Publication

ERGODICITY OF 2D SINGULAR STOCHASTIC NAVIER–STOKES EQUATIONS

Martin Hairer
2025

Abstract

We consider the 2D stochastic Navier–Stokes equations driven by noise that have the regularity of space-time white noise but don’t exactly coincide with it. We show that, provided that the intensity of the noise is sufficiently weak at high frequencies, this system admits uniform bounds in time, so that it has an invariant measure for which we obtain stretched exponential tail bounds.

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ERGODICITY OF 2D SINGULAR STOCHASTIC NAVIER–STOKES EQUATIONS

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