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The 1-2-3-conjecture holds for dense graphs
Authors:Liang Zhong
Affiliation:Center for Discrete Mathematics, Fuzhou University, Fuzhou, China
Abstract:This paper confirms the 1-2-3-conjecture for graphs that can be edge-decomposed into cliques of order at least 3. Furthermore we combine this with a result by Barber, Kühn, Lo, and Osthus to show that there is a constants urn:x-wiley:03649024:media:jgt22413:jgt22413-math-0001 such that every graph urn:x-wiley:03649024:media:jgt22413:jgt22413-math-0002 with urn:x-wiley:03649024:media:jgt22413:jgt22413-math-0003 and urn:x-wiley:03649024:media:jgt22413:jgt22413-math-0004, where urn:x-wiley:03649024:media:jgt22413:jgt22413-math-0005 is the minimum degree of urn:x-wiley:03649024:media:jgt22413:jgt22413-math-0006 satisfying the 1-2-3-conjecture.
Keywords:1-2-3-conjecture  dense graphs  -edge weightings
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