Seminars & Colloquia Calendar

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Topology/Geometry Seminar

Quotients of surface groups via TQFT

Date & time: Wednesday, 29 March 2017 at 3:30AM - 4:30PM


Thomas Koberda, University of Virginia (NOTE: SPECIAL DAY AND ROOM)

"Quotients of surface groups via TQFT"

Time: 3:30 PM
Location: Hill 101
Abstract: I will show how to construct linear quotients of surface groups which are infinite, and where each simple loop has finite order. As an application, I will construct finite covers of surfaces where the pullbacks of simple loops fail to generate the integral homology. We thus answer questions due to Looijenga.

This represents joint work with R. Santharoubane.

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