[Binghamton Geometry Topology Seminar] dinner with speaker (Monday)

[Matt Brin]

Those interested in going to dinner with the speaker today (Monday) let
me know.  Place to be decided (taking into account the usual Monday
closings).

Matt




On Fri, Oct 25, 2019 at 09:04:48PM -0400, sapir at math.binghamton.edu wrote:
> 
> Next week, we will meet twice: Monday at 4:30pm, and Thursday at 2:50 (as
> usual).
> 
> 
> SPECIAL DATE AND TIME: October 28, 4:30 - 5:30, WH 100E
>  Speaker: Yash Lodha (EPFL)
> 
>  Title: Property FW and smoothability   Abstract: I shall describe joint
> work with Matte Bon and  Triestino. We demonstrate that aperiodic actions
> of Kazhdan groups by  countably singular diffeomorphisms on closed
> manifolds are smoothable.  In the case of the circle, we obtain a proof
> that groups of piecewise  linear or piecewise projective homeomorphisms
> are not Kazhdan unless  they are finite. The key new idea is the
> application of Property FW,  which is a weakening of Kazhdan's property (T).
> 
> 

-- 
matt brin / math. dept / SUNY / Binghamton, NY 13902-6000 / (607)-777-2147
FAX: (607)-777-2450
EMAIL: matt at math.binghamton.edu
WWW: http://www2.math.binghamton.edu/p/people/matt/start