Volume 18, Issue 1 (4-2023)                   IJMSI 2023, 18(1): 41-54 | Back to browse issues page

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Topological indices are widely used as mathematical tools to analyze different types of graphs emerged in a broad range of applications. The Hyper-Zagreb index (HM) is an important tool because it integrates the first two Zagreb indices. In this paper, we characterize the trees and unicyclic graphs with the first four and first eight greatest HM-value, respectively.
Type of Study: ECWMC 2018 | Subject: Special

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