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SUMMARY:RAAGedy RACGs - Christopher Cashen (Technische Universität Wien)
DTSTART:20250707T143000Z
DTEND:20250707T153000Z
UID:TALK232813@talks.cam.ac.uk
DESCRIPTION:Every right-angled Artin group is commensurable to a right-ang
 led Coxeter group [Davis-Januszkiewicz 2000]. In the other direction\, the
 re are some quasiisometry invariants like quadratic divergence and having 
 totally disconnected Morse boundary that are necessary for a group to be q
 uasiisometric to a RAAG\, but these do not tell the full story. We focus o
 n the 2--dimensional case and give conditions on the presentation graph of
  a RACG that imply it is quasiisometric to a RAAG and other conditions tha
 t imply it is not. Our methods completely answer the question of whether o
 r not the RACG is quasiisometric to some RAAG when the presentation graph 
 has at most 10 vertices.&nbsp\;\nThis is joint work with Pallavi Dani\, Al
 exandra Edletzberger\, and Annette Karrer.\n&nbsp\;
LOCATION:Seminar Room 1\, Newton Institute
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