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arXiv:1907.03725 [math.PR]AbstractReferencesReviewsResources

Couplings via comparison principle and exponential ergodicity of SPDEs in the hypoelliptic setting

Oleg Butkovsky, Michael Scheutzow

Published 2019-07-08Version 1

We develop a general framework for studying ergodicity of order-preserving Markov semigroups. We establish natural and in a certain sense optimal conditions for existence and uniqueness of the invariant measure and exponential convergence of transition probabilities of an order-preserving Markov process. As an application, we show exponential ergodicity and exponentially fast synchronization-by-noise of the stochastic reaction-diffusion equation in the hypoelliptic setting. This refines and complements corresponding results of Hairer, Mattingly (2011).

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