title: Third-connectivity and third-sum-connectivity indices of circumcoronene series of benzenoid H(k).
abstract: The m-connectivity index and m-sum connectivity index of a connected graph G = (V,E) are (see formula for text) and (see formula for text) where v(i)(1) v(i)2 ... v(i)(m+1), runs over all paths of length m in G and d(i) is the degree of vetex v(i) epsilon V(G). In this paper, we introduce a closed formula of the third-connectivity index and third-sum-connectivity index of molecular graph Circumcoronene Series of Benzenoid H(k) (k > or = 1).
authors.affiliation: Department of Applied Mathematics of Iran University of Science and Technology, (IUST) Narmak, Tehran 16844, Iran. Mr_Farahani@Mathdep.iust.ac.ir
authors.forename: Mohammad Reza
authors.initials: MR
authors.lastname: Farahani