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arxiv: 0708.2956 · v2 · submitted 2007-08-22 · 🧮 math.CO

At Least Half Of All Graphs Satisfy chi leq {1/4}ω + {3/4}Delta + 1

classification 🧮 math.CO
keywords deltagraphsleastomegasatisfyboundgraphhalf
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We prove that for any graph G at least one of G or $\bar{G}$ satisfies $\chi \leq {1/4}\omega + {3/4}\Delta + 1$. In particular, self-complementary graphs satisfy this bound.

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