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On an infinite class of non-bipartite and non-cayley graphs having 2-arc transitive automorphism groups |
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| Authors: | Luz R. Nochefranca |
| Affiliation: | (1) Department of Mathematics, University of the Philippines, Diliman, Quezon City, Philippines |
| Abstract: | Letq be a prime of the formq = 40x + 13,q = 40x + 27,q = 40x + 37, orq = 40x + 43. Then a connected, undirected, 4-valent, non-bipartite graph on whichPSL2(q) acts 2-arc transitively is non-Cayley. |
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