Effective closed subshifts in 1D can be implemented in 2D

Published 16 Mar 2010 in cs.LO, cs.DM, math.CO, and math.DS | (1003.3103v1)

Abstract: In this paper we use fixed point tilings to answer a question posed by Michael Hochman and show that every one-dimensional effectively closed subshift can be implemented by a local rule in two dimensions. The proof uses the fixed-point construction of an aperiodic tile set and its extensions.

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