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SUMMARY:Claudius Zibrowius (UBC Vancouver)
DTSTART:20200714T140000Z
DTEND:20200714T151500Z
DTSTAMP:20260423T022811Z
UID:rlgts/9
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/rlgts/9/">Th
 in links and Conway spheres</a>\nby Claudius Zibrowius (UBC Vancouver) as 
 part of Regensburg low-dimensional geometry and topology seminar\n\n\nAbst
 ract\nWhen does Dehn surgery along a knot give an L-space? More generally\
 , when does splicing two knot complements give an L-space? Hanselman\, Ras
 mussen and Watson gave very compelling answers to these questions using th
 eir technology of immersed curves for three-manifolds with torus boundary.
  Similar invariants have been developed for four-ended tangles. We use tho
 se invariants to study various notions of thinness in both Heegaard Floer 
 and Khovanov homology from the perspective of tangle decompositions along 
 Conway spheres. Interestingly\, our results bear strong resemblance to the
  aforementioned results about L-spaces. Also\, we observe strong similarit
 ies between Heegaard Floer and Khovanov homology that lead us to ask: What
  is a thin link? This is joint work with Artem Kotelskiy and Liam Watson.\
 n
LOCATION:https://researchseminars.org/talk/rlgts/9/
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