Total Edge Irregularity Strength of Large Graphs

preprint2010arXivOpen access

Abstract

Let m:=∣E(G)∣m:=|E(G)| sufficiently large and s:=(m−1)/3s:=(m-1)/3. We show that unless the maximum degree Δ>2sΔ> 2s, there is a weighting w:E∪V→{0,1,...,s}w:E\cup V\to \{0,1,...,s\} so that w(uv)+w(u)+w(v)≠w(u′v′)+w(u′)+w(v′)w(uv)+w(u)+w(v)\ne w(u'v')+w(u')+w(v') whenever uv≠u′v′uv\ne u'v' (such a weighting is called {\em total edge irregular}). This validates a conjecture by Ivanco and Jendrol' for large graphs, extending a result by Brandt, Miskuf and Rautenbach.

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