The PI index of phenylenes

The PI index of phenylenes

The Padmakar–Ivan (PI) index is a graph invariant defined as the summation of the sums of n eu (e|G) and n ev (e|G) over all the edges e = uv of a connected graph G, i.e., PI(G) = ∑ e∈E(G)[n eu (e|G) + n ev (e|G)], where n eu (e|G) is the number of edges of G lying closer to u than to v and n ev (e|...

Cur síos iomlán

Sonraí bibleagrafaíochta
Príomhchruthaitheoirí:	Deng, H, Chen, S, Zhang, J
Formáid:	Journal article
Teanga:	English
Foilsithe / Cruthaithe:	Springer Netherlands 2006

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