[PHK_seminar] [Cohomology]Wednesday 23 Apr, Giles Gardam

[Igor Khavkine]

Dear All,

The video recording of the talk by Giles Gardam from this week is now 
available on YouTube at

   https://youtu.be/IvfIQjGRwh0

This link has also been recorded at the ResearchSeminars announcement

   https://researchseminars.org/talk/PHK-cohomology-seminar/130/

Best,

Igor

On 4/21/25 1:00 PM, sender of seminar announcement via phk_seminar wrote:
> Wednesday, 23 April 2025 - 13:30 to 14:30
> Place: Institute of Mathematics of ASCR, Žitná 25, Praha 1, ZOOM meeting
> 
> Speaker: Giles Gardam, University of Bonn
> Title: The Kaplansky conjectures
> 
> Abstract
> 
> There is a series of four long-standing conjectures on group rings that 
> are attributed to Kaplansky. For example, the zero divisor conjecture 
> states that the group ring of a torsion-free group over a field has no 
> zero divisors. I will discuss what is known about these conjectures and 
> my disproof of the unit conjecture.
> 
> ----------------------------------------------------------------------------------------------------------------------------
> 
> 
> We shall open the ZOOM meeting at 13.15 for coffee and close it 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
> 
> 
> -----------------------------------------------------------------------------------------------------------------------
> 
> 
> On the next Wednesday April 30, *Malkhaz Bakuradze, *Iv. Javakhishvili 
> Tbilisi State University, shall continue his lecture *The transfer and 
> Symplectic Cobordism II*
> 
> https://www.math.cas.cz/index.php/events/event/3887
> 
> 
> 
> 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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