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In this article, we introduce a notion of relative mean metric dimension with potential for a factor map $\pi: (X,d, T)\to (Y, S)$ between two topological dynamical systems. To link it with ergodic theory, we establish four variational…

Dynamical Systems · Mathematics 2021-02-03 Weisheng Wu

We establish three variational principles for the upper metric mean dimension with potential of level sets of continuous maps in terms of the entropy of partitions and Katok's entropy of the underlying system. Our results hold for dynamical…

Dynamical Systems · Mathematics 2026-05-08 Lucas Backes , Chunlin Liu , Fagner B. Rodrigues

It is well-known that the relativized variational principle established by Bogenschutz and Kifer connects the fiber topological entropy and fiber measure-theoretic entropy. In context of random dynamical systems, metric mean dimension was…

Dynamical Systems · Mathematics 2025-09-24 Yunping Wang , Ercai Chen , Kexiang Yang

In this manuscript we show that the metric mean dimension of a free semigroup action satisfies three variational principles: (a) the first one is based on a definition of Shapira's entropy, introduced in \cite{SH} for a singles dynamics and…

Dynamical Systems · Mathematics 2021-07-06 Thomas Jacobus , Fagner B. Rodrigues , Marcus V. Silva

We study variational principles for metric mean dimension. First we prove that in the variational principle of Lindenstrauss and Tsukamoto it suffices to take supremum over ergodic measures. Second we derive a variational principle for…

Dynamical Systems · Mathematics 2022-02-04 Yonatan Gutman , Adam Śpiewak

Firstly, we answer the problem 1 asked by Gutman and $\rm \acute{\ S}$piewak in \cite{gs20}, then we establish a double variational principle for mean dimension in terms of R$\bar{e}$nyi information dimension and show the order of $\sup$…

Dynamical Systems · Mathematics 2022-05-25 Rui Yang , Ercai Chen , Xiaoyao Zhou

The present paper aims to investigate the metric mean dimension theory of continuous flows. We introduce the notion of metric mean dimension for continuous flows to characterize the complexity of flows with infinite topological entropy. For…

Dynamical Systems · Mathematics 2023-11-14 Rui Yang , Ercai Chen , Xiaoyao Zhou

We prove a variational principle for the upper and lower metric mean dimension of level sets \[ \left\{x\in X: \lim_{n\to\infty}\frac{1}{n}\sum_{j=0}^{n-1}\varphi(f^{j}(x))=\alpha\right\} \] associated to continuous potentials $\varphi:X\to…

Dynamical Systems · Mathematics 2023-08-28 Lucas Backes , Fagner B. Rodrigues

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

This paper investigates the relationship between quantization of measures and metric mean dimension of topological dynamical systems. We introduce the concept of mean quantization dimension for invariant probability measures and establish a…

Dynamical Systems · Mathematics 2026-05-21 Maria Carvalho , Gustavo Pessil

We introduce the notion of Feldman-Katok metric mean dimensions in this note. We show metric mean dimensions defined by different metrics coincide under weak tame growth of covering numbers, and establish variational principles for…

Dynamical Systems · Mathematics 2023-10-11 Yunxiang Xie , Ercai Chen , Rui Yang

In this paper, we studied the metric mean dimension in Feldman-Katok(FK for short) metric. We introduced the notions of FK-Bowen metric mean dimension and FK-Packing metric mean dimension on subset. And we established two variational…

Dynamical Systems · Mathematics 2022-08-16 Kunmei Gao , Ruifeng Zhang

Metric mean dimension is a dynamical counterpart of the box dimension in fractal geometry to characterize the topological complexity of infinite entropy systems. The classical variational principle states that topological entropy equals the…

Dynamical Systems · Mathematics 2025-12-18 Rui Yang , Xiaoyao Zhou

For random dynamical systems, by summarizing the fundamental properties of Kifer's topological pressure we introduce the concept of random pressure functions, and define Ruelle's metric entropy for invariant measures. Employing the…

Dynamical Systems · Mathematics 2026-05-19 Rui Yang , Ercai Chen , Xiaoyao Zhou

In this paper, we introduce mean dimension quantities with sub-additive potentials. We define mean dimension with sub-additive potentials and mean metric dimension with sub-additive potentials, and establish a double variational principle…

Dynamical Systems · Mathematics 2020-11-06 Yunping Wang , Ercai Chen

Around the mean dimensions and rate-distortion functions, using some tools from local entropy theory this paper establishes the following main results: $(1)$ We prove that for non-ergodic measures associated with almost sure processes, the…

Dynamical Systems · Mathematics 2025-10-10 Rui Yang

In this paper, we investigate the relations between various types of topological pressures and different versions of measure-theoretical pressures. We extend Feng- Huang's variational principle for packing entropy to packing pressure and…

Dynamical Systems · Mathematics 2023-01-18 Xingfu Zhong , Zhijing Chen

We redefine BS-dimension for Caratheodory structure by packing method. We have the same dimension properties with respect to the cover method and check the Bowen's equation for the new dimension as well. Besides, we consider the relation…

Dynamical Systems · Mathematics 2011-12-01 Chenwei Wang , Ercai Chen

In this paper, we prove variational principles between metric mean dimension and rate distortion function for countable discrete amenable group actions which extend recently results by Lindenstrauss and Tsukamoto.

Dynamical Systems · Mathematics 2020-08-11 Ercai Chen , Dou Dou , Dongmei Zheng

We formulate and prove a variational principle (in the sense of thermodynamics) for random domino tilings, or equivalently for the dimer model on a square grid. This principle states that a typical tiling of an arbitrary finite region can…

Combinatorics · Mathematics 2012-03-15 Henry Cohn , Richard Kenyon , James Propp
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