An infinite series of regular edge- but not vertex-transitive graphs
نویسندگان
چکیده
منابع مشابه
An infinite series of regular edge- but not vertex-transitive graphs
Let n be an integer and q be a prime power. Then for any 3 ≤ n ≤ q − 1, or n = 2 and q odd, we construct a connected q-regular edgebut not vertextransitive graph of order 2qn+1. This graph is defined via a system of equations over the finite field of q elements. For n = 2 and q = 3, our graph is isomorphic to the Gray graph.
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In this paper, we examine the structure of vertexand edge-transitive strongly regular graphs, using normal quotient reduction. We show that the irreducible graphs in this family have quasiprimitive automorphism groups, and prove (using the Classification of Finite Simple Groups) that no graph in this family has a holomorphic simple automorphism group. We also find some constraints on the parame...
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ژورنال
عنوان ژورنال: Journal of Graph Theory
سال: 2002
ISSN: 0364-9024,1097-0118
DOI: 10.1002/jgt.10064