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Tethered curve complexes and homology stability

Geometry of mapping class groups and Out(Fn) October 25, 2016 - October 28, 2016

October 25, 2016 (09:30 AM PDT - 10:30 AM PDT)
Speaker(s): Karen Vogtmann (University of Warwick)
Location: SLMath: Eisenbud Auditorium
Tags/Keywords

  • homological stability

  • Mapping Class Group

  • Curve Complex

Primary Mathematics Subject Classification
Secondary Mathematics Subject Classification No Secondary AMS MSC
Video

14623
Abstract

We study the topology of several variations of curve complexes, then use them to give a newly streamlined proof of homology stability for surface mapping class groups.  This is joint work with Allen Hatcher.
Supplements
27126?type=thumb Vogtmann. Notes 1.25 MB application/pdf Download
Video/Audio Files

14623

H.264 Video 14623.mp4 362 MB video/mp4 rtsp://videos.msri.org/14623/14623.mp4 Download
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