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Phase Space Invertible Asynchronous Cellular Automata (1208.2765v1)
Published 14 Aug 2012 in cs.FL, cs.CC, cs.DM, and nlin.CG
Abstract: While for synchronous deterministic cellular automata there is an accepted definition of reversibility, the situation is less clear for asynchronous cellular automata. We first discuss a few possibilities and then investigate what we call phase space invertible asynchronous cellular automata in more detail. We will show that for each Turing machine there is such a cellular automaton simulating it, and that it is decidable whether an asynchronous cellular automaton has this property or not, even in higher dimensions.
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