Spectra of Graphs - Hardcoverby Andries E. Brouwer (Author), Willem H. Haemers (Author) This book gives an elementary treatment of the basic material about graph spectra, both for ordinary, and Laplace and Seidel spectra. The text progresses systematically, by covering standard topics before presenting some new material on trees, strongly regular graphs, two graphs, association schemes, p ranks of configurations and similar topics. Exercises at the end of each chapter provide