The algebraic entropy of one-dimensional finitary linear cellular automata

Daniele Toller, Dikran Dikranjan, Anna Giordano Bruno*, Hasan Akin

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The aim of this paper is to present one-dimensional finitary linear cellular automata S on Zm from an algebraic point of view. Among various other results, we (i) show that the Pontryagin dual SO of S is a classical one-dimensional linear cellular automaton T on Zm; (ii) give several equivalent conditions for S to be invertible with inverse a finitary linear cellular automaton; (iii) compute the algebraic entropy of S, which coincides with the topological entropy of T D SO by the so-called Bridge Theorem. In order to better understand and describe entropy, we introduce the degree deg.S/ and deg.T / of S and T .

Original languageEnglish
JournalJournal of Group Theory
Number of pages44
ISSN1435-4446
DOIs
Publication statusPublished - 2024

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