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math.CO2026
On Arc-Transitive Regular Covers of Cubic Edge-Primitive Graphs
Feng Deng, Jing Jian Li, Yu Wang +1
We determine, up to isomorphism of the covering graphs, the connected arc-transitive regular covers of cubic edge-primitive graphs whose covering transformation group is cyclic or…
math.CO2026
Prime-valent Symmetric Cayley Graphs of Characteristically Simple Groups
Feng Deng, Jing Jian Li, Hao Yu
Let $\Ga$ be a connected prime-valent -arc-transitive Cayley graph of a finite characteristically simple group , where . We obtain a precise structural…