Semiregular automorphisms of cubic vertex-transitive graphs
Morris, Joy · Spiga, Pablo · Verret, Gabriel
Original · EN
We characterise connected cubic graphs admitting a vertex- transitive group of automorphisms with an abelian normal subgroup that is not semiregular. We illustrate the utility of this result by using it to prove that the order of a semiregular subgroup of maximum order in a vertex-transitive group of automorphisms of a connected cubic graph grows with the order of the graph.
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