On edge transitive circulant graphs (Q1922155)

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scientific article; zbMATH DE number 927032
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English
On edge transitive circulant graphs
scientific article; zbMATH DE number 927032

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    On edge transitive circulant graphs (English)
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    15 September 1996
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    This paper classifies those circulant graphs for which both the graph and its complement are edge-transitive. The author shows that such a graph must be either a disjoint union of copies of a complete graph, or the complement of such a disjoint union, or a Paley graph on a prime number of vertices. The proof is short, using a result of Schur on Burnside groups and a result of Chao on symmetric graphs with prime order. A digraph version of the result is also given.
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    circulant graphs
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    complement
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    Paley graph
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    symmetric graphs
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    digraph
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