References
- Constantine , G. M. 1983 . Schur convex functions on the spectra of graphs . Discrete Math , 45 : 181 – 188 .
- Cvetkovi[cgrave] , D. M. , Doob , M. and Sachs , H. 1979 . Spectra of Graphs , New York : Academic Press .
- Fiedler , M. 1973 . Algebraic connectivity of graphs . Czech. Math. J. , 23 : 298 – 305 .
- Fiedler , M. 1975 . A property of eigenvectors of nonnegative symmetric matrices and its application to graph theory . Czech. Math. J. , 25 : 619 – 633 .
- Grone , R. , Merris , R. and Sunder , V. S. 1975 . The Laplacian spectrum of a graph , 25 to appear
- Marshall , A.W. and Olkin , I. Inequalities: Theory of Majorization and Its Applications
- Merris , R. 1989 . An edge version of the matrix-tree Theorem and the wiener index . Linear and Multilinear Algebra , 25 : 291 – 296 .
- Schwenk , A.J. 1973 . Almost all trees are cospectral, in New Directions in the Theory of Graphs , 275 – 307 . New York : Academic Press .