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Khadikar P.V.,Laxmi Fumigation and Pest Control Pvt. | Ashrafi A.R.,University of Kashan | Diudea M.V.,Babes - Bolyai University | Aziz S.,Devi Ahilya University | And 4 more authors.
Journal of Computational and Theoretical Nanoscience | Year: 2013

The paper describes the calculation of a new topological index called Sadhana index, abbreviated as Sd. This index is found very useful for studying problems related to carbon-nanotubes (CNTs). It is a very simple W-Sz-PI-type topological index obtained by summing the number of edges on both sides of the elementary cuts of benzenoid graphs. However, unlike Wiener index, Sadhana index is applicable to cyclic graphs only. The Sd index has the similar discriminating power as that of Wiener (W), Szeged (Sz) and Padmakar-Ivan (PI) indices. Copyright © 2013 American Scientific Publishers.

Mehranian Z.,University of Kashan | Ashrafi A.R.,University of Kashan | Khadikar P.V.,Laxmi Fumigation and Pest Control Pvt. | Aziz S.,Devi Ahilya University | And 3 more authors.
Studia Universitatis Babes-Bolyai Chemia | Year: 2012

The revised Szeged index is a recently introduced topological index. In this paper, the revised Szeged index of TC4C8(R) nanotorus is computed.

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