Published: 2015-04-28

Preface special volume on the Conference on Graph Theory, Matrix Theory and Interactions

Sebastian M. Cioaba, Ram Murty, Bryan L Shader, Claude Tardif, Kevin N. Vander Meulen, David Wehlau

1-3

Godsil-McKay switching and isomorphism

Aida Abiad, Andries E. Brouwer, Willem H. Haemers

4-11

Graphs with many valencies and few eigenvalues

Edwin van Dam, Jack H. Koolen, Zheng-Jiang Xia

12-24

Square roots of doubly regular tournament matrices

Ilhan Hacioglu, T. S. Michael, Serhat Ozdemir

79-82

Sparse spectrally arbitrary patterns

Brydon Eastman, Bryan L Shader, Kevin N. Vander Meulen

83-98