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pro vyhledávání: '"R. B. Jummannaver"'
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:
National Academy Science Letters. 42:519-524
The relationship between Randic index, sum-connectivity index, harmonic index and $$\pi $$-electron energy of some benzenoid hydrocarbons is obtained.
Publikováno v:
International Journal of Computer Applications Technology and Research. 5:590-594
The Randic index R(G) of a graph G is defined as the sum of the weights (dG(u)dG(v)) -1/2 over all edges e = uv of G. In this paper we have obtained the Randic index of some class of trees and of their complements. Also further developed an algorithm