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The Abramov-Rokhlin entropy addition formula for amenable group actions

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Abstract

In this note we show that the entropy of a skew product action of a countable amenable group satisfies the classical formula of Abramov and Rokhlin.

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Authors and Affiliations

  1. School of Mathematics, University of East Anglia, NR4 7TJ, Norwich, UK

    Thomas Ward

  2. Department of Mathematics, Ohio State University, 43210, Columbus, OH, USA

    Qing Zhang

Authors
  1. Thomas Ward
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  2. Qing Zhang
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Ward, T., Zhang, Q. The Abramov-Rokhlin entropy addition formula for amenable group actions. Monatsh Math 114, 317–329 (1992). https://doi.org/10.1007/BF01299386

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  • DOI: https://doi.org/10.1007/BF01299386

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