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Slopes of 3-dimensional Subshifts of Finite Type

06/19/2018

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by Etienne Moutot, et al.

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In this paper we study the directions of periodicity of three-dimensional subshifts of finite type (SFTs) and in particular their slopes. A configuration of a subshift has a slope of periodicity if it is periodic in exactly one direction, the slope being the angle of the periodicity vectors. In this paper, we prove that any Σ^0_2 set may be realized as a a set of slopes of an SFT.

Etienne Moutot
6 publications
Pascal Vanier
4 publications

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