Extremal hyper-Zagreb index of trees of given segments with applications to regression modeling in QSPR studies
Introduced by Gutman & Trinajstić in 1972, the two well-known Zagreb indices efficiently determine the total π-electron energy of alternant hydrocarbons. The hyper-Zagreb index is a variant of the classical first Zagreb index. A tree is an acyclic graphical structure. A segment in a tree is...
Main Authors: | Sakander Hayat, Muhammad Adil Khan, Asad Khan, Haziq Jamil, Muhammad Yasir Hayat Malik |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2023-10-01
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Series: | Alexandria Engineering Journal |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1110016823007366 |
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