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EDP stochastiques : existence de solutions, mesures invariantes et ...

EDP stochastiques : existence de solutions, mesures invariantes et ...

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Étu<strong>de</strong> d’un exempleConvergenceConvergence <strong>de</strong>s <strong>mesures</strong> <strong>invariantes</strong>SoitK = { x ∈ L 2 (Ω) : ∀ θ ∈ Ω, x(θ) ∈] − 1, 1[ } .On a la proposition suivante :PropositionPour c > 0,νc n ⇀ ν c := 1 exp −U(x) 1 x∈K µ c (dx), when n → +∞,Z coù Z c est une constante <strong>de</strong> normalisation.Ludovic Gou<strong>de</strong>nège <strong>EDP</strong> <strong>stochastiques</strong> Univ. Paris-Est - Marne-la-Vallée

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