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Ma, Xuanlong; Wang, Kaishun
Discussiones Mathematicae. Graph Theory, 11/2016, Letnik: 36, Številka: 4Journal Article
For any positive integer k, let A denote the set of finite abelian groups G such that for any subgroup H of G all Cayley sum graphs CayS(H, S) are integral if |S| = k. A finite abelian group G is called Cayley sum integral if for any subgroup H of G all Cayley sum graphs on H are integral. In this paper, the classes A and A are classified. As an application, we determine all finite Cayley sum integral groups.
