[PHK_seminar] [Cohomology]Wednesday 19 Mar, Olga Chekeres

[Petr Somberg]

 This is just a gentle reminder of our seminar starting soon!

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> Cohomology in algebra, geometry, physics and statistics
> Wednesday, 19 March 2025 - 13:30 to 14:30
> Place: Institute of Mathematics of ASCR, Žitná 25, Praha 1,   ZOOM meeting
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> Speaker: Olga  Chekeres, University of l'Aquila, Italy
> Title: Odd and generalized Wilson surfaces
> Abstract
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> In this talk I discuss various extensions and generalizations of Wilson
> surface observables in gauge theories. Previously, Wilson surface
> observables were interpreted as a class of Poisson sigma models. We
> profit from this construction to define and study the super version of
> Wilson surfaces. We provide some 'proof of concept' examples to
> illustrate modifications resulting from appearance of odd degrees of
> freedom in the target. We also explain some natural directions for
> defining the analogues of Wilson surface observables in higher
> dimensions.
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> The talk is mostly based on https://arxiv.org/abs/2403.09820. This is a
> joint work with Vladimir Salnikov.
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> We shall open ZOOM at 13.15 for  virtual coffee and close ZOOM at 15:00
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> Join Zoom Meeting
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> https://cesnet.zoom.us/j/99598413922?pwd=YXNFbk50aVhleXhWSGtISFViLytRU9
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> MeetingID:99598413922
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> Passcode:Galois
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> For more information see the seminar web page at
> https://www.math.cas.cz/index.php/events/seminar/16
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