# Algebraic Geometry Seminar Fall 2017: Difference between revisions

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!align="left" | host(s) | !align="left" | host(s) | ||

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| | |October 6 | ||

|[http://www.math.wisc.edu/~mkbrown5// Michael Brown (UW-Madison)] | |[http://www.math.wisc.edu/~mkbrown5// Michael Brown (UW-Madison)] | ||

|[[#Michael Brown|Topological K-theory of equivariant singularity categories]] | |[[#Michael Brown|Topological K-theory of equivariant singularity categories]] |

## Revision as of 03:31, 26 August 2017

The seminar meets on Fridays at 2:25 pm in Van Vleck B321.

Here is the schedule for the previous semester.

## Algebraic Geometry Mailing List

- Please join the AGS Mailing List to hear about upcoming seminars, lunches, and other algebraic geometry events in the department (it is possible you must be on a math department computer to use this link).

## Fall 2017 Schedule

date | speaker | title | host(s) |
---|---|---|---|

October 6 | 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.