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arXiv 1503.03323math.DS
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正规双曲不变流形的几何证明

Geometric proof for normally hyperbolic invariant manifolds

Maciej J. Capiński, Piotr Zgliczyński

摘要:

给出了映射的正规双曲流形及其须的存在性的一个新证明。我们的结果并不令人不安。基于映射及其导数的界,我们建立了流形在给定邻域内的存在性。我们的证明遵循图变换类型的方法,并在系统的状态空间中进行。我们不要求映射是可逆的。从我们的方法如下也建立流形,这取决于平滑的地图,以及速率条件,这是从边界上的衍生物的地图的平滑。我们的方法是量身定制的严格,区间运算为基础的,计算机辅助验证所需的假设。

英文摘要:

We present a new proof of the existence of normally hyperbolic manifolds and their whiskers for maps. Our result is not perturbative. Based on the bounds on the map and its derivative, we establish the existence of the manifold within a given neighbourhood. Our proof follows from a graph transform type method and is performed in the state space of the system. We do not require the map to be invertible. From our method follows also the smoothness of the established manifolds, which depends on the smoothness of the map, as well as rate conditions, which follow from bounds on the derivative of the map. Our method is tailor made for rigorous, interval arithmetic based, computer assisted validation of the needed assumptions.

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