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Zhang, Weilin; You, Lihua; Liu, Hechao; Huang, Yufei
Applied mathematics and computation, 12/2021, Letnik: 411Journal Article
This article is devoted to establish the distributions for Sombor indices in a general random chain, in which their explicit analytical expressions of the expected values and variances are obtained. As applications, these results for random hexagonal, random phenylene, random polyphenyl and random spiro chains are given. Finally, the distributions for the Sombor indices in these four random chains are asymptotic to normal distributions is shown.
