A simple method for simultaneous estimation of Wiener (W) and Szeged (Sz) indices of benzenoids

R.esearch Division, Laxmi Fumigation and Pest Control (P) Ltd., 3, Khatipura, Indore-452 007, Madhya Pradesh, India

Institute of Engineering and Technology, Devi Ahilya Vishwavidyalaya, Indore-452 017, Madhya Pradesh, India

E-mail : dheeraj_ m@sancharnet. in

Manuscript received 24 November 2003, accepted 16 February 2006

This paper describes a simple method for the simultaneous estimation of Wiener ($W$) and Szeged ($Sz$) indices for henzenoid systems using elementary cut method. The method is extended to cyclic graphs containing acyclic (treelike) side chains.