A Note on Wiener Indices of Unicyclic Graphs

Zhibin Du1, Bo Zhou1
1Department of Mathematics, South China Normal University, Guangzhou 510631, P. R. China

Abstract

The Wiener index of a connected graph is defined as the sum of all distances between unordered pairs of vertices. We determine the unicyclic graphs of given order, cycle length and number of pendent vertices with minimum Wiener index.