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CATEGORIES:Differential Geometry and Topology Seminar
SUMMARY:Morse 2-functions and trisections of 4-manifolds -
  Rob Kirby\, Berkeley
DTSTART;TZID=Europe/London:20121031T160000
DTEND;TZID=Europe/London:20121031T170000
UID:TALK39489AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/39489
DESCRIPTION: In joint work with David Gay\, we show existence 
 and uniqueness of Morse 2-functions (also known as
  broken Lefschetz fibrations)\, and then existence
  and uniqueness (up to stabilization) of trisectio
 ns of 4-manifolds (analogous to Heegaard splitting
 s of 3-manifolds).
LOCATION:MR13
CONTACT:Ivan Smith
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