Seminar
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Location: | SLMath: Eisenbud Auditorium |
Keywords and Mathematics Subject Classification (MSC)
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I will introduce ideal webs = ideal bipartite graphs on decorated surfaces. They are the simplest possible higher rank analogs of ideal triangulations of decorated surfaces.
I will explain how to use them to define cluster atlases on several flavors of character varieties for the groups of type A_m, equivariant under the action of the mapping class group, and how to define a related family of 3d Calabi-Yau categories, also equivariant under the action of the mapping class group.
It is an expository talk, mostly following arXiv:1607.05228
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