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Koszul Duality in Field Theory & Holography

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  • UserNatalie Paquette (Caltech)
  • ClockThursday 28 May 2020, 17:00-18:00
  • HouseOnline (Zoom).

If you have a question about this talk, please contact Dr. Carl Turner .

In this talk we discuss the problem of coupling quantum field theories to topological line defects and explain that it is governed by a central mathematical notion called Koszul duality for associative algebras. We then propose an analogous physical definition of Koszul duality for chiral algebras. We will explain that in the context of (a twisted version of) AdS(3)/ CFT , in which a chiral algebra naturally arises in the CFT , a deformation of this version of Koszul duality can be used to compute algebra OPEs. This talk is based on work in collaboration with K. Costello.

This talk is part of the Quantum Fields and Strings Seminars series.

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https://ukri.zoom.us/j/98617015574; BAS seminar room 330b Alison Richard Building, S1 Babraham Institute - Petersfield Lecture Theatre

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