Thursday, October 24, 2019

Thursday, October 24, 2019 — 1:00 PM EDT

Title: Perfect state transfer on Hadamard diagonalizable graphs

Speaker: Xiaohong Zhang Affiliation: University of Waterloo Room: MC 5479

Abstract:

A (weighted) graph whose Laplacian matrix is diagonalizable by a Hadamard matrix is said to be Hadamard diagonalizable.

Thursday, October 24, 2019 — 3:00 PM EDT

Title: Boundary measurement and sign variation in real projective space

Speaker: John Machacek Affiliation: York University Room: MC 5417

Abstract:

Thursday, October 24, 2019 — 4:00 PM EDT

Title: Sublinear separators in intersection graphs of convex shapes

Speaker: Rose McCarty Affiliation: University of Waterloo Room: MC 5501

Abstract: 

A balanced separator of an n-vertex graph is set of vertices whose deletion leaves only components of size at most 2n/3.

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