Majority adder implementation by competing patterns in life-like rule B2/S2345
Martinez, G. J. , Morita, K. , Adamatzky, A. and Margenstern, M. (2010) Majority adder implementation by competing patterns in life-like rule B2/S2345. Lecture Notes in Computer Science, 6079. pp. 93-104. ISSN 0302-9743
Publisher's URL: http://www.springerlink.com/content/105633/
In this paper we present a two-dimensional chaotic cellular automaton, the Life rule B2/S2345, able to simulate the action of an adder with majority gates, stimulated by gliders collisions transformed as competing patterns. Values of Boolean variables are encoded into two types of patterns --- symmetric (FALSE) and asymmetric (TRUE) patterns -- which compete for the `empty' space when propagate in the channels. We construct basic logical gates and elementary arithmetical circuits by simulating logical signals with gliders reaction propagating geometrically restricted by stationary non-destructible still life. Therefore an implementation of universal logical gates and a majority binary adder is constructed
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