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arXiv 0710.5683math.DSmath.PR
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康利定理的随机情形:II。完全李雅普诺夫函数

The random case of Conley's theorem: II. The complete Lyapunov function

Zhenxin Liu

摘要:

Conley在\cite{Con}中构造了紧致度量空间上的流的完备Lyapunov函数,该函数在链递归集的轨道上是常数,在链递归集的轨道外是严格递减的。这表明动力学复杂性集中在链递归集上,而链递归集外的动力学行为相当简单。本文在底空间$(Ω,\mathcal F,\mathbb P)$是可分度量空间且具有概率测度的假设下,对随机动力系统得到了类似的结果.通过构造一个完备的李雅普诺夫函数,该函数在随机链回归集内的轨道上是常数,在随机链回归集外的轨道上是严格递减的,得到了Conley动力系统基本定理的随机情形.进一步,将随机动力系统的结果推广到非紧状态空间。

英文摘要:

Conley in \cite{Con} constructed a complete Lyapunov function for a flow on compact metric space which is constant on orbits in the chain recurrent set and is strictly decreasing on orbits outside the chain recurrent set. This indicates that the dynamical complexity focuses on the chain recurrent set and the dynamical behavior outside the chain recurrent set is quite simple. In this paper, a similar result is obtained for random dynamical systems under the assumption that the base space $(Ω,\mathcal F,\mathbb P)$ is a separable metric space endowed with a probability measure. By constructing a complete Lyapunov function, which is constant on orbits in the random chain recurrent set and is strictly decreasing on orbits outside the random chain recurrent set, the random case of Conley's fundamental theorem of dynamical systems is obtained. Furthermore, this result for random dynamical systems is generalized to noncompact state spaces.

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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