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On the Stochastic Korteweg–de Vries Equation

✍ Scribed by A de Bouard; A Debussche


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
429 KB
Volume
154
Category
Article
ISSN
0022-1236

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✦ Synopsis


We consider a stochastic Korteweg de Vries equation forced by a random term of white noise type. This can be a model of water waves on a fluid submitted to a random pressure. We prove existence and uniqueness of solutions in H 1 (R) in the case of additive noise and existence of martingales solutions in L 2 (R) in the case of multiplicative noise.

1998 Academic Press

Nous e tudions une e quation de Korteweg de Vries stochastique comportant une force ale atoire de type bruit blanc. Cette e quation peut de crire les ondes de surface sur un fluide soumis aÁ un champ de pression ale atoire. Nous montrons l'existence et l'unicite de solutions dans H 1 (R) lorsque le bruit est additif. Puis, dans le cas du bruit multiplicatif, nous e tablissons l'existence de solutions martingales dans L 2 (R).


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White Noise Driven Korteweg–de Vries Equ
✍ A. de Bouard; A. Debussche; Y. Tsutsumi 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 212 KB

We consider a stochastic Korteweg de Vries equation on the real line. The noise is additive. We use function spaces similar to those introduced by Bourgain to prove well posedness results for the Korteweg de Vries equation in L 2 (R). We are able to handle a noise which is locally white in space and