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arxiv: 0912.0683 · v2 · submitted 2009-12-03 · 🧮 math.CO

The last fraction of a fractional conjecture

classification 🧮 math.CO
keywords deltaconjectureeveryfractionalvarepsiloncaseschromaticconjectured
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Reed conjectured that for every $\varepsilon>0$ and every integer $\Delta$, there exists $g$ such that the fractional total chromatic number of every graph with maximum degree $\Delta$ and girth at least $g$ is at most $\Delta+1+\varepsilon$. The conjecture was proven to be true when $\Delta=3$ or $\Delta$ is even. We settle the conjecture by proving it for the remaining cases.

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