広島大学総合科学部紀要. IV, 理系編 Volume 31
published_at 2005-12

An example of convex heptagon with Heesch number one

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Abstract
We give an example of convex heptagon whose Heesch number is just equal to one, and among fourteen kinds of edge-to-edge coronas of this tile we present some of them, one of which admits a family of continuous deformations.
Keywords
monohedral tiling
convex heptagon
corona
Heesch number