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arxiv: 1004.4374 · v3 · submitted 2010-04-25 · 🧮 math.CO

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New lower bounds for two color and multicolor Ramsey numbers

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classification 🧮 math.CO
keywords boundscolorlowermulticolornumbersramseybestcyclic
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Using cyclic graphs I give new lower bounds for two color and multicolor Ramsey numbers: R(4,16)>163, R(5,11)>170, R(5,12)>190, R(5,13)>212, R(5,14)>238, R(3,3,9)>117, R(3,3,10)>141 and R(3,3,11)>157. Improving the previous best known bounds.

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