À propos de cet article
Publié en ligne: 04 août 2016
Pages: 23 - 35
Reçu: 28 nov. 2014
DOI: https://doi.org/10.1515/tmmp-2016-0002
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© 2016
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
We investigate some properties of functions belonging to the Zahorski classes. In particular, we answer the question: Is it possible to find close to a function from ith Zahorski class (i = 1, 2, 3, 4, 5) a function belonging to exactly the same Zahorski class and having a special (local) properties connected with the entropy?