Contact Info
Combinatorics & Optimization
University of Waterloo
Waterloo, Ontario
Canada N2L 3G1
Phone: 519-888-4567, ext 33038
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Thursday, October 3, 2019 1:00 PM EDT
Title: Type II Matrices
Speaker: Ada Chan Affiliation: York University Room: MC 5479Abstract:
In 1867, Sylvester defined an {\sl inverse orthogonal matrix} as an $n\times n$ complex matrix $W$ satisfying
Thursday, October 3, 2019 3:00 PM EDT
Title: Discrete diffusion on graphs and real hyperplane arrangements
Speaker: David Wagner Affiliation: University of Waterloo Room: MC 6483Abstract:
In 2016, Duffy et al. introduced the following process on a graph. Initially, each vertex has some integer number of ``chips'' placed there (possibly negative).
Thursday, October 3, 2019 4:00 PM EDT
Title:
Speaker: Lise Turner Affiliation: University of Waterloo Room: MC 5501Abstract:
There are several different notions of what it means for a graph to converge. One popular notion for sparse graphs is Benjamini-Schramm convergence which focuses on local properties of the graphs.