Augmented eccentric connectivity index of single defect nanocones

Document Type : Original Article


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

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


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 .

Graphical Abstract

Augmented eccentric connectivity index of single defect nanocones


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Volume 1, 1-2
June 2011
Pages 25-31
  • Receive Date: 05 January 2011
  • Revise Date: 06 February 2011
  • Accept Date: 10 March 2011
  • Publish Date: 01 June 2011