Block approximations for probabilistic mixtures of elementary cellular automata

Emilio N.M. Cirillo, Giacomo Lancia and Cristian Spitoni

Physica A: Statistical Mechanics and its Applications, 2024, vol. 654, issue C

Abstract: Probabilistic Cellular Automata are a generalization of Cellular Automata. Despite their simple definition, they exhibit fascinating and complex behaviours. The stationary behaviour of these models changes when model parameters are varied, making the study of their phase diagrams particularly interesting. The block approximation method, also known in this context as the local structure approach, is a powerful tool for studying the main features of these diagrams, improving upon Mean Field results. This work considers systems with multiple stationary states, aiming to understand how their interactions give rise to the structure of the phase diagram. Additionally, it shows how a simple algorithmic implementation of the block approximation allows for the effective study of the phase diagram even in the presence of several absorbing states.

Keywords: Probabilistic cellular automata; Synchronization; Stationary measures; Block approximation (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:654:y:2024:i:c:s0378437124006599

DOI: 10.1016/j.physa.2024.130150

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