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SUMMARY:Rob Kropholler (Warwick)
DTSTART:20250109T133000Z
DTEND:20250109T143000Z
DTSTAMP:20260423T021103Z
UID:GaTO/116
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GaTO/116/">A
 n explicit bound on the Dehn function of a subgroup of a hyperbolic group<
 /a>\nby Rob Kropholler (Warwick) as part of Geometry and topology online\n
 \nLecture held in Room B3.02 in the Zeeman Building\, University of Warwic
 k.\n\nAbstract\nHyperbolic groups are characterised by having a linear Deh
 n function. This property does not pass to finitely presented subgroups\, 
 by work of Brady.  This opens the question of what Dehn functions of finit
 ely presented subgroups of hyperbolic groups can be. In this talk I will d
 etail what is known and give an explicit upper bound for the Dehn function
  of Brady’s example.\n\nThis is joint work with Claudio Llosa Isenrich a
 nd Ignat Soroko.\n
LOCATION:https://researchseminars.org/talk/GaTO/116/
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