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pro vyhledávání: '"H. S. Boregowda"'
Autor:
R. B. Jummannaver, H. S. Boregowda
Publikováno v:
Journal of Applied Mathematics and Computing. 67:579-603
In this paper, we introduce a new matrix for a graph G in which i th row sum and i th column sum are both equal to neighbors degree sum of i th vertex and define a new variant of graph energy called neighbors degree sum energy $$E_{N} (G)$$ of a grap
Publikováno v:
Proceedings of the National Academy of Sciences, India Section A: Physical Sciences. 91:79-88
The first general Zagreb index $$M^{\alpha }_{1}(G)$$ of a graph G is equal to the sum of the $$\alpha $$ th powers of the vertex degrees of G. For $$\alpha \ge 0$$ and $$k \ge 1$$ , we obtain the lower and upper bounds for $$M^{\alpha }_{1}(G)$$ and
Publikováno v:
Journal of Ultra Chemistry. 13:81-87
Publikováno v:
Discussiones Mathematicae Graph Theory, Vol 39, Iss 2, Pp 505-517 (2019)
Let G = (V, E) be a connected graph with vertex set V (G) and edge set E(G). The product connectivity Banhatti index of a graph G is defined as, PB(G)=∑ue1dG(u)dG(e)$PB(G) = \sum\nolimits_{ue} {{1 \over {\sqrt {{d_G}(u){d_G}(e)} }}}$ where ue means