The equivariant Euler characteristic of the Milnor fibre
Speaker: Gus Lehrer
Affiliation: University of Sydney
Abstract
Given a collection A of hyperplanes in $\mathbb{C}^n$, the corresponding Milnor fibre is the hypersurface $\Prod_{H\in A} \alpha_H=1$, where $H= Ker(\alpha_H)$. Its geometry is connected with many deep questions in representation theory and Lie theory. I will explain how to compute its Euler characteristic with local coefficients, and indicate how this leads to a plethora of unsolved problems.
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Talks comprise 45 minutes of speaking time plus five minutes for questions and discussion.
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