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Uniformly positive entropy of induced transformations

Published online by Cambridge University Press:  28 December 2020

NILSON C. BERNARDES JR
Affiliation:
Departamento de Matemática Aplicada, Instituto de Matemática, Universidade Federal do Rio de Janeiro, Caixa Postal 68530, Rio de Janeiro, RJ 21945-970, Brazil (e-mail: ncbernardesjr@gmail.com)
UDAYAN B. DARJI*
Affiliation:
Department of Mathematics, University of Louisville, Louisville, KY 40208-2772, USA
RÔMULO M. VERMERSCH
Affiliation:
Departamento de Matemática, Centro de Ciências Físicas e Matemáticas, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil (e-mail: romulo.vermersch@gmail.com)
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Abstract

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Let$(X,T)$ be a topological dynamical system consisting of a compact metric space X and a continuous surjective map $T : X \to X$. By using local entropy theory, we prove that $(X,T)$ has uniformly positive entropy if and only if so does the induced system $({\mathcal {M}}(X),\widetilde {T})$ on the space of Borel probability measures endowed with the weak* topology. This result can be seen as a version for the notion of uniformly positive entropy of the corresponding result for topological entropy due to Glasner and Weiss.

Information

Type
Original Article
Copyright
© The Author(s), 2020. Published by Cambridge University Press