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Entropy as an integral operator: Erratum and modification

  • Mehdi Rahimi EMAIL logo
Published/Copyright: September 27, 2020
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Abstract

In [Rahimi, M.: Entropy as an integral operator, Math. Slovaca 69(1) (2019), 139–146], we assigned an integral operator on a Hilbert space to any topological dynamical system of finite entropy and stated the entropy of the system in terms of the spectrum of the defined operator. Unfortunately, there is a mistake in the proof of the main theorem of the paper which makes the result incorrect. So, we can not extract the entropy of a topological dynamical system in terms of the spectrum of the introduced operator. In this note, we modify the main theorem of [11] by giving a modification to the proof of the theorem. Then, replacing the integral operator introduced in [11] by another linear operator, we will state the entropy of the system in terms of the spectrum of the new operator.

MSC 2010: 37A35
  1. (Communicated by Marcus Waurick)

Acknowledgement

The author would like to thank the referees for their comprehensive and useful comments which helped the improvement of this work to the present form.

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Received: 2019-05-06
Accepted: 2020-01-30
Published Online: 2020-09-27
Published in Print: 2020-10-27

© 2020 Mathematical Institute Slovak Academy of Sciences

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