Stochastic stability versus localization in chaotic dynamical systems
Preprint
- 9 February 1996
Abstract
We prove stochastic stability of chaotic maps for a general class of Markov random perturbations (including singular ones) satisfying some kind of mixing conditions. One of the consequences of this statement is the proof of Ulam's conjecture about the approximation of the dynamics of a chaotic system by a finite state Markov chain. Conditions under which the localization phenomenon (i.e. stabilization of singular invariant measures) takes place are also considered. Our main tools are the so called bounded variation approach combined with the ergodic theorem of Ionescu-Tulcea and Marinescu, and a random walk argument that we apply to prove the absence of ``traps'' under the action of random perturbations.Keywords
All Related Versions
- Version 1, 1996-02-09, ArXiv
- Published version: Nonlinearity, 10 (1), 81.
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