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SUMMARY:Relatively Hyperbolic Groups with Planar Boundaries
DTSTART;VALUE=DATE-TIME:20180514T143000Z
DTEND;VALUE=DATE-TIME:20180514T154500Z
DTSTAMP;VALUE=DATE-TIME:20191021T130443Z
UID:indico-event-3434@indico.math.cnrs.fr
DESCRIPTION:We will first explain the concepts of relatively hyperbolic gr
oup and the Bowditch boundary. We will then give some interesting examples
of groups whose boundaries embed in the two-sphere. The most prominent fa
mily of this type is the class of geometrically finite Kleinian groups. Ho
wever\, we show that there are lots of relatively hyperbolic groups with p
lanar boundaries that are not virtually Kleinian. We formulate a conjectur
e about which groups with planar boundary are virtually Kleinian\, and pro
ve this in a certain case. This is joint work in progress with Chris Hrusk
a.\n\nhttps://indico.math.cnrs.fr/event/3434/
LOCATION:IHES Amphithéâtre Léon Motchane
URL:https://indico.math.cnrs.fr/event/3434/
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