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Cayley graphs of more than one abelian g...
Dobson, Edward...
Cayley graphs of more than one abelian group by Dobson, Edward ( Author )
Australian National University
17-08-2023
We show that for certain integers $n$, the problem of whether or not a Cayley digraph $\Gamma$ of $\mathbb Z_n$ is also isomorphic to a Cayley digraph of some other abelian group $G$ of order $n$ reduces to the question of whether or not a natural subgroup of the full automorphism group contains more than one regular abelian group up to isomorphism (as opposed to the full automorphism group). A necessary and sufficient condition is then given for such circulants to be isomorphic to Cayley digraphs of more than one abelian group, and an easy-to-check necessary condition is provided.
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Article
pdf
30.00 KB
English
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MYR 0.01
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http://arxiv.org/abs/1505.05771
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