Publication
Journal of Statistical Physics
Paper

A Toom rule that increases the thickness of sets

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Abstract

Toom's north-east-self voting cellular automaton rule R is known to suppress small minorities. A variant, R+, is also known to turn an arbitrary initial configuration into a homogeneous one (without changing the ones that were homogeneous to start with). Here it is shown that R+ always increases a certain property of sets called thickness. This result is intended as a step toward a proof of the fast convergence toward consensus under R+. The latter is observable experimentally, even in the presence of some noise. © 1990 Plenum Publishing Corporation.

Date

01 Apr 1990

Publication

Journal of Statistical Physics

Authors

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