Maxima of the Q-index: Abstract graph properties

Authors

Nair M.M. De Abreu, Universidade Federal do Rio de JaneiroFollow
Vladimir Nikiforov, University of Memphis

Abstract

Let q (G) denote the spectral radius of the signless Laplacian matrix of a graph G, also known as the Q-index of G. The aim of this note is to study a general extremal problem.

Publication Title

Electronic Journal of Linear Algebra

Recommended Citation

De Abreu, N., & Nikiforov, V. (2012). Maxima of the Q-index: Abstract graph properties. Electronic Journal of Linear Algebra, 23, 782-789. https://doi.org/10.13001/1081-3810.1556