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Xie, Jin-Hua; Feng, Yan-Quan; Ryabov, Grigory; Liu, Ying-Long
Communications in algebra, 20/7/3/, Volume: 50, Issue: 7Journal Article
A Cayley (di)graph of a group G is called normal if the right regular representation of G is normal in the full automorphism group of and a CI-(di)graph if for every Cayley (di)graph implies that there is such that We call a group G an NDCI-group or NCI-group if all normal Cayley digraphs or graphs of G are CI-digraphs or CI-graphs, respectively. We prove that a cyclic group of order n is an NDCI-group if and only if and an NCI-group if and only if either n = 8 or
