Contact Info
Combinatorics & Optimization
University of Waterloo
Waterloo, Ontario
Canada N2L 3G1
Phone: 519-888-4567, ext 33038
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Thursday, December 12, 2019 1:00 PM EST
Title: Graph covers with two new eigenvalues
Speaker: Olha Silina Affiliation: University of Waterloo Room: MC 5479Abstract:
I am going to talk about graph covers. If $Y$ is a cyclic cover of $X$, it turns out that $Y$ has the same spectrum as $X$ plus (possibly) some new eigenvalues.
Thursday, December 12, 2019 3:00 PM EST
Title: OutFn, M_gn and renormalized topological field theory
Speaker: Michael Borinsky Affiliation: Nikhef Room: MC 5417Abstract:
I will report on recent joint work with Karen Vogtmann on the Euler characteristic of Out(F_n) and the moduli space of graphs.