Augmented eccentric connectivity index of single defect nanocones

نویسندگان

1 Department of Mathematics, Payame Noor University (PNU), Aran&Bidgol, 87415141, I. R. Iran

2 Faculty of Civil Engineering, University of Zagreb, Kaciceva 26, 10000 Zagreb, CROATIA

doi
10.22061/jmns.2011.460
چکیده

We present explicit formulas for the values of augmented eccentric connectivity indices of single-defect nanocones. Our main result is that the augmented eccentricity index of an n-layer nanocone with a single k-gonal defect at its apex behaves asymptotically 27k(1- ln 2)n for k ≥ 5 .