A class of nonsofic multidimensional shift spaces
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Abstract:
In one dimension, sofic shifts are fairly well understood and are special examples of shift spaces which must satisfy very restrictive properties. However, in multiple dimensions there are very few known conditions which guarantee nonsoficity of a shift space. In this paper, we show that for any $\mathbb {Z}^d$ sofic shift $X$ which satisfies a uniform mixing condition called block gluing in all directions $\vec {e_2}, \ldots , \vec {e_d}$, the set of legal rows of $X$ in the $\vec {e_1}$-direction has a synchronizing word. This allows us to define a (new) large class of nonsofic $\mathbb {Z}^d$ shift spaces.References
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Additional Information
- Ronnie Pavlov
- Affiliation: Department of Mathematics, University of Denver, 2360 S. Gaylord Street, Denver, Colorado 80208
- MR Author ID: 845553
- Email: rpavlov@du.edu
- Received by editor(s): March 25, 2011
- Received by editor(s) in revised form: August 2, 2011
- Published electronically: July 31, 2012
- Communicated by: Bryna Kra
- © Copyright 2012
American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication. - Journal: Proc. Amer. Math. Soc. 141 (2013), 987-996
- MSC (2010): Primary 37B50; Secondary 37B10, 37A15
- DOI: https://doi.org/10.1090/S0002-9939-2012-11382-6
- MathSciNet review: 3003690