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arXiv 2101.09934math.DS
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关于位势相对度量平均维数与变分原理

On relative metric mean dimension with potential and variational principles

Weisheng Wu

摘要:

本文对两个拓扑动力系统之间的因子映射$π: (X,d, T)\to (Y, S)$引入了带位势的相对平均度量维数的概念。为了将其与遍历论联系起来,我们建立了四个变分原理,它们分别是关于划分的度量熵、Shapira熵、Katok熵和Brin-Katok局部熵.在相对情况下,得到了固定开覆盖的局部熵的一些结果。我们还回答了Shi \cite{Shi}提出的一个公开问题,部分地为一个非常好的可分紧度量空间,并在一般情况下,我们得到了一个变分不等式涉及盒维数的空间。给出了$(Y,S)$的不变测度,并研究了相应的内变分原理.

英文摘要:

In this article, we introduce a notion of relative mean metric dimension with potential for a factor map $π: (X,d, T)\to (Y, S)$ between two topological dynamical systems. To link it with ergodic theory, we establish four variational principles in terms of metric entropy of partitions, Shapira's entropy, Katok's entropy and Brin-Katok local entropy respectively. Some results on local entropy with respect to a fixed open cover are obtained in the relative case. We also answer an open question raised by Shi \cite{Shi} partially for a very well-partitionable compact metric space, and in general we obtain a variational inequality involving box dimension of the space. Corresponding inner variational principles given an invariant measure of $(Y,S)$ are also investigated.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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