Monday, September 26, 2022

Monday, September 26, 2022 — 11:30 to 11:30 AM EDT

Title: Automorphisms of direct products of some circulant graphs

Speaker: Dave Witte Morris Affiliation: University of Lethbridge Location: contact Sabrina Lato for Zoom link

Abstract: The direct product of two graphs X and Y is denoted X x Y. Its automorphism group contains a copy of the direct product of Aut(X) and Aut(Y), but it is not known when this inclusion is an equality, even for the special case where X is a circulant graph and Y = K_2 is a connected graph with only 2 vertices.

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