[PHK_seminar] [Cohomology]Wednesday 17 Dec, Hông Vân Lê

[Igor Khavkine]

Dear All,

The video recording of the talk by Hông Vân Lê from this week is now 
available on YouTube at

   https://youtu.be/nL5zUbHP0As

The slides are available from

   https://users.math.cas.cz/~hvle/PHK/LeProbabilistic2025.pdf

Both links have also been recorded at the ResearchSeminars announcement

   https://researchseminars.org/talk/PHK-cohomology-seminar/145/


Wishing a nice holiday break to everyone! The seminar will continue in 
the new year, with the next talk on Feb 11.


Best,

Igor

On 12/15/25 1:00 PM, sender of seminar announcement via phk_seminar wrote:
> Wednesday, 17 December 2025 - 13:30 to 14:30
> Place: Institute of Mathematics of ASCR, Žitná 25, Praha 1, the blue 
> lecture room + ZOOM meeting
> 
> Speaker: Hông Vân Lê, Institute of Mathematics of ASCR
> Title: Probabilistic morphisms, stochastic processes, and Bayesian 
> supervised learning
> 
> Abstract
> 
> Using a categorical approach to Markov kernels, and 
> stochastic processes taking values in the space of probability measures 
> on a label space, I propose
> 
>   a unifying model for Bayesian supervised learning.  I 
> show that  batch learning  equals online learning 
> in Bayesian supervised learning.
> 
> As a result, I derive a recursive formula for predictive distributions 
> which reduces to the Kalman filter in Gaussian process regression.
> 
> Finally, I shall discuss some related problems in mathematical machine 
> learning.
> 
> ----------------------------------------------------------
> 
> 
> We shall open the seminar room + ZOOM meeting at 13.15 for (virtual) 
> coffee and close ZOOM at 15.00
> 
> 
> Join Zoom Meeting
> 
> 
> https://cesnet.zoom.us/j/99598413922? 
> pwd=YXNFbk50aVhleXhWSGtISFViLytRUT09 <https://cesnet.zoom.us/ 
> j/99598413922?pwd=YXNFbk50aVhleXhWSGtISFViLytRUT09>
> 
> 
> Meeting ID: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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