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</script>pmid: 11497739
handle: 10722/43328
The parity of a bit string of length $N$ is a global quantity that can be efficiently compute using a global counter in ${O} (N)$ time. But is it possible to find the parity using cellular automata with a set of local rule tables without using any global counter? Here, we report a way to solve this problem using a number of $r=1$ binary, uniform, parallel and deterministic cellular automata applied in succession for a total of ${O} (N^2)$ time.
Revtex, 4 pages, final version accepted by Phys.Rev.E
FOS: Computer and information sciences, Statistical Mechanics (cond-mat.stat-mech), Theorem Proving, Cellular Automata and Lattice Gases (nlin.CG), Binary Sequences, FOS: Physical sciences, Computational Complexity (cs.CC), Nonlinear Sciences - Adaptation and Self-Organizing Systems, Computer Science - Computational Complexity, Boundary Conditions, Nonlinear Sciences - Cellular Automata and Lattice Gases, Adaptation and Self-Organizing Systems (nlin.AO), Problem Solving, Condensed Matter - Statistical Mechanics
FOS: Computer and information sciences, Statistical Mechanics (cond-mat.stat-mech), Theorem Proving, Cellular Automata and Lattice Gases (nlin.CG), Binary Sequences, FOS: Physical sciences, Computational Complexity (cs.CC), Nonlinear Sciences - Adaptation and Self-Organizing Systems, Computer Science - Computational Complexity, Boundary Conditions, Nonlinear Sciences - Cellular Automata and Lattice Gases, Adaptation and Self-Organizing Systems (nlin.AO), Problem Solving, Condensed Matter - Statistical Mechanics
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