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Knot theory meets the embedding calculus, II

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Danica Kosanovic
Mon, 2019-12-02 16:30 - 17:30
MPIM Lecture Hall
Parent event: 
MPIM Topology Seminar

The embedding calculus of Goodwillie and Weiss is a certain homotopy theoretic technique for studying spaces of embeddings. When applied to the space of knots this method gives a sequence of knot invariants which are conjectured to be universal Vassiliev invariants. This is remarkable since such invariants have been constructed only rationally so far and many questions about possible torsion remain open. In this talk I will present a geometric viewpoint on the embedding calculus, which enables explicit computations. In particular, I will present a proof that these invariants are surjective maps, which confirms part of the conjecture.

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