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Résumé : This talk is devoted to a statistical approach to nonlinear waves on surfaces. Specifically, we consider the cubic Schrödinger equation (NLS) posed on the 2 dimensional sphere and we study the collective dynamics of initial data distributed according

Abstract: Over the last decades, the well-posedness issue of stochastic dispersive PDEs with multiplicative noises has been extensively studied. However, this study was done primarily from the viewpoint of Ito solution theory, and pathwise well-posedness remained completely open. In this

Résumé : La théorie du contrôle consiste à se poser la question : si on peut agir sur un système, que peut-on lui faire faire ? L'une des principales problématiques est le problème de stabilisation : comment agir sur un système en fonction