University of Cambridge > > Junior Geometry Seminar > On the wrapped Fukaya category of the 4-punctured sphere

On the wrapped Fukaya category of the 4-punctured sphere

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  • UserClaudius Zibrowius (Cambridge) World_link
  • ClockFriday 29 April 2016, 15:00-16:00
  • HouseMR13.

If you have a question about this talk, please contact Christian Lund.

The starting point of this talk will be a non-glueable categorification of certain tangle invariants generalising the Alexander polynomial of knots and links. After discussing their construction and some properties, we will specialise to 2-stranded tangles and explore what a glueing formula should look like in this case. As an application, we will see why mutation of a (-2,3)-pretzel tangle does not change delta-graded knot Floer homology. This is joint work with Jake Rasmussen.

This talk is part of the Junior Geometry Seminar series.

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