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Talk

Weak coupling scaling of critical SPDEs

  • Giuseppe Cannizzaro (University of Warwick and Imperial College London)
E1 05 (Leibniz-Saal)

Abstract

The study of stochastic PDEs has known tremendous advances in recent years and, thanks to Hairer's theory of regularity structures and Gubinelli and Perkowski's paracontrolled approach, (local) existence and uniqueness of solutions of subcritical SPDEs is by now well-understood. The goal of this talk is to move beyond the aforementioned theories and present novel tools to derive the scaling limit (in the so-called weak coupling scaling) for some stationary SPDEs at the critical dimension. Our techniques are inspired by the resolvent method developed by Landim, Olla, Yau, Varadhan, and many others, in the context of particle systems in the supercritical dimension and might be well-suited to study a much wider class of statistical mechanics models at criticality.

Katja Heid

MPI for Mathematics in the Sciences Contact via Mail

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