A. R. ASHRAFI and F. REZAEI (2007) PI index of polyhex nanotori

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PI index of polyhex nanotori

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CONTRIBUTORS:

	Author:	A. R. ASHRAFI
	Author:	F. REZAEI

JOURNAL:

Match, 57(1), 243 - 250.

YEAR:

2007

PUB TYPE:

Journal Article

SUBJECT(S):

chemistry - mathematical

DISCIPLINE:

Chemistry

HTTP:

http://lori.academicdirect.org/cites/52.pdf

LANGUAGE:

English

PUB ID:

103-436-122 (Last edited on 2007/07/09 08:28:06 GMT-6)

SPONSOR(S):

ABSTRACT:
The Padmakar-Ivan (PI) index of a graph G is defined as PI(G) = ЗФ[neu(e|G)+ nev(e|G)], where neu(e|G) is the number of edges of G lying closer to u than to v, nev(e|G) is the number of edges of G lying closer to v than to u and summation goes over all edges of G. In this paper, the PI index of a polyhex nanotorus T is computed. We prove that: (Equation Presented).

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