——– IMPORTANT INFORMATION ——–
Due to the health situation related to the Coronavirus epidemic, the course has been cancelled and postponed at a later date to be confirmed.
In physics, the renormalisation group provides a powerful point of view to understand random systems with strong correlations. Despite advances in a number of particular problems, in general its mathematical justification remains a holy grail. I will give an introduction to the main concepts from the point of view of a mathematician and illustrate its use in some examples.