Abstract. In this paper, the following problem is considered: does there exist a 𝑡-arc-transitive regular covering graph of an 𝑠-arc-transitive graph for positive integers 𝑡 greater than 𝑠? In ...
Back in the hazy olden days of the pre-2000s, navigating between two locations generally required someone to whip out a paper map and painstakingly figure out the most optimal route between those ...
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