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UID:20260602T184125EDT-0121CCzIou@132.216.98.100
DTSTAMP:20260602T224125Z
DESCRIPTION:Title: Measure equivalence and wreath product groups\n	\n	Abstrac
 t: Measure equivalence is an equivalence relation on the space of groups t
 hat was defined by Gromov in the 90's as an analytic analogue of quasi-iso
 metry. Let F be a nonabelian free group. We show that if $L_1$ and $L_2$ a
 re measure equivalent groups\, then the wreath products $L_1\wr F$ and $L_
 2\wr F$ are measure equivalent with index.  We also make several observati
 ons about the way one-ended groups can live inside a wreath product group 
 $B\wr L$. In particular\, we conclude that if $\phi$ is any automorphism o
 f $B\wr L$ and $L$ is one-ended\, then $\phi(L)$ is conjugate to $L$. This
  is joint work with Robin Tucker-Drob.\n
DTSTART:20221116T200000Z
DTEND:20221116T210000Z
LOCATION:Room 920\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue 
 Sherbrooke Ouest
SUMMARY:Konrad Wrobel (91ºÚÁÏÍø)
URL:/mathstat/channels/event/konrad-wrobel-mcgill-univ
 ersity-343488
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