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arXiv 2208.09443nlin.CD
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混沌系统的李雅普诺夫指数与参数敏感性的关系

A connection between Lyapunov exponents and sensitive dependence on parameters of chaotic systems

Samuel Willian Schwertner Costiche, Carlos Henrique Coimbra-Araújo, Rodrigo André Schulz

摘要:

混沌对参数的敏感依赖性是研究动力系统可积性和稳定性的一个重要课题。以前的工作已经提出了方法来识别的拓扑标准或大型数值模拟参数的敏感依赖。本文证明了当系统的李雅普诺夫指数随参数的变化而变化时,系统在与所考虑的参数相关联的轨道上指数发散。我们使用这个结果来探索敏感的依赖于参数的不确定性区间,并得出结论,这种现象的表征是直接关系到我们的能力,以确定系统的李雅普诺夫指数不同的参数。

英文摘要:

The sensitive dependence of chaos on parameters is a topic of great interest in the study of integrability and stability of dynamical systems. Previous work has proposed ways to identify the sensitive dependence on parameters by topological criteria or large numerical simulations. In this paper, we show that when the Lyapunov exponents of the system vary with a change in the parameters, the system diverges exponentially in the orbits associated with the considered parameters. We use this result to explore the sensitive dependence on parameters in an uncertainty interval and conclude that the characterization of this phenomenon is directly related to our ability to determine the Lyapunov exponents of the system for different parameters.

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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