Devroye Inequality for a Class of Non-Uniformly Hyperbolic Dynamical Systems

Abstract : In this paper, we prove an inequality, which we call "Devroye inequality", for a large class of non-uniformly hyperbolic dynamical systems (M,f). This class, introduced by L.-S. Young, includes families of piece-wise hyperbolic maps (Lozi-like maps), scattering billiards (e.g., planar Lorentz gas), unimodal and H{é}non-like maps. Devroye inequality provides an upper bound for the variance of observables of the form K(x,f(x),...,f^{n-1}(x)), where K is any separately Holder continuous function of n variables. In particular, we can deal with observables which are not Birkhoff averages. We will show in \cite{CCS} some applications of Devroye inequality to statistical properties of this class of dynamical systems.
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Submitted on : Tuesday, April 17, 2007 - 3:14:39 PM
Last modification on : Wednesday, March 27, 2019 - 4:02:05 PM

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J. -R. Chazottes, P. Collet, B. Schmitt. Devroye Inequality for a Class of Non-Uniformly Hyperbolic Dynamical Systems. 2005. ⟨hal-00142145⟩

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