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Mixing properties of colourings of the ℤd lattice
Combinatorics, Probability and Computing ( IF 0.9 ) Pub Date : 2020-10-19 , DOI: 10.1017/s0963548320000395 Noga Alon , Raimundo Briceño , Nishant Chandgotia , Alexander Magazinov , Yinon Spinka
Combinatorics, Probability and Computing ( IF 0.9 ) Pub Date : 2020-10-19 , DOI: 10.1017/s0963548320000395 Noga Alon , Raimundo Briceño , Nishant Chandgotia , Alexander Magazinov , Yinon Spinka
We study and classify proper q -colourings of the ℤd lattice, identifying three regimes where different combinatorial behaviour holds. (1) When $q\le d+1$ , there exist frozen colourings, that is, proper q -colourings of ℤd which cannot be modified on any finite subset. (2) We prove a strong list-colouring property which implies that, when $q\ge d+2$ , any proper q -colouring of the boundary of a box of side length $n \ge d+2$ can be extended to a proper q -colouring of the entire box. (3) When $q\geq 2d+1$ , the latter holds for any $n \ge 1$ . Consequently, we classify the space of proper q -colourings of the ℤd lattice by their mixing properties.
中文翻译:
ℤd 晶格的着色混合性质
我们研究和分类适当q - ℤ 的着色d lattice,确定了三种不同组合行为的状态。(1) 当$q\le d+1$ , 存在冻结着色, 即适当q -ℤ的着色d 不能在任何有限子集上修改。(2) 我们证明了一个强大的列表着色性质,这意味着,当$q\ge d+2$ , 任何适当的q -边长盒子边界的着色$n \ge d+2$ 可以扩展到适当的q - 整个盒子的着色。(3) 当$q\geq 2d+1$ , 后者适用于任何$n \ge 1$ . 因此,我们对适当的空间进行分类q - ℤ 的着色d 晶格的混合特性。
更新日期:2020-10-19
中文翻译:
ℤd 晶格的着色混合性质
我们研究和分类适当