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SUMMARY:Floris Elzinga (University of Oslo\, Norway)
DTSTART:20211123T100000Z
DTEND:20211123T110000Z
DTSTAMP:20260422T175601Z
UID:QGS/43
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QGS/43/">Str
 ongly 1-Bounded Quantum Group von Neumann Algebras</a>\nby Floris Elzinga 
 (University of Oslo\, Norway) as part of Quantum Groups Seminar [QGS]\n\n\
 nAbstract\nStrong $1$-boundedness is a property for a tracial von Neumann 
 algebra $M$ that was introduced by Jung that allows one to distinguish $M$
  from the (interpolated) free group factors. Many examples came from group
  von Neumann algebras\, such as those from certain groups having property 
 (T). For quantum group von Neumann algebras\, Brannan and Vergnioux showed
  in a landmark paper that those coming from the orthogonal free quantum gr
 oups are strongly $1$-bounded\, despite sharing many structural properties
  with the free group factors. We first review these developments\, and the
 n report on recent progress concerning permanence of strong $1$-boundednes
 s under finite index subfactors and applications to quantum automorphism g
 roups such as the quantum permutation group $S_{N^2}^+$. This last part is
  based on ongoing joint work with Brannan\, Harris\, and Yamashita.\n\nNot
 e the unusual day and time!\n
LOCATION:https://researchseminars.org/talk/QGS/43/
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