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The generalized Weyl group and applications to rigidity
| Speaker: | Uri Bader (Technion Haifa) |
| Date and Time: | Oct 7, 15:45 |
| Location: | HG G 43 (HWZ) |
Abstract:
Classically, associated with every algebraic group there is a finite group - the Weyl group - which carries a certain amount of information about the algebraic group.
I will explain how one can associate a "generalized Weyl group" with every discrete group in a way "compatible" with the classical one (e.g the Weyl group of SL_3(Z) will be S_3),
and how some information about the representation theory of a group is encoded in its Weyl group.
I will give some example resulting in proving some rigidity properties of groups.
The talk is based on a joint work with Alex Furman.
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