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- W4298241204 abstract "Topological indices have important role in theoretical chemistry for QSPR researches. Among the all topological indices the Randi'c and the Zagreb indices have been used more considerably than any other topological indices in chemical and mathematical literature. Most of the topological indices as in the Randi'c and the Zagreb indices are based on the degrees of the vertices of a connected graph. Recently novel two degree concepts have been defined in graph theory; ev-degrees and ve-degrees. In this study we define ev-degree Zagreb index, ve-degree Zagreb indices and ve-degree Randi'c index by using these new graph invariants as parallel to their corresponding classical degree versions. We compare these new group ev-degree and ve-degree indices with the other well-known and most used topological indices in literature such as; Wiener, Zagreb and Randi'c indices by modelling some physicochemical properties of octane isomers. We show that the ev-degree Zagreb index, the ve-degree Zagreb and the ve-degree Randi'c indices give better correlation than Wiener, Zagreb and Randi'c indices to predict the some specific physicochemical properties of octanes. We investigate the relations between the second Zagreb index and ev-degree and ve-degree Zagreb indices and some mathematical properties of ev-degree and ve-degree Zagreb indices. Keywords:" @default.
- W4298241204 created "2022-10-01" @default.
- W4298241204 creator A5029442473 @default.
- W4298241204 date "2017-01-11" @default.
- W4298241204 modified "2023-10-16" @default.
- W4298241204 title "Predicting some physicochemical properties of octane isomers: A topological approach using ev-degree and ve-degree Zagreb indices" @default.
- W4298241204 doi "https://doi.org/10.48550/arxiv.1701.02859" @default.
- W4298241204 hasPublicationYear "2017" @default.
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