Moura
(M.I.T.)

Blocks of finite dimensional representations of quantum affine algebras.

May 1

Sergei Loktev
(M.S.R.I.)

Coinvariants and level restricted Kostka polynomials.

May 8

No seminar

Do the decent thing and go and hear MacPherson.

May 15

Norman Wilberger
(U.N.S.W.)

Quarks, diamonds, and unexpected symmetries.

Joint with the combinatorics seminar.