35 research outputs found

    There exists no tetravalent half-arc-transitive graph of order 2p2

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    AbstractA graph is half-arc-transitive if its automorphism group acts transitively on its vertex set, edge set, but not arc set. In this paper, we show that there is no tetravalent half-arc-transitive graph of order 2p2

    Partial line graph operator and half-arc-transitive group actions

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