İvan Gutman, Željko Tomović
Abstract
The pi-index of the line graph of the molecular graph of an alkane is shown to be related to the pi, Harary, and reciprocal Wiener indices of that alkane. Thus a mathematical relation between several distance-based topological indices is obtained.
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The pi-index of the line graph of the molecular graph of an alkane is shown to be related to the pi, Harary, and reciprocal Wiener indices of that alkane. Thus a mathematical relation between several distance-based topological indices is obtained.
Key concepts: Wiener index, Topological index, Reciprocal, Mathematics, Relation (database), Graph, Alkane, Line graph