Algebraic Geometry Seminar Fall 2017
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The seminar meets on Fridays at 2:25 pm in Van Vleck B321.
Here is the schedule for the previous semester.
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Fall 2017 Schedule
| date | speaker | title | host(s) |
|---|---|---|---|
| September 15 | Michael Brown (UW-Madison) | Topological K-theory of equivariant singularity categories | local |
Abstracts
Michael Brown
Topological K-theory of equivariant singularity categories
This is joint work with Tobias Dyckerhoff. Topological K-theory of complex-linear dg categories is a notion introduced by Blanc in his recent article "Topological K-theory of complex noncommutative spaces". In this talk, I will discuss a calculation of the topological K-theory of the dg category of graded matrix factorizations associated to a quasi-homogeneous polynomial with complex coefficients in terms of a classical topological invariant of a complex hypersurface singularity: the Milnor fiber and its monodromy.