Contents

Ars Combinatoria

  • Research article

Theorems About \(PI\) Indices

Jianxiu Hao1
1Institute of Mathematics, Physics and Information Sciences, Zhejiang Normal University, P. O. Box: 321004, Jinhua, Zhejiang, P.R. China;
  • Published: 31/07/2012

Abstract

The Padmakar-Ivan \((PI)\) index is a Wiener-Szeged-like topological index. In this paper, we study the \(PI\) index of thorn graphs, and we present a generally useful method which can reduce the computational amount of \(PI\) index strikingly.

Citation
Jianxiu Hao. Theorems About \(PI\) Indices[J], Ars Combinatoria, Volume 106. 521-526. .