On the Nullity of Bicyclic Graphs


Jianxi Li and An Chang
Department of Mathematics, Fuzhou University, Fujian 350002, P. R. China

Abstract     Full Text  PDF

The nullity of a graph is the multiplicity of the eigenvalues zero in its spectrum. In this papers, we obtain the nullity set of $n$-vertex bicyclic graphs, and characterize the bicyclic graphs with maximal nullity.