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SUMMARY:Surface subgroups of cubulable hyperbolic groups - Henry Wilton\, 
 Cambridge
DTSTART:20190123T160000Z
DTEND:20190123T170000Z
UID:TALK116971@talks.cam.ac.uk
CONTACT:Ivan Smith
DESCRIPTION: I’ll describe recent work which finds surface subgroups of 
 certain graphs of free groups. When combined with the work of Agol\, Wise 
 and others\, it follows that all cubulable hyperbolic groups have surface 
 subgroups\, unless they are free\, answering a question of Gromov in the c
 ubulable case. In particular\, surface subgroups can be found in small-can
 cellation groups\, and in hyperbolic mapping tori of free group automorphi
 sms.
LOCATION:MR13
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