Half-transitive graphs of order a product of two distinct primes * |
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| Authors: | Ru-Ji Wang |
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| Affiliation: | Department of Mathematics , Normal Branch of Beijing Teachers College , Beijing, 100053, People's Republic of China |
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| Abstract: | A simple undirected graph X is said to be ½-transitive if the automorphism group AutX of X acts transitively onthe vertices and edges, but not on the arcs of X. In this pape we determine all ½-transitive graphs of order a product of two distinct primes |
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| Keywords: | Jacobian ideal Koszul dual |
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