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Eccentricity based topological indices of some graphs
(Işık University Press, 2020)
Topological indices are real numbers that are presented as graph parameters introduced during studies conducted on the molecular graphs in chemistry and can describe some physical and chemical properties of molecules. In ...
Hub-integrity polynomial of graphs
(Işık University Press, 2020)
Graph polynomials are polynomials assigned to graphs. Interestingly, they also arise in many areas outside graph theory as well. Many properties of graph polynomials have been widely studied. In this paper, we introduce a ...
Topological indices of Sierpi?ski Gasket and Sierpi?ski Gasket Rhombus graphs
(Işık University Press, 2022)
Sierpi?ski graphs S(n, k) were defined originally in 1997 by Sandi Klav?ar and Uroš Milutinovi?. In this paper atom bond connectivity index, fourth atom bond connectivity indices, geometric arithmetic index, fifth geometric ...
Neighborhub number of graphs
(Işık University Press, 2022)
Let G be a graph. A neighborhub set (n-hub set) S of G is a set of vertices with the property that for any pair of vertices outside of S, there is a path between them with all intermediate vertices in S and G = S Uv?S < ...
Amplified eccentric connectivity index of graphs
(Işık University Press, 2022)
A new distance based graphical index, coined as amplified eccentric connectivity index, has been established and the formulae to calculate the amplified eccentric connectivity index of some standard graphs, Dutch windmill ...