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SPD

Seminar

Stochastic Cahn-Hilliard equation with singularities and reflections

Goudenège, L (ENS Cachan)
Wednesday 30 June 2010, 10:10-11.00

Seminar Room 1, Newton Institute

Abstract

We study the stochastic Cahn-Hilliard equation with an additive space-time white noise. We consider the physical potential with a double logarithmic singularity in -1 and +1 in a one-dimensionnal domain. Since the singularities are not strong enough to prevent the solution from going out the physical domain [-1,1], we add two reflection measures in the boundary. We show that the system has a unique invariant measure in order to obtain existence and uniqueness of stationary solution. We also prove some results about ergodicity, exponential mixing and integration by parts formula. This is a joint work with Arnaud Debussche (ENS Cachan Bretagne).

Presentation

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