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Expansive dynamics on locally compact groups

Part of: Connections with other structures, applications Topological dynamics

Published online by Cambridge University Press:  18 November 2020

BRUCE P. KITCHENS
BRUCE P. KITCHENS*
Affiliation:
Indiana University–Purdue University Indianapolis, Indianapolis, IN 46202, USA
*
e-mail: bkitchen@iupui.edu
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Abstract

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Let $\mathcal {G}$ be a second countable, Hausdorff topological group. If $\mathcal {G}$ is locally compact, totally disconnected and T is an expansive automorphism then it is shown that the dynamical system $(\mathcal {G}, T)$ is topologically conjugate to the product of a symbolic full-shift on a finite number of symbols, a totally wandering, countable-state Markov shift and a permutation of a countable coset space of $\mathcal {G}$ that fixes the defining subgroup. In particular if the automorphism is transitive then $\mathcal {G}$ is compact and $(\mathcal {G}, T)$ is topologically conjugate to a full-shift on a finite number of symbols.

Keywords

automorphismslocally compact groupssymbolic dynamics

MSC classification

Primary: 37B10: Symbolic dynamics
Secondary: 54H11: Topological groups

Information

Type
Original Article
Information
Ergodic Theory and Dynamical Systems , Volume 41 , Issue 12 , December 2021 , pp. 3768 - 3779
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Copyright
© The Author(s), 2020. Published by Cambridge University Press

References

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