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SUMMARY:Homology of Picture Groups of Type An - Gordana Todorov (Northeast
 ern University)
DTSTART:20211112T161500Z
DTEND:20211112T164500Z
UID:TALK164824@talks.cam.ac.uk
DESCRIPTION:For every quiver of finite representation type we define a fin
 itely presentedgroup called a picture group. This group is very closely re
 lated to the cluster theory of the quiver. The picture group is derived f
 rom the semi-invariantpicture for the quiver. We use this picture to const
 ruct a finite CW complex which is a K(&pi\;\, 1) for this group. In this t
 alk I will describe computation of the cohomology ring of the picture grou
 ps of type An.
LOCATION:Seminar Room 1\, Newton Institute
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