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Seminar

QS - Seminar: On the braid group representations coming from weakly group-theoretical fusion categories March 05, 2020 (02:00 PM PST - 04:30 PM PST)
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Location: MSRI: Simons Auditorium
Speaker(s) Dmitri Nikshych (University of New Hampshire)
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This is a report on the joint work with Jason Green. We prove that representations of the braid groups coming from weakly group-theoretical braided fusion categories have finite images. This extends a result of Etingof, Rowell, and Witherspoon from 2007. The proof uses some invariants of graded categories that are interesting in their own right.

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