Remark on Forgotten Topological Index of a Line Graph


  • Igor Z. Milovanović
  • M. M. Matejić
  • Rmina I. Milovanović


Let G be a simple connected graph with n vertices and m edges
and let d(e1) > d(e2) > > d(em) be edge degree sequence of graph G.
Denote by EF = Σm i=1 d(ei)3 reformulated forgotten index of G. Lower and upper bounds for the invariant EF are obtained.


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