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UID:20260610T034831EDT-18544LRDS2@132.216.98.100
DTSTAMP:20260610T074831Z
DESCRIPTION:Title: Characterising local quasi-convexity\n\nAbstract: A hype
 rbolic group is locally quasi-convex if all of its finitely generated subg
 roups are quasi-convex. Local quasi-convexity is a very restrictive condit
 ion which implies several strong subgroup properties such as local hyperbo
 licity and decidability of the membership problem. In this talk I will ske
 tch a proof of the fact that cubulated locally quasi-convex hyperbolic gro
 ups are in fact all virtually free-by-cyclic. I will spend some time expla
 ining the main ingredients of the proof which mostly come from recent deve
 lopments in the theory of $L^2$-invariants and free-by-cyclic groups. (bas
 ed on my appendix to an article of Fisher--Sanchez-Peralta).\n\n \n\nWe wi
 ll gather in the lounge for teatime after the talk\, and then we will go f
 or dinner with Marco.\n
DTSTART:20260325T200000Z
DTEND:20260325T210000Z
LOCATION:Room 1104\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:Marco Linton (ICMAT)
URL:https://www.mcgill.ca/mathstat/channels/event/marco-linton-icmat-372073
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