When is a dynamical system mean sensitive?

When is a dynamical system mean sensitive?
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动力系统何时均值敏感?

DOI:
10.1017/etds.2017.101
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发表时间:
2017-08
影响因子:
0.9
通讯作者:
Ruifeng Zhang
Ruifeng Zhang
中科院分区:
数学2区
文献类型:
--
作者:
Felipe Garcia-Ramos;Jie Li;Ruifeng Zhang

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本文研究了拓扑动力系统在哪些条件下是均值敏感的,哪些条件下不是。除此之外,我们证明了每一个唯一遍历的正熵混合系统是平均敏感的。另一方面,我们提供了一个例子的传递系统,这是coherent-sensitive或Devaney混沌与正熵,但不平均敏感。作为我们理论和例子的应用,我们否定地回答了屠呦呦提出的关于等度连续性/灵敏度二分性的一个公开问题,引入并给出了局部平均等度连续系统的结果,并证明了诱导超空间的平均灵敏度并不意味着相空间的平均灵敏度.
This article is devoted to studying which conditions imply that a topological dynamical system is mean sensitive and which do not. Among other things, we show that every uniquely ergodic, mixing system with positive entropy is mean sensitive. On the other hand, we provide an example of a transitive system which is cofinitely sensitive or Devaney chaotic with positive entropy but fails to be mean sensitive. As applications of our theory and examples, we negatively answer an open question regarding equicontinuity/sensitivity dichotomies raised by Tu, we introduce and present results of locally mean equicontinuous systems and we show that mean sensitivity of the induced hyperspace does not imply that of the phase space.
拓扑动力学中的敏感集
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