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X-FROM-URL:https://eom.sdu.dk/events/ical/c2c5bb0d-ace1-4ee6-9bf4-c2afa549
 673d
X-WR-CALNAME:QM Research Seminar: Quantization via branes and minimal reso
 lution
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260416T024055Z
DTSTART:20261028T030000
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DTSTAMP:20260416T024055Z
DTSTART:20260325T020000
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DESCRIPTION:[b]Speaker: Jian Qiu[/b] (Uppsala University) [nl][nl]\n[b]Abs
 tract:[/b][nl]\nI want to explain in this talk the framework of quantizat
 ion using branes\, as developed by Gukov-Witten and later refined by Gaio
 tto-Witten. This approach embeds the symplectic manifold to be quantized 
 into a bigger space (of double the dimension) as a brane\, and the open s
 trings ending on the brane play the role of the operators acting on the H
 ilbert space.\nThe open strings are expected to be quantized via the A-mo
 del\, while in practice the open string wave functions are identifiable a
 s holomorphic functions on the larger space and therefore many algebraic 
 approach can be applied for its quantization and bypass the A-model.\nI w
 ill apply Kontsevich's deformation quantization to deform the algebra of 
 operators. Contrary to what one expects from deformation quantisation\, i
 t is very computable\, thanks to some recently developed technical result
 s due to Barmeier and Wang.\nI will run you through some examples\, the s
 implest being the Kleinian singularity. In the A_1 case\, the quantizatio
 n gives the Verma module of Usu(2) including the integrality condition fo
 r hbar\, which Is unusual for deformation quantization.\n[nl]\n[nl]
DTEND:20240205T150000Z
DTSTAMP:20260416T024055Z
DTSTART:20240205T140000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: Quantization via branes and minimal resolution
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