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The Chromatic Number of the Plane is At Least 5: A New Proof
Discrete & Computational Geometry ( IF 0.8 ) Pub Date : 2019-01-22 , DOI: 10.1007/s00454-019-00058-1
Geoffrey Exoo , Dan Ismailescu

We present an alternate proof of the fact that given any 4-coloring of the plane there exist two points one unit apart which are identically colored.

中文翻译:

平面的色数至少为 5:一个新的证明

我们提出了一个事实的替代证明,即给定平面的任何 4 种颜色,都存在相距一个单位的两个颜色相同的点。
更新日期:2019-01-22
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