AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:10:01
1999 Fall Eastern Sectional Meeting
Providence, RI, October 23, 1999
Meeting #947
Associate secretaries: Lesley M Sibner, AMS lsibner@duke.poly.edu
Special Session on Geometry and Representation Theory of Algebraic Groups

Saturday October 2, 1999, 9:00 a.m.10:50 a.m.
Special Session on Geometry and Representation Theory of Algebraic Groups
Room 328, Harkins Hall
Organizers:
James E. Humphreys, University of Massachusetts jeh@math.umass.edu
Ivan Mirkovic, University of Massachusetts mirkovic@math.umass.edu

9:00 a.m.
Traces of intertwiners for quantum groups and difference equations.
Pavel I Etingof*, MIT
Alexander N Varchenko, UNC at Chapel Hill
(94717100) 
9:30 a.m.
Integral properties of the modular functor.
Alexander Jr. Kirillov*, SUNY Stony Brook
(94714153) 
10:00 a.m.
Algebraic Construction of the Uhlenbeck Space.
Vladimir Baranovsky*, University of Chicago
(94714136) 
10:30 a.m.
Verma modules for $\hat{gl_n}$ and Hall algebras.
Alexander G Kuznetsov*, Independent Moscow University
(94722151)

9:00 a.m.

Saturday October 2, 1999, 2:30 p.m.4:50 p.m.
Special Session on Geometry and Representation Theory of Algebraic Groups
Room 328, Harkins Hall
Organizers:
James E. Humphreys, University of Massachusetts jeh@math.umass.edu
Ivan Mirkovic, University of Massachusetts mirkovic@math.umass.edu

2:30 p.m.
Geometry and unrestricted representations.
Dmitriy Rumynin*, University of Warwick
(9471746) 
3:00 p.m.
Structure of some Springer fibers of $\mathfrak{gl}_n(\mathbb{C})$ and relations to KazhdanLusztig theory.
Francis Y. Fung*, Odyssey Research Associates
(94714121) 
3:30 p.m.
Cohomology of tilting modules and equivariant Ktheory of the nilpotent cone.
Viktor Ostrik*, Independent Moscow University
(9471754) 
4:00 p.m.
Affine Springer Fibers and Cartans of Loop Groups.
David D BenZvi*, University of Chicago
(94714113) 
4:30 p.m.
Character sheaves on Drinfeld's spaces.
Dennis Gaitsgory*, Harvard University
(94714133)

2:30 p.m.

Sunday October 3, 1999, 9:00 a.m.10:50 a.m.
Special Session on Geometry and Representation Theory of Algebraic Groups
Room 328, Harkins Hall
Organizers:
James E. Humphreys, University of Massachusetts jeh@math.umass.edu
Ivan Mirkovic, University of Massachusetts mirkovic@math.umass.edu

9:00 a.m.
Conjugacy classes in parabolic subgroups of general linear groups.
Scott H Murray*, University of Chicago
(9472060) 
9:30 a.m.
Certain "abstract" homomorphisms of Chevalley groups.
Lucy Lifschitz*, University of Virginia
Andrei S Rapinchuk, University of Virginia
(94720115) 
10:00 a.m.
A homological interpretation of Jantzen's sum formula.
Upendra B Kulkarni*, University of Massachusetts, Amherst
(94720145) 
10:30 a.m.
Some new applications of endomorphism algebras to representation theory.
Brian Parshall*, University of Virginia
(94720149)

9:00 a.m.

Sunday October 3, 1999, 2:30 p.m.4:50 p.m.
Special Session on Geometry and Representation Theory of Algebraic Groups
Room 328, Harkins Hall
Organizers:
James E. Humphreys, University of Massachusetts jeh@math.umass.edu
Ivan Mirkovic, University of Massachusetts mirkovic@math.umass.edu

2:30 p.m.
Polar varieties in classical Lie algebras.
Mikhail Grinberg*, MIT
(9472248) 
3:00 p.m.
Principal nilpotent pairs in a semisimple Lie algebra.
Victor Ginzburg*, University of Chicago
(94717110) 
3:30 p.m.
Generalized character sums associated to regular prehomogeneous vector spaces over finite fields.
David Kazhdan, Harvard University
Alexander Polishchuk*, Boston University
(94714105) 
4:00 p.m.
Normalized intertwining operators and crystals.
Alexander Braverman*, Massachusetts Institute of Techonology
(94722155) 
4:30 p.m.
Discussion.

2:30 p.m.