Cruz, Roberto; Rada, Juan; Sigarreta, José M. Sombor index of trees with at most three branch vertices. (English) Zbl 1510.05036 Appl. Math. Comput. 409, Article ID 126414, 9 p. (2021). MSC: 05C09 05C05 PDFBibTeX XMLCite \textit{R. Cruz} et al., Appl. Math. Comput. 409, Article ID 126414, 9 p. (2021; Zbl 1510.05036) Full Text: DOI
Cruz, Roberto; Gutman, Ivan; Rada, Juan Sombor index of chemical graphs. (English) Zbl 1508.05028 Appl. Math. Comput. 399, Article ID 126018, 10 p. (2021). MSC: 05C09 05C92 92E10 PDFBibTeX XMLCite \textit{R. Cruz} et al., Appl. Math. Comput. 399, Article ID 126018, 10 p. (2021; Zbl 1508.05028) Full Text: DOI
Cruz, Roberto; Rada, Juan Extremal values of the Sombor index in unicyclic and bicyclic graphs. (English) Zbl 1462.05071 J. Math. Chem. 59, No. 4, 1098-1116 (2021). MSC: 05C09 05C07 05C35 05C92 92E10 PDFBibTeX XMLCite \textit{R. Cruz} and \textit{J. Rada}, J. Math. Chem. 59, No. 4, 1098--1116 (2021; Zbl 1462.05071) Full Text: DOI