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SUMMARY:The Alexander polynomial\, its categorification and gluing - Tom H
 ockenhull (Imperial)
DTSTART:20161014T140000Z
DTEND:20161014T150000Z
UID:TALK67819@talks.cam.ac.uk
CONTACT:36916
DESCRIPTION:The Alexander polynomial is a classical (1923) invariant for k
 nots and links\, and can be defined in a number of different\, elementary 
 ways. Link Floer homology is a less classical invariant for knots and link
 s\, and ‘categorifies’ the Alexander polynomial. I will try to give on
 e definition of the Alexander polynomial\, and hint at how one defines kno
 t Floer homology and sees that it categorifies the Alexander polynomial. T
 ime permitting\, I will discuss how we might ‘glue’ things together in
  both settings
LOCATION:MR13
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