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UID:20251221T061319EST-3316VnCREM@132.216.98.100
DTSTAMP:20251221T111319Z
DESCRIPTION:Growth under automorphisms of hyperbolic groups\n\nLet G be a f
 initely generated group\, let S be a finite generating set of G\, and let 
 f be an automorphism of G. A natural question is the following: what are t
 he possible asymptotic behaviours for the length of f^n(g) written as a wo
 rd in the generating set S\, as n goes to infinity\, and as g varies in th
 e group G? Growth was described by Thurston when G is the fundamental grou
 p of a hyperbolic surface\, and can be understood from Bestvina-Handel's w
 ork on train-tracks when G is a free group. We investigate the case of a g
 eneral torsion-free hyperbolic group. This is a joint work with Rémi Coulo
 n\, Arnaud Hilion\, and Gilbert Levitt.\n
DTSTART:20181017T190000Z
DTEND:20181017T200000Z
LOCATION:Room 1104\, Burnside Hall\, CA\, QC\, Montreal\, H3A 0B9\, 805 rue
  Sherbrooke Ouest
SUMMARY:Camille Horbez\, University of Paris-Sud
URL:/mathstat/channels/event/camille-horbez-university
 -paris-sud-290546
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