Asymptotic compactness and absorbing sets for 2D stochastic Navier-Stokes equations on some unbounded domains

By Zdzisław Brzeźniak, Yuhong Li. 2006

154 citations recorded by the source corpus.

We introduce a notion of an asymptotically compact (AC) random dynamical system (RDS). We prove that for an AC RDS the Ω-limit set Ω B (ω) of any bounded set B is nonempty, compact, strictly invariant and attracts the set B. We establish that the 2D Navier Stokes Equations (NSEs) in a domain satisfying the Poincare inequality perturbed by an additive irregular noise generate an AC RDS in the energy space H. As a consequence we deduce existence of an invariant measure for such NSEs. Our study generalizes on the one hand the earlier results by Flandoli-Crauel (1994) and Schmalfuss (1992) obtained in the case of bounded domains and regular noise, and on the other hand the results by Rosa (1998) for the deterministic NSEs.

Subfields: Computational Theory and Mathematics, Control and Systems Engineering, Finance

View Paper: https://www.semanticscholar.org/paper/46ea1074a3307ded8657ac787bd035f5e6b58790

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In Computational Theory and Mathematics

  1. Michael Röckner
  2. Vladimir Bogachev
  3. Bixiang Wang
  4. Anhui Gu
  5. Nicolai V. Krylov
  6. Yangrong Li
  7. El.zbieta Motyl
  8. Jia Li

In Control and Systems Engineering

  1. Bixiang Wang
  2. Anhui Gu
  3. El.zbieta Motyl
  4. Michael Röckner
  5. Yangrong Li
  6. Huaizhong Zhao
  7. Jia Li
  8. Vladimir Bogachev

In Finance

  1. Michael Röckner
  2. El.zbieta Motyl
  3. Nicolai V. Krylov
  4. Bixiang Wang
  5. Zdzisław Brzeźniak
  6. Vladimir Bogachev
  7. Anhui Gu
  8. Huaizhong Zhao

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