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Renormalisation Group Analysis of a gradient model with nonconvex interaction

Presented by: 
Susanne Hilger Rheinische Friedrich-Wilhelms-Universität Bonn
Date: 
Wednesday 7th November 2018 - 15:30 to 16:00
Venue: 
INI Seminar Room 2
Abstract: 
We study the finite volume Gibbs measure of a continuous Ising model on an integer lattice with non-convex interaction. S. Adams, R. Kotecky and S. Müller performed a Renormalisation Group Analysis to prove the strict convexity of the free energy. We extend their result to prove decay of covariances.  
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons