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Measure-theoretic and topological entropy are classical invariants in the theory of dynamical systems. There are several recently developed entropy type invariants for systems of sub-exponential growth: sequence entropy, slow entropy,…

Dynamical Systems · Mathematics 2020-04-10 Adam Kanigowski , Anatole Katok , Daren Wei

In analogy to the topological entropy for continuous endomorphisms of totally disconnected locally compact groups, we introduce a notion of topological entropy for continuous endomorphisms of locally linearly compact vector spaces. We study…

Group Theory · Mathematics 2021-01-22 Ilaria Castellano , Anna Giordano Bruno

The notion of entropy appears in many fields and this paper is a survey about entropies in several branches of Mathematics. We are mainly concerned with the topological and the algebraic entropy in the context of continuous endomorphisms of…

General Topology · Mathematics 2013-08-20 Dikran Dikranjan , Anna Giordano Bruno

In arXiv:1801.01238 a variation of Bowen's topological entropy that can be applied to the study of discontinuous semiflows on compact metric spaces was introduced. The main novetly is the use of certain family of pseudosemimetrics…

Dynamical Systems · Mathematics 2019-09-24 Nelda Jaque , Bernardo San Martín

This is a detailed introductory survey of the cohomological dimension theory of compact metric spaces.

General Topology · Mathematics 2007-05-23 A. N. Dranishnikov

Waist inequality is a fundamental inequality in geometry and topology. We apply it to the study of entropy and mean dimension of dynamical systems. We consider equivariant continuous maps between dynamical systems and assume that the mean…

Dynamical Systems · Mathematics 2022-11-21 Ruxi Shi , Masaki Tsukamoto

Magnitude and (co)weightings are quite general constructions in enriched categories, yet they have been developed almost exclusively in the context of Lawvere metric spaces. We construct a meaningful notion of magnitude for flow graphs…

Category Theory · Mathematics 2023-08-03 Steve Huntsman

In this paper, we focus on some properties, calculations and estimations of topological entropy for a nonautonomous dynamical system $(X,f_{0,\infty})$ generated by a sequence of continuous self-maps $f_{0,\infty}=\{f_n\}_{n=0}^{\infty}$ on…

Dynamical Systems · Mathematics 2022-10-18 Hua Shao

In this paper, we mainly elucidate a close relationship between the topological entropy and mean dimension theory for actions of polynomial growth groups. We show that metric mean dimension and mean Hausdorff dimension of subshifts with…

Dynamical Systems · Mathematics 2021-03-30 Yunping Wang , Ercai Chen , Xiaoyao Zhou

We introduce the notion of metric entropy for a nonautonomous dynamical system given by a sequence of probability spaces and a sequence of measure-preserving maps between these spaces. This notion generalizes the classical concept of metric…

Dynamical Systems · Mathematics 2016-11-26 Christoph Kawan

In this note we study some properties of topological entropy for noncompact non-metrizable spaces.

Dynamical Systems · Mathematics 2019-12-19 Seyyed Alireza Ahmadi , Xinxing Wu , Guanrong Chen

Metric mean dimension is a geometric invariant of dynamical systems with infinite topological entropy. We relate this concept with the fractal structure of the phase space and the H\"older regularity of the map. Afterwards we improve our…

Dynamical Systems · Mathematics 2025-05-29 Alexandre Baraviera , Maria Carvalho , Gustavo Pessil

Borrowing the idea of topological pressure determining measure-theoretical entropy in topological dynamical systems, we establish a variational principle for upper metric mean dimension with potential in terms of upper measure-theoretical…

Dynamical Systems · Mathematics 2024-12-30 Rui Yang , Ercai Chen , Xiaoyao Zhou

Transitivity, the existence of periodic points and positive topological entropy can be used to characterize complexity in dynamical systems. It is known that for graphs that are not trees, for every $\varepsilon>0,$ there exist (complicate)…

Dynamical Systems · Mathematics 2018-07-05 Lluís Alsedà , Liane Bordignon , Jorge Groisman

We study dynamics of continuous maps on compact metrizable spaces containing a free interval (i.e., an open subset homeomorphic to an open interval). A special attention is paid to relationships between topological transitivity, weak and…

Dynamical Systems · Mathematics 2012-09-25 Matúš Dirbák , Ľubomír Snoha , Vladimír Špitalský

In this work we study the main dynamical properties of the push-forward map, a transformation in the space of probabilities P(X) induced by a map T: X \to X, X a compact metric space. We also establish a connection between topological…

Dynamical Systems · Mathematics 2013-01-09 A. Baraviera , E. Oliveira , F. B. Rodrigues

This is a review on entropy in various fields of mathematics and science. Its scope is to convey a unified vision of the classical as well as some newer entropy notions to a broad audience with an intermediate background in dynamical…

Dynamical Systems · Mathematics 2022-02-08 José M. Amigó , Karsten Keller , Valentina Unakafova

We introduce some notions of conditional mean dimension for a factor map between two topological dynamical systems and discuss their properties. With the help of these notions, we obtain an inequality to estimate the mean dimension of an…

Dynamical Systems · Mathematics 2021-11-16 Bingbing Liang

A topological dynamical system $(X,f)$ induces two natural systems, one is on the probability measure spaces and other one is on the hyperspace. We introduce a concept for these two spaces, which is called entropy order, and prove that it…

Dynamical Systems · Mathematics 2020-05-08 Yong Ji , Ercai Chen , Xiaoyao Zhou

Mean dimension is a topological invariant for dynamical systems that is meaningful for systems with infinite dimension and infinite entropy. Given a $\mathbb{Z}^k$-action on a compact metric space $X$, we study the following three problems…

Dynamical Systems · Mathematics 2015-10-07 Yonatan Gutman , Elon Lindenstrauss , Masaki Tsukamoto