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arxiv: 1103.3917 · v3 · pith:TOTVW73Snew · submitted 2011-03-21 · 🧮 math.CO

Large chromatic number and Ramsey graphs

classification 🧮 math.CO
keywords chromaticgraphsnumberramseyalbeitcasecliquedenote
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Let Q(n,c) denote the minimum clique size an n-vertex graph can have if its chromatic number is c. Using Ramsey graphs we give an exact, albeit implicit, formula for the case c is at least (n+3)/2.

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