Carmen Amarra

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We examine the class of G-arc-transitive graphs with at least one nontrivial complete normal quotient, such that all other normal quotients are either complete or empty graphs. Such graphs arise naturally as basic graphs under normal quotient analysis on families of arc-transitive graphs. We construct all such graphs Γ , together with the corresponding(More)
Symmetric graphs of diameter 2 with complete normal quotients Carmen Amarra University of Western Australia, Australia mcamarra@maths.uwa.edu.au A graph has diameter 2 if it is not a complete graph and if every pair of nonadjacent vertices is joined by a path of length 2. Our general problem is to examine the overall structure of graphs which are both(More)
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