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Quasi-shadowing for partially hyperbolic diffeomorphisms

Published online by Cambridge University Press:  15 December 2014

HUYI HU ,
YUNHUA ZHOU  and
YUJUN ZHU
HUYI HU
Affiliation:
Department of Mathematics, Michigan State University, East Lansing, MI 48824, USA email [email protected]
YUNHUA ZHOU
Affiliation:
College of Mathematics and Statistics, Chongqing University, Chongqing 401331, China email [email protected]
YUJUN ZHU
Affiliation:
College of Mathematics and Information Science, Hebei Normal University, Shijiazhuang 050024, China email [email protected]
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Abstract

A partially hyperbolic diffeomorphism $f$ has the quasi-shadowing property if for any pseudo orbit $\{x_{k}\}_{k\in \mathbb{Z}}$, there is a sequence of points $\{y_{k}\}_{k\in \mathbb{Z}}$ tracing it in which $y_{k+1}$ is obtained from $f(y_{k})$ by a motion ${\it\tau}$ along the center direction. We show that any partially hyperbolic diffeomorphism has the quasi-shadowing property, and if $f$ has a $C^{1}$ center foliation then we can require ${\it\tau}$ to move the points along the center foliation. As applications, we show that any partially hyperbolic diffeomorphism is topologically quasi-stable under $C^{0}$-perturbation. When $f$ has a uniformly compact $C^{1}$ center foliation, we also give partially hyperbolic diffeomorphism versions of some theorems which hold for uniformly hyperbolic systems, such as the Anosov closing lemma, the cloud lemma and the spectral decomposition theorem.

Type
Research Article
Information
Ergodic Theory and Dynamical Systems , Volume 35 , Issue 2 , April 2015 , pp. 412 - 430
Copyright
© Cambridge University Press, 2014 

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