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math.CO2006
Upper Bounds on the Automorphism Group of a Graph
Ilia Krasikov, Arie Lev, Bhalchandra D. Thatte
We give upper bounds on the order of the automorphism group of a simple graph
math.CO2005
Kocay's lemma, Whitney's theorem, and some polynomial invariant reconstruction problems
Bhalchandra D. Thatte
Given a graph G, an incidence matrix N(G) is defined for the set of distinct isomorphism types of induced subgraphs of G. If Ulam's conjecture is true, then every graph invariant m…