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Geometry and Topology Seminar – Daniel Douglas – Dimers, webs, and local systems
	
 Dec 1, 2022 
 3:30PM to 4:30PM





	





























Date/Time

Date(s) - 01/12/2022
3:30 pm - 4:30 pm





Speaker: Daniel Douglas (Yale)


Title: Dimers, webs, and local systems


Abstract: For a planar bipartite graph G equipped with a SL(n)-local system, we show that the determinant of the associated Kasteleyn matrix counts “n-multiwebs” (generalizations of n-webs) in G, weighted by their web-traces. We use this fact to study random n-multiwebs in graphs on some simple surfaces. This is joint work with Rick Kenyon and Haolin Shi.


Location: HH 312