The Bounds of Vertex Padmakar–Ivan Index on k-Trees
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DOI: 10.3390/math7040324
Abstract: The Padmakar–Ivan ( P I ) index is a distance-based topological index and a molecular structure descriptor, which is the sum of the number of vertices over all edges u v of a graph such… read more here.
Keywords: ivan index; padmakar ivan; index trees; bounds vertex ... See more keywords