2013 | OriginalPaper | Buchkapitel
Adders and Multipliers in Sub-excitable Automata
verfasst von : Andrew Adamatzky
Erschienen in: Reaction-Diffusion Automata: Phenomenology, Localisations, Computation
Verlag: Springer Berlin Heidelberg
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To implement binary arithmetics we employ a cellular-automaton model of an excitable medium — the 2
+
-medium, [2, 3, 8]. The 2
+
-medium is a two-dimensional three-state — resting (·), excited (+) and refractory (–) — cellular automaton where a resting cell becomes excited only exactly two neighbours are excited. The transitions from excited state to refractory state, and from refractory state to resting state are unconditional.