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arXiv 1710.02191math.DS
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离散动力系统指数稳定性的一个完整刻画

A complete characterization of exponential stability for discrete dynamics

Nicolae Lupa, Liviu Horia Popescu

摘要:

对于由一列有界且不可逆的线性算子定义的离散动力系统,我们利用某个算子作用在适当的Banach数列空间上的可逆性,给出了指数稳定性的完整刻画.我们连接的可逆性,这个运营商的存在一个特定类型的容许指数。对于有界轨道,指数稳定性的结果从谱性质。一些适当的例子,强调一些显着的定性差异之间的一致和非一致的行为。

英文摘要:

For a discrete dynamics defined by a sequence of bounded and not necessarily invertible linear operators, we give a complete characterization of exponential stability in terms of invertibility of a certain operator acting on suitable Banach sequence spaces. We connect the invertibility of this operator to the existence of a particular type of admissible exponents. For the bounded orbits, exponential stability results from a spectral property. Some adequate examples are presented to emphasize some significant qualitative differences between uniform and nonuniform behavior.

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