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journal article

Ergodicity of hypoelliptic SDEs driven by fractional Brownian motion

Hairer, Martin  
•
Pillai, N. S.
May 1, 2011
ANNALES DE L INSTITUT HENRI POINCARE-PROBABILITES ET STATISTIQUES

We demonstrate that stochastic differential equations (SDEs) driven by fractional Brownian motion with Hurst parameter H > 1/2 have similar ergodic properties as SDEs driven by standard Brownian motion. The focus in this article is on hypoelliptic systems satisfying Hormander's condition. We show that such systems enjoy a suitable version of the strong Feller property and we conclude that under a standard controllability condition they admit a unique stationary solution that is physical in the sense that it does not "look into the future."The main technical result required for the analysis is a bound on the moments of the inverse of the Malliavin covariance matrix, conditional on the past of the driving noise.

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Type
journal article
DOI
10.1214/10-AIHP377
Web of Science ID

WOS:000289654500013

Author(s)
Hairer, Martin  
Pillai, N. S.
Date Issued

2011-05-01

Publisher

INST MATHEMATICAL STATISTICS-IMS

Published in
ANNALES DE L INSTITUT HENRI POINCARE-PROBABILITES ET STATISTIQUES
Volume

47

Issue

2

Start page

601

End page

628

Subjects

DIFFERENTIAL-EQUATIONS DRIVEN

•

MALLIAVIN CALCULUS

•

Ergodicity

•

Fractional Brownian motion

•

Hormander's theorem

•

Science & Technology

•

Physical Sciences

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
PROPDE  
FunderFunding(s)Grant NumberGrant URL

EPSRC

EP/D071593/1

Royal Society

department of statistics of Warwick university

Available on Infoscience
September 17, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/241209
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