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arXiv 1903.04541math.CO
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Edge colorings of graphs without monochromatic stars

Lucas Colucci, Ervin Győri, Abhishek Methuku

英文摘要:

In this note, we improve on results of Hoppen, Kohayakawa and Lefmann about the maximum number of edge colorings without monochromatic copies of a star of a fixed size that a graph on $n$ vertices may admit. Our results rely on an improved application of an entropy inequality of Shearer.

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