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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Passive tracer in a flow corresponding to two dimensional stochastic Navier--Stokes equations

## Passive tracer in a flow corresponding to two dimensional stochastic Navier--Stokes equationsAdd to your list(s) Download to your calendar using vCal - Peszat, S (Polish Academy of Sciences)
- Thursday 13 September 2012, 09:50-10:40
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact Mustapha Amrani. Stochastic Partial Differential Equations (SPDEs) We prove the law of large numbers and central limit theorem for trajectories of particle carried by a two dimensional Eulerian velocity field. The field is given by a solution of a stochastic Navier—Stokes system with a non-degenerate noise. The spectral gap property, with respect to Wasserstein metric, for such a system has been shown by Hairer and Mattingly. We show that a similar property holds for the environment process corresponding to the Lagrangian observations of the velocity. The proof of the central limit theorem relies on the martingale approximation of the trajectory process. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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