TY - JOUR

T1 - Computing the PI index of some chemical graphs related to nanostructures

AU - Ashrafi, A. R.

AU - Vakili-Nezhaad, G. R.

PY - 2006/1/1

Y1 - 2006/1/1

N2 - The Padmakar-Ivan (PI) index of a graph G is defined as PI(G) = ∑[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. The PI Index is a Szeged-like topological index developed very recently. In this paper we report on new results about computing PI index of nanotubes.

AB - The Padmakar-Ivan (PI) index of a graph G is defined as PI(G) = ∑[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. The PI Index is a Szeged-like topological index developed very recently. In this paper we report on new results about computing PI index of nanotubes.

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U2 - 10.1088/1742-6596/29/1/035

DO - 10.1088/1742-6596/29/1/035

M3 - Article

AN - SCOPUS:32144448720

SN - 1742-6588

VL - 29

SP - 181

EP - 184

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - 1

ER -