A priori estimates for rough PDEs with application to rough conservation laws
Résumé
We introduce a general framework to study PDEs driven by rough paths: we develop new a priori estimates based on a rough Gronwall lemma argument for weak solutions to rough PDEs. This will allow us to follow standard PDE strategies to obtain existence and uniqueness results. In particular our approach does not rely on any sort of transformation formula (flow transformation, Feynman-Kac representation formula etc.) and is therefore rather flexible. As an application, we study conservation laws driven by rough paths establishing well-posedness for the corresponding kinetic formulation.
Domaines
Probabilités [math.PR]
Origine : Fichiers produits par l'(les) auteur(s)
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