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Xu, Wenqin; Du, Shaofei; Kwak, Jin Ho; Xu, Mingyao
Journal of combinatorial theory. Series B, March 2015, 2015-03-00, Letnik: 111Journal Article
Regular covers of complete graphs whose fibre-preserving automorphism groups act 2-arc-transitively are investigated. Such covers have been classified when the covering transformation groups K are cyclic groups Zd for an integer d≥2, metacyclic abelian groups Zp2, or nonmetacyclic abelian groups Zp3 for a prime p (see S.F. Du et al. (1998) 5 for the first two metacyclic group cases and see S.F. Du et al. (2005) 3 for the third nonmetacyclic group case). In this paper, a complete classification is achieved of all such covers when K is any metacyclic group.
