Mathematics – Combinatorics
Scientific paper
2007-10-30
Mathematics
Combinatorics
9 pages
Scientific paper
In this short note we prove that there is a constant $c$ such that every
k-edge-coloring of the complete graph K_n with n > 2^{ck} contains a K_4 whose
edges receive at most two colors. This improves on a result of Kostochka and
Mubayi, and is the first exponential bound for this problem.
Fox Jacob
Sudakov Benny
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