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

[Igor Khavkine]

Dear All,

The video recording of the talk by Olga Chekeres from the past week is 
now available on YouTube at

   https://youtu.be/t5RnuI1L8nM

The slides of the talk are available from

   https://users.math.cas.cz/~hvle/PHK/Chekeres2025.pdf

Both links have also been recorded at the ResearchSeminars announcement

   https://researchseminars.org/talk/PHK-cohomology-seminar/125/

Best,

Igor

On 3/17/25 1:00 PM, sender of seminar announcement via phk_seminar wrote:
> Wednesday, 19 March 2025 - 13:30 to 14:30
> Place: Institute of Mathematics of ASCR, Žitná 25, Praha 1, ZOOM meeting
> 
> Speaker: Olga Chekeres, University of l'Aquila, Italy
> Title: Odd and generalized Wilson surfaces
> 
> Abstract
> 
> 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.
> 
> 
> The talk is mostly based on https://arxiv.org/abs/2403.09820. This is a 
> joint work with Vladimir Salnikov.
> 
> ----------------------------------------------------------------------------------------------------------------------------
> 
> 
> We shall open ZOOM at 13.15 for virtual coffee and close ZOOM at 15:00
> 
> 
> Join Zoom Meeting
> 
> 
> https://cesnet.zoom.us/j/99598413922?pwd=YXNFbk50aVhleXhWSGtISFViLytRU9 
> <https://cesnet.zoom.us/j/99598413922?pwd=YXNFbk50aVhleXhWSGtISFViLytRU9>
> 
> 
> MeetingID:99598413922
> 
> 
> Passcode:Galois
> 
> 
> For more information see the seminar web page at
> https://www.math.cas.cz/index.php/events/seminar/16
> 
> Cohomology in algebra, geometry, physics and statistics mailing list
> phk_seminar at math.cas.cz
> https://list.math.cas.cz/listinfo/phk_seminar@math.cas.cz
> 
> 
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