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TZID:Europe/Vienna
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DTSTART:20180325T030000
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DTSTART:20181028T020000
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DTSTAMP:20260308T204056Z
UID:59c8cedc499ce325698298@ist.ac.at
DTSTART:20180529T160000
DTEND:20180529T180000
DESCRIPTION:Speaker: Dario Feliciangeli\nhosted by Laszlo Erdös\nAbstract:
  The Sherrington-Kirkpatrick model (SK model) was introduced by Sherringto
 n and Kirkpatrick in 1975 to describe spin glasses. Some years later\, tow
 ards the end of the seventies\, it was Giorgio Parisi to discover the righ
 t formula for the limit of the free energy in the SK model\, which\, since
  then\, has gone under the name of Parisi Ansatz or Parisi Formula. Althou
 ght this formula was believed to be correct almost immediately\, it took t
 he mathematical and physical community thirty years of work (with contribu
 tions from Guerra\, Aizenman\, Ruelle and many others) before Talagrand fi
 nally managed to put together all the known theory to show\, in 2006\, the
  validity of the Parisi Ansatz. In this short talk we will introduce the m
 odel and give an overview of some results\, with particular focus on the G
 uerra-Toninelli theorem\, which (only in the early 2000s) rigorously prove
 d the existence of the limit of the free energy.
LOCATION:Big Seminar room Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:jdeanton@ist.ac.at
SUMMARY:Dario Feliciangeli: The free energy in the Sherrington-Kirkpatrick 
 model
URL:https://talks-calendar.ista.ac.at/events/1252
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