"

Cookies ussage consent

Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.

Computing the GA index of nanotubes and nanotori

H. SHABANI1, A. R. ASHRAFI1,*

Affiliation

  1. Department of Mathematics, Statistics and Computer Science, Faculty of Science, Kashan 87317-51167, I. R. Iran Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan 87317-51167, I.

Abstract

The GA index of a molecular graph G is defined as the sum of all deg(u) deg(v) deg(u)deg(v) + 2 over all edges e = uv of G, where deg(u) denotes the degree of vertex u in G. In this paper the GA index of some nanotubes and nanotori are computed.

Keywords

Nanotube, Nanotorus, GA index.

Citation

H. SHABANI, A. R. ASHRAFI, Computing the GA index of nanotubes and nanotori, Optoelectronics and Advanced Materials - Rapid Communications, 4, 11, November 2010, pp.1860-1862 (2010).

Submitted at: Sept. 1, 2010

Accepted at: Nov. 10, 2010