The Renormalisation Group - a Mathematical Perspective (4/4)
Also appears in collection : Roland Bauerschmidt - The Renormalisation Group - a Mathematical Perspective
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.
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