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SUMMARY:Mikołaj Frączyk (University of Chicago)
DTSTART:20200916T190000Z
DTEND:20200916T200000Z
DTSTAMP:20260423T041810Z
UID:McGillGGT/2
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/McGillGGT/2/
 ">Growth of mod-p homology in higher rank lattices</a>\nby Mikołaj Frącz
 yk (University of Chicago) as part of McGill geometric group theory semina
 r\n\n\nAbstract\nIt is known since the late 70s that in locally symmetric 
 spaces of large injectivity radius\, the $k$-th real Betti number divided 
 by the volume is approximately equal to the $k$-th $L^2$ Betti number. Is 
 there an analogue of this fact for mod-$p$ Betti numbers? This question is
  still very far from being solved\, except for certain special families of
  locally symmetric spaces. In this talk\, I want to advertise a relatively
  new approach to study the growth of mod-$p$ Betti numbers based on a quan
 titative description of minimal area representatives of mod-$p$ homology c
 lasses.\n
LOCATION:https://researchseminars.org/talk/McGillGGT/2/
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