Speaker: Peter McNamara, University of Melbourne
Title: Geometric Extension Algebras
Abstract: Geometric extension algebras are convolution algebras in Borel–Moore homology, or equivalently sheaf-theoretic Ext algebras. Interesting examples include KLR and quiver Schur algebras. We discuss how geometric parity vanishing properties are equivalent to representation-theoretic properties of these algebras. Some applications will be discussed if time permits.
Thursday, October 11, 2018 at 2:10pm to 3:30pm
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