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On Harmonic Index Some Special Graphs with Certain Vertex Gluing Graphs

Author: Haneen Kareem Aljanabi
Journal: Journal of Kufa for Mathematics and Computer مجلة الكوفة للرياضيات والحاسوب ISSN: 11712076 Year: 2018 Volume: 5 Issue: 2 Pages: 6-12
Publisher: University of Kufa جامعة الكوفة


The stability of cycloalkanes strain energy, branched alkanes and linear alkanes, can be reasonablymodeled using the harmonic index (H), which is commonly defined as H(G)Σ where d(u) denotes thevertex degree of u in graph G. In the current work, public equation is derived to the H index of vertex gluing andcertain graphs.

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