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An infinite family of biquasiprimitive 2-arc transitive cubic graphs (1103.5524v1)
Published 29 Mar 2011 in math.GR
Abstract: A new infinite family of bipartite cubic 3-arc transitive graphs is constructed and studied. They provide the first known examples admitting a 2-arc transitive vertex-biquasiprimitive group of automorphisms for which the index two subgroup fixing each half of the bipartition is not quasiprimitive on either bipartite half.