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X-FROM-URL:https://eom.sdu.dk/events/ical/e3f9378c-492f-4cd6-99fb-5e497d95
 95b5
X-WR-CALNAME:QM Research Seminar: Sutured Legendrian stops and the conorma
 l of braids
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260420T062935Z
DTSTART:20261028T030000
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DTSTAMP:20260420T062935Z
DTSTART:20260325T020000
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DESCRIPTION:[b]Seminar by Côme Dattin [/b](Uppsala University) [nl]\n[b]Ab
 stract: [/b][nl]\nStarting with a Riemannian manifold M\, its unit bundle
  UM is a contact manifold\, whose Reeb vector field lifts the geodesic fl
 ow. Given a submanifold N\, its unit conormal is a Legendrian submanifold
  in UM. Thus this construction takes us from the smooth world to the cont
 act world\, and one may use Legendrian invariants to study smooth (sub)ma
 nifolds.\nIn this talk we will show that\, if the unit conormals of two s
 urface braids are Legendrian isotopic (relatively to their boundary)\, th
 en the braids are equivalent. The main tool will be an invariant of Legen
 drians with boundary\, called the stopped sutured homology. Using its ass
 ociated exact sequence\, we recover a classical invariant of braids\, nam
 ely an automorphism of the punctured surface.\n[nl]
DTEND:20221202T140000Z
DTSTAMP:20260420T062935Z
DTSTART:20221202T130000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: Sutured Legendrian stops and the conormal of 
 braids
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