Applicable Analysis and Discrete Mathematics 2007 Volume 1, Issue 2, Pages: 420-426
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Some new integral graphs

Indulal G., Vijayakumar A.

The eigenvalue of a graph is the eigenvalue of its adjacency matrix. A graph G is integral if all of its eigenvalues are integers. In this paper some new classes of integral graphs are constructed.

Keywords: Adjacency matrix, eigenvalue, integral graphs