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This paper introduces a variant of entropy measures based on vertex eccentricity and applies it to all graphs representing the isomers of octane. Taking into account the vertex degree as well (degree-ecc-entropy), we find a good correlation with the acentric factor of octane isomers. In particular, we compute the degree-ecc-entropy for three classes of dendrimer graphs.


This article was originally published in Axioms, available at doi:10.3390/axioms8030098.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (



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