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- Title
Renormalisation of parabolic stochastic PDEs.
- Authors
Hairer, Martin
- Abstract
We give a survey of recent result regarding scaling limits of systems from statistical mechanics, as well as the universality of the behaviour of such systems in so-called cross-over regimes. It transpires that some of these universal objects are described by singular stochastic PDEs. We then give a survey of the recently developed theory of regularity structures which allows to build these objects and to describe some of their properties. We place particular emphasis on the renormalisation procedure required to give meaning to these equations.These are expanded notes of the 20th Takagi Lectures held at The University of Tokyo on November 4, 2017.
- Subjects
STOCHASTIC analysis; RENORMALIZATION group; STATISTICAL mechanics; MATHEMATICAL analysis; STOCHASTIC processes
- Publication
Japanese Journal of Mathematics, 2018, Vol 13, Issue 2, p187
- ISSN
0289-2316
- Publication type
Article
- DOI
10.1007/s11537-018-1742-x