Abstract
In this note, we use techniques in the topology of 2-complexes to recast some tools that have arisen in the study of planar tiling questions. With spherical pictures, we show that the tile counting group associated to a set
Citation
Michael P. Hitchman. "The topology of tile invariants." Rocky Mountain J. Math. 45 (2) 539 - 564, 2015. https://doi.org/10.1216/RMJ-2015-45-2-539
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