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SUMMARY:Michael Hofstetter (Weizmann Institute)
DTSTART:20260305T100000Z
DTEND:20260305T120000Z
DTSTAMP:20260423T021529Z
UID:PSMQFT/7
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/PSMQFT/7/">A
  stochastic control approach to Euclidean field theories with exponential 
 interaction</a>\nby Michael Hofstetter (Weizmann Institute) as part of Pro
 bability\, Statistical Mechanics and Quantum Fields\n\nLecture held in Roo
 m 136\, via Bonomea 265\, SISSA.\n\nAbstract\nIn this talk\, I demonstrate
  how to obtain couplings of the Liouville field and the sinh-Gordon field 
 with the Gaussian free field in dimension $d=2$\, such that the difference
  is in a Sobolev space of regularity $\\alpha>1$. The analysis covers the 
 entire $L^2$ phase. The main tool is the variational approach to Euclidean
  field theories by Barashkov and Gubinelli applied to field theories with 
 exponential interaction. The additional key ingredients are estimates for 
 the short scales of the minimizer of the variational problem and several a
 pplications of the Brascamp-Lieb inequality.\n
LOCATION:https://researchseminars.org/talk/PSMQFT/7/
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