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UID:7284@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20180618T000000
DTEND;TZID=Europe/Paris:20180622T000000
DTSTAMP:20241120T203858Z
URL:https://www.i2m.univ-amu.fr/evenements/boundaries-of-groups-morlet-cha
 ir-genevieve-walsh/
SUMMARY:Workshop (CIRM\, Luminy\, Marseille): Boundaries of Groups (Morlet 
 Chair Genevieve Walsh)
DESCRIPTION:Workshop: \n\n\n\n CIRM - Jean-Morlet Chair \n Genevieve WALSH 
 - Luisa PAOLUZZI\n\nGeometry\, Topology and Group Theory in Low Dimensions
 \n\nGéométrie\, topologie et théorie des groupes de petites dimensions\
 n\n\n 2018-Semester 1 \n\n\n\n\n\n\n\n\n\n\n\nWORKSHOP - PETIT GROUPE\nBou
 ndaries of Groups (1906)\nBords de Groupes\nDates: 18-22 June 2018 at CIRM
  (Marseille Luminy\, France) \n\n\n\n\n\n\n\n\n\n PARTICIPANTS \n\n\n\n\n\
 n\n\n\n\n\n\n\n\n\n\n\nDESCRIPTION\n\n\n\nThis workshop aims to address th
 e following topics regarding the boundaries of hyperbolic\, relatively hyp
 erbolic and CAT(0) groups.\n\nCannon’s Conjecture and related conjecture
 s: If a torsion-free hyperbolic group group has boundary at infinity a 2-s
 phere\, must the group be a lattice in SO(3\, 1)? This is one of the rem
 aining outstanding problems in 3-dimensional topology. Some related work w
 as done by Kapovich-Kleiner (boundary a Sierpinski carpet). Higher dimensi
 onal topological analogues are known (Bartels-Lück-Reich\, Lafont-Tshishi
 ku).\n\nRelation to QIs: In some cases\, properties of the boundary can be
  used to “fill in” and obtain rigidity results about spaces. For examp
 le Bonk-Schramm related the existence of bi-Lipschitz homeomorphism of bou
 ndaries to the existence of almost-isometries between spaces.\n\nCAT(0) bo
 undaries: A famous example of Croke-Kleiner shows that the boundary at inf
 inity of a CAT(0) space is not a QI-invariant. However\, recent work of Ch
 arney- Sultan shows that certain subsets of the boundary are QI-invariant.
  Are there other naturally definite subsets of the boundary that are QI-in
 variant?\n\nBoundaries of Hyperbolic Buildings: These provide an important
  testing ground for studying metric properties of the boundary.\n\nRelativ
 ely hyperbolic groups: What is the “best” boundary for a relatively 
 hyperbolic group? The boundary of the hyperbolic space on which the group 
 acts geometrically finitely (known as the Bowditch boundary)? A CAT(0) typ
 e boundary? Is there a way to put a quasi-conformal structure that is mean
 ingful on either of these boundaries?\n\nRigidity: What group theoretical
  information can be obtained from the topology of the boundary?\n\n\n\n\n\
 n[su_spacer]\n\n\n\n\n\n\n\nSCIENTIFIC COMMITTEE\n\n\n\n 	Brian H. Bowditc
 h (University of Warwick)\n 	François Dahmani (Université Grenoble Alp
 es)\n 	Hamish Short (Aix-Marseille University)\n\n\n\nORGANIZING COMMITTEE
 \n\n\n\n 	Luisa Paoluzzi (Aix-Marseille Université)\n 	Genevieve Walsh (
 Tufts University &amp\; Aix-Marseille University)\n\n\n\nSPEAKERS\n\n\n\n 
 	Carolyn Abbott (University of California)\n 	Michel Boileau (Aix-Marseill
 e Université)\n 	Indira Chatterji (Université de Nice)\n 	Pallavi Dani (
 Louisiana State University)\n 	Talia Fernos (UNC Greensboro)\n 	Vincent Gu
 irardel (Université Rennes 1)\n 	Peter Haïssinsky (Aix-Marseille Univers
 ité)\n 	Thomas Haettel (Université de Montpellier)\n 	Matt Haulmark (Van
 derbilt University)\n 	Arnaud Hilion (Aix-Marseille Université)\n 	Gilber
 t Levitt (Université de Caen)\n 	Jason Manning (Cornell University)\n 	Da
 mian Osajda (Universitat Wien)\n 	Luisa Paoluzzi (Aix-Marseille Universit
 é)\n 	Bertrand Remy (Ecole polytechnique)\n 	Hamish Short (Aix-Marseille 
 Université)\n 	Alessandro Sisto (ETH Zurich)\n 	Juan Souto (University of
  British Columbia)\n 	Genevieve Walsh (Tufts University &amp\; Aix-Marseil
 le Université)\n\n\n\n\n\n\n\n\n\n\nNB: In accordance with the Statement
  of Inclusiveness (http://www.math.toronto.edu/~rafi/statement/) this eve
 nt will be open to everybody\, regardless of race\, sex\, religion\, natio
 nal origin\, sexual orientation\, gender identity\, disability\, age\, pre
 gnancy\, immigration status\, or any other aspect of identity.\n\n\n\n\n  
 \n\n\n\n\n\n\n\n\n\n\n
ATTACH;FMTTYPE=image/jpeg:https://www.i2m.univ-amu.fr/wp-content/uploads/2
 018/06/image_gdac-finite_subdivision_rule-cannon_s_conjecture-x450.jpg
CATEGORIES:Manifestation scientifique,Morlet Chair Semester,Morlet
 Workshop
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TZID:Europe/Paris
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DTSTART:20180325T030000
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