2 search results - page 1 / 1 » Slopes of Tilings |
CORR
2010
Springer
13 years 1 months ago
2010
Springer
We study here slopes of periodicity of tilings. A tiling is of slope if it is periodic along direction but has no other direction of periodicity. We characterize in this paper th...
COMBINATORICS
2002
13 years 4 months ago
2002
In 1906 Axel Thue showed how to construct an infinite non-repetitive (or squarefree) word on an alphabet of size 3. Since then this result has been rediscovered many times and ext...