MIT Lie Groups Seminar

Sept 3

Jun Yu
(MIT)

Subgroups with the same spectrum

Sept 10

Arkady Berenstein
(University of Oregon)

Hall algebras and canonical bases

Based on joint work with Jacob Greenstein and Dylan Rupel.

Followed by dinner.

Sept 17

Tristan Bozec
(MIT)

Varieties of representations of quivers with loops.

Sept 24

David Vogan
(MIT)

Matrices almost of order two.

Oct 1

David Vogan
(MIT)

Matrices almost of order two, part 2.

Oct 8

Alexander Braverman
(Brown University)

Local L-factors and perverse sheaves on some loop spaces.

Followed by dinner.

Oct 15

George Lusztig
(MIT)

On the characters of certain irreducible modular representations.

Oct 22

Andreas Arvanitoyeorgos
(University of Patras and Tufts University)

Homogeneous Einstein metrics on flag manifolds and Stiefel manifolds

Followed by dinner.

Oct 29

Cheng-Chiang Tsai
(Harvard)

Local character expansions of supercuspidal representations

Followed by dinner.

Nov 5

Francisco Munoz
(Yale)

Nilpotents orbits for some classical groups and classification problems

Followed by dinner.

Nov 12

Pham Tiep
(University of Arizona and Harvard)

Representations and subgroup structure of simple groups

Followed by dinner.

Nov 19

Monica Nevins
(University of Ottawa)

Branching to a maximal compact subgroup for depth zero supercuspidal representations

Followed by dinner.

Nov 26

No meeting.

Dec 3

Ori Parzan
(IAS)

Combinatorics of Ramanujan complexes.

Followed by dinner.

Feb 4

Laura Rider
(MIT)

Mixed, derived, and generalized Springer correspondence

Feb 11

Laura Rider
(MIT)

Mixed, derived, and generalized Springer correspondence (continued)

Feb 18

Sean Clark
(Northeastern)

Quantum shuffles and Lie superalgebras of basic type

Followed by dinner.

Feb 25

Omer Tamuz
(MIT)

Stabilizer rigidity in irreducible actions of semi-simple Lie groups

Joint work with Yair Hartman.

Mar 4

Alexei Oblomkov
(UMass Amherst)

Cohomology of the homogeneous Hitchin fibers and representation theory of Cherednik algebras

Followed by dinner.

Mar 11

David Vogan
(MIT)

Coherent sheaves on nilpotent cones

Mar 18

Koichi Kaizuka
(Gakushin University)

Asymptotic properties of solutions of the Helmholtz equation on symmetric spaces of noncompact type

Followed by dinner.

Mar 25
Meet during Spring Break!

Gestur Olafsson
(LSU)

Reflection positivity: representation theory meets quantum field theory

Followed by dinner.

Apr 1

David Vogan
(MIT)

Coherent sheaves on nilpotent cones II

Apr 8

Sigurdur Helgason
(MIT)

Spherical Functions and Radon Transforms

Apr 15

Seminar holiday

Apr 22

No meeting

Apr 29

Ivan Loseu
(Northeastern)

Bernstein inequality and holonomic modules

May 6

Harold Williams
(UT Austin)

Cluster Algebras as Microlocal Knot Invariants

Followed by dinner.

May 13

Anne-Marie Aubert
(Institut de Mathematiques de Jussieu)

Extended quotients and local Langlands correspondence

Followed by dinner.