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On some leap indices of Polycyclic Aromatic Hydrocarbons (PAHs)

2020; Taylor & Francis; Volume: 23; Issue: 6 Linguagem: Inglês

10.1080/09720529.2020.1816696

2169-0065

Fatima Asif, Zohaib Zahid, Murat Cancan,

Free Radicals and Antioxidants

Graph invariants are numerical values assigned to some molecular graph GM to characterize its topological properties. The second neighbourhood or a 2 –distance degree of any vertex v in a graph GM is the cardinality of its second neighbors. In this research article, we formulated some expressions for the leap Zagreb indices, leap hyper-indices and F – leap indices, depending on the second degree of a vertex, of a family of a molecular graph called Polycyclic Aromatic Hydrocarbons PAHs.