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For questions about mathematical tiling.

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Can we three-color a tiling of the plane with Smith, Meyers, Kaplan, and Goodman-Strauss's e...

The tiling world is a bit aflutter recently with the drop of Smith, Meyers, Kaplan, and Goodman-Strauss's paper showing an einstein - a simply-connected polygon - that must aperiodically tile the plane … The same question can be asked about the SMKG einstein - can we three-color any tiling with the above 13-gon monotile? If so, can we give an efficient algorithm? …
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