Posted by haifeng on 2011-05-07 15:33:07 last update 0000-00-00 00:00:00 | Edit | Answers (0)
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Posted by haifeng on 2011-05-07 15:42:33
\[\gamma(g)=\Big\lfloor\frac{7}{2}+\frac{1}{2}\sqrt{1+48g}\Big\rfloor\]
其中 $\lfloor x \rfloor$ 表示不超过 $x$ 的最大整数. $\gamma(g)$ 称为 Chromatic Number.