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The Number of 4-Colorings of the Hamming Cube
Israel Journal of Mathematics ( IF 1 ) Pub Date : 2020-03-01 , DOI: 10.1007/s11856-020-1984-1
Jeff Kahn , Jinyoung Park

Let Q d be the d -dimensional hypercube and N = 2 d . We prove that the number of (proper) 4-colorings of Q d is asymptotically 6e2 N , as was conjectured by Engbers and Galvin in 2012. The proof uses a combination of information theory (entropy) and isoperimetric ideas originating in work of Sapozhenko in the 1980’s.

中文翻译:

汉明立方体的四色数

令 Q d 为 d 维超立方体且 N = 2 d 。我们证明了 Q d 的(适当的)4-着色的数量是渐近 6e2 N ,正如 Engbers 和 Galvin 在 2012 年所推测的那样。该证明结合了信息论(熵)和源自 Sapozhenko 工作的等周思想1980年代。
更新日期:2020-03-01
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