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Reading Seminar: More sheaf theory and Verma modules

Reading Seminar: More sheaf theory and Verma modules

Event Category:

Representation Theory

Speaker:
Tom Braden and Owen Gwilliam

Institution:
UMass

The first part of this talk will be a continuation by TB of last week's talk, explaining how the Decomposition Theorem is used to prove the relation between stalks of intersection cohomology and Kazhdan-Lusztig polynomials for finite Weyl groups. With any remaining time OW will begin explaining the relation between KL polynomials and multiplicities in Verma modules for semisimple Lie algebras.

Monday, November 27, 2023 - 2:00pm

LGRT 1621

## Department of Mathematics and Statistics