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SUMMARY:Anubhav Mukherjee
DTSTART:20210412T190000Z
DTEND:20210412T200000Z
DTSTAMP:20260423T005648Z
UID:mitgt/15
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/mitgt/15/">O
 bstructions to embeddings in 4-manifolds using Bauer--Furuta type invarian
 t</a>\nby Anubhav Mukherjee as part of MIT Geometry and Topology Seminar\n
 \n\nAbstract\nIn this talk I will discuss some new properties of an invari
 ant for 4-manifold with boundary which was originally defined by Nobuo Iid
 a. As one of the applications of this new invariant I will demonstrate how
  one can obstruct a knot from being h-slice (i.e bound a homologically tri
 vial disk) in 4-manifolds. Also\, this invariant can be useful to detect e
 xotic smooth structures of 4-manifolds. This a joint work with Nobuo Iida 
 and Masaki Taniguchi.\n
LOCATION:https://researchseminars.org/talk/mitgt/15/
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