Harmonic Index and Harmonic Polynomial on Graph Operations
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DOI: 10.3390/sym10100456
Abstract: Some years ago, the harmonic polynomial was introduced to study the harmonic topological index. Here, using this polynomial, we obtain several properties of the harmonic index of many classical symmetric operations of graphs: Cartesian product,… read more here.
Keywords: harmonic polynomial; index; harmonic index; product ... See more keywords