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Monday, July 6, 2020

Monday, July 6, 2020 — 11:30 to 11:30 AM EDT

Title: A covering graph perspective on Huang’s theorem 

Speaker: Maxwell Levit Affiliation: University of Waterloo Zoom: Contact Soffia Arnadottir

Abstract:

Just about a year ago, Hao Huang resolved the sensitivity conjecture by proving that any induced subgraph on more than half the vertices of the hypercube $Q_n$ has maximum degree at least $\sqrt(n)$. The key ingredient in his proof is a special $\pm 1$ signing of the adjacency matrix of $Q_n$.

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