alexa Abstract | Cluj-Ilmenau index of hexagonal trapezoid system Tb,a and triangular benzenoid Gn

Journal of Chemical and Pharmaceutical Research
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Let G(V,E) be a connected molecular graph without multiple edges and loops, with the vertex set V(G) and edge set E(G), and vertices/atoms x,yÎV(G) and an edge/bond xyÎE(G). Let m(G,c) be the number of qoc strips of length c (i.e. the number of cut-off edges) in the graph G. The Omega Polynomial Ω(G,x) and the Cluj-Ilmenau index CI(G) for counting qoc strips in G were defined by M.V. Diudea as Ω(G,x)= ( , ) x c Σm G c c and CI(G)=[Ω(G,x)’2- Ω(G,x)’-Ω(G,x)”]x=1, respectively. In this paper, we compute an exact formula of these counting topological polynomial and its index for the Benzenoid molecular graphs “Hexagonal Trapezoid system Tb,a and Triangular Benzenoid Gn”

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Author(s): Mohammad Reza Farahani M R Rajesh Kanna and R Pradeep Kumar


Omega polynomial Ω(G,x), Cluj-Ilmenau index CI(G), Molecular graph, Hexagonal Trapezoid system., hexagonal

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