On diameter two Cayley graphs

Wei Jin and Li Tan

Applied Mathematics and Computation, 2022, vol. 434, issue C

Abstract: Let X be a Cayley graph whose diameter is 2. Set R:=Aut(X) and w∈V(X). In this paper, it is shown that: for every positive integer m at least 6, there is a such Cayley graph X of m points such that Rw acts transitively in X2(w) but not in X(w); for every positive integer k at least 3, there is a such graph X of valency k such that Rw is transitive in X2(w) but not in X(w).

Keywords: Cayley graph; Diameter; Vertex-transitive (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:434:y:2022:i:c:s0096300322005112

DOI: 10.1016/j.amc.2022.127437

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