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SUMMARY:Large distance asymptotics of correlations in lattice random field
 s
DTSTART:20230222T083000
DTEND:20230222T093000
DTSTAMP:20260504T041705Z
UID:f539a13537fa223adf264abcd1698171629c2d55952654d103088a9b
CATEGORIES:Conferences - Seminars
DESCRIPTION:Sebastian Ott – Université de Fribourg\nTalk in Mathematics
 \nI will start by introducing the general problem (by describing what are 
 lattice random fields\,\nwhich ones do I wish to study\, where do they com
 e from\, and what are the questions I want\nto discuss). Then\, the genera
 l question will be illustrated by taking a specific example: the\nhigh tem
 perature Ising model\, and I will discuss a heuristic (coming from physics
 ) which\nallows one to predict the large distance behaviour of the most im
 portant correlation\nfunction: the two-point function. In this example\, I
  will describe in an informal and nontechnical\nway how one can put the ge
 neral heuristic on rigorous ground\, and state a few\nresults as illustrat
 ions.\nFinally\, I will briefly mention further applications of the develo
 ped methods to both the\nstudy of general correlations\, and to the study 
 of 2D interfaces.\nBased on (a sequence of) joint work with Y. Aoun\, D. I
 offe\, S. Shlosman\, Y. Velenik\, and V.\nWachtel.\n 
LOCATION:MA B1 524 https://plan.epfl.ch/?room==MA%20B1%20524 https://epfl.
 zoom.us/j/69269373417
STATUS:CONFIRMED
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