Kirchhoff index of composite graphs

Authors:
Heping Zhang;Yujun Yang;Chuanwen Li
Affiliations:
School of Mathematics and Statistics, Lanzhou University, Lanzhou, Gansu 730000, PR China;School of Mathematics and Statistics, Lanzhou University, Lanzhou, Gansu 730000, PR China;School of Mathematics and Statistics, Lanzhou University, Lanzhou, Gansu 730000, PR China
Venue:
Discrete Applied Mathematics
Year:
2009

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Abstract

Let G"1+G"2, G"1@?G"2 and G"1{G"2} be the join, corona and cluster of graphs G"1 and G"2, respectively. In this paper, Kirchhoff index formulae of these composite graphs are given.