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SUMMARY:Lotte Hollands (Heriot-Watt University)
DTSTART:20211122T200000Z
DTEND:20211122T210000Z
DTSTAMP:20260423T035906Z
UID:WHCGP/43
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/WHCGP/43/">P
 artition functions\, BPS states and abelianization</a>\nby Lotte Hollands 
 (Heriot-Watt University) as part of Western Hemisphere colloquium on geome
 try and physics\n\n\nAbstract\nIn this talk I will re-express the Nekrasov
 -Shatashvili partition function for a four-dimensional N=2 gauge theory as
  an integral of a ratio of Wronskians of solutions to the relevant oper eq
 uation\, with the AD2 theory and the pure SU(2) theory as two main example
 s. This motivates the definition of a generalized Nekrasov-Shatashvili par
 tition function for any four-dimensional N=2 theory of class S\, and makes
  a connection with abelianization and exact WKB analysis. We will end with
  some remarks regarding the five-dimensional generalization and the relati
 on to similar mathematical structures underlying the topological string pa
 rtition function. This talk is based on 2109.14699 and work in progress.\n
LOCATION:https://researchseminars.org/talk/WHCGP/43/
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