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SUMMARY:Mykola Dedushenko (SUNY\, Stony Brook)
DTSTART:20211028T144500Z
DTEND:20211028T163000Z
DTSTAMP:20260423T022813Z
UID:LIJC/53
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LIJC/53/">Qu
 antum algebras and SUSY interfaces in Bethe/gauge correspondence</a>\nby M
 ykola Dedushenko (SUNY\, Stony Brook) as part of London Integrability Jour
 nal Club\n\n\nAbstract\nI will describe my work with N.Nekrasov on supersy
 mmetric interfaces in gauge theories in the context of the Bethe/gauge cor
 respondence. These interfaces\, viewed as operators on the Hilbert space\,
  give linear maps between spaces of SUSY vacua\, understood mathematically
  as generalized cohomology theories of the Higgs branch. A natural class o
 f interfaces are SUSY Janus interfaces for masses\, with the corresponding
  cohomological maps being either the stable envelopes or the chamber R-mat
 rices (both due to Maulik-Okounkov and Aganagic-Okounkov). Thus\, such int
 erfaces (and their collisions) can be used to define actions of the spectr
 um generating algebras (such as Yangians) on the "gauge" side of the Bethe
 /gauge correspondence\, i.e.\, in QFT. Further applications and possible g
 eneralizations will be mentioned as well.\n
LOCATION:https://researchseminars.org/talk/LIJC/53/
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