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SUMMARY:Geometric simple connectivity in dimension four [MPIM]
DTSTART:20250422T090000Z
DTEND:20250422T100000Z
DTSTAMP:20260416T084000Z
UID:indico-event-256@math-events.uni-bonn.de
DESCRIPTION:Speakers: Inanc Baykur (University of Massachusetts Amherst)\n
 \nLow-dimensional topology seminar\nEvery simply connected closed smooth m
 anifold of dimension other than four admits a handle decomposition without
  1-handles\; this follows from the celebrated work of Smale in higher dime
 nsions and of Perelman in dimension three. Whether the same holds in dimen
 sion four remains a wide open question. I’ll survey the state of the art
  and explain our recent (partial) progress\, which includes settling a 30-
 year-old problem from Kirby’s problem list.\n\nhttps://math-events.uni-b
 onn.de/event/256/
LOCATION:MPIM\, Vivatsgasse\,  7 - Lecture Hall (Max Planck Institute for 
 Mathematics)
URL:https://math-events.uni-bonn.de/event/256/
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