
doi: 10.37236/576
A graph is called integral, if its adjacency eigenvalues are integers. In this paper we determine integral quartic Cayley graphs on finite abelian groups. As a side result we show that there are exactly $27$ connected integral Cayley graphs up to $11$ vertices.
Graphs and linear algebra (matrices, eigenvalues, etc.), Graphs and abstract algebra (groups, rings, fields, etc.)
Graphs and linear algebra (matrices, eigenvalues, etc.), Graphs and abstract algebra (groups, rings, fields, etc.)
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