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 -