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DTSTAMP:20260414T100758
DTSTART:20150915T143000
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DTEND:20150915T143000
URL:https://murmitoyen.com/events/vanille/udem/detail/630294-conference-de-
 nikita-nekrasov-chaire-aisenstadt-2015
LOCATION:Université de Montréal - Pavillon André-Aisenstadt\, 2920\, che
 min de la Tour\, Montréal\, QC\, Canada\, H3T 1N8
SUMMARY:Conférence de Nikita Nekrasov - Chaire Aisenstadt 2015
DESCRIPTION:Nikita Nekrasov (IHES/SCGP) est titulaire de la Chaire Aisensta
 dt 2015. Il donnera une série de conférences dans le cadre du semestre t
 hématique «Correspondance AdS/CFT\, holographe\, intégrabilité» sous 
 le thème BPS/CFT correspondance.
\nHoraire14 septembre à 16 h - 1er part
 ie15 septembre à 14 h 30 - 2e partie16 septembre à 16 h - 3e partie17 se
 ptembre à 14 h 30 - 4e partie18 septembre à 16 h - Gauge theories and in
 tegrable systems
\nRésumé de BPS/CFT correspondanceThe non-perturbative 
 quantum field theory and string theory is a source of deep connections bet
 ween different branches of mathematics and physics. In these lectures I wi
 ll focus on the correspondence between the generating functions of instant
 on invariants\, the integrals over the moduli spaces of instantons in Yang
 -Mills theory in four dimensions\, and the conformal blocks of two dimensi
 onal conformal field theories. The BPS/CFT correspondence was conjectured 
 around 2002-2004 based on several examples\, which kept coming up. The cel
 ebrated AGT conjecture (2009) is a particular example\, where both sides o
 f the BPS/CFT correspondence are well-known\, but the connection is surpri
 sing. In the lectures I will present the new tool for proving these conjec
 tures\, the moduli space of crossed instantons. In a particular corner of 
 the parameter space the BPS/CFT correspondence becomes the Bethe/gauge cor
 respondence\, relating quantum integrable systems and supersymmetric gauge
  theories. The lectures will report on the latest achievements in this fie
 ld.
\n 
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