Introduction to the Renormalisation Group

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• Pronob Mitter (CNRS (Centre national de la recherche scientifique); Université de Montpellier)
• Wednesday 14 November 2018, 15:00-16:30
• Seminar Room 2, Newton Institute.

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SRQ - Scaling limits, rough paths, quantum field theory

In  these lectures I will introduce  and explore properties  of the Renormalisation  Group (RG) both in its discrete and continuous forms. Topics  to be discussed include  multi scale  expansions, the RG, Gaussian fixed points, Wick products from the RG point of view, ultraviolet cutoff removal, flow equations and perturbative flows, trivial and non-trivial fixed points, and  critical field theories. Time  permitting, I will discuss a rigorous application. These lectures are supposed to be elementary. 

This talk is part of the Isaac Newton Institute Seminar Series series.

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