Geodesic
Sombor index - one year later
Bulletin de l'Académie serbe des sciences. Classe des sciences mathématiques et naturelles, Tome 45 (2020), p. 43 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

The Sombor index $(SO)$ is a vertex--degree--based graph invariant, invented in the Summer of 2020, and made publicly available in early 2021. In less than one year, a remarkable number (almost fifty) research papers on this topological index were produced. In the present article, we summarize the results achieved so far, and offer a few more.
Classification : 05C07, 05C09, 05C92
Keywords: Sombor index, degree (of vertex), chemical graph theory 
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     title = {Sombor index - one year later},
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Ivan Gutman. Sombor index - one year later. Bulletin de l'Académie serbe des sciences. Classe des sciences mathématiques et naturelles, Tome 45 (2020), p. 43 . http://geodesic.mathdoc.fr/item/BASS_2020_45_a2/