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GTC 2019: Speaker: Liam Wilson

Boyd Room 328

Title: Invariants of tangles from the Fukaya category of the 4-punctured sphere

Abstract: I will discuss a reinterpretation of Bar-Natans description of Khovanov homology in terms of immersed curves in the 4-punctured sphere. This point of view has some interesting algebraic consequences; the talk will focus on examples.

This is joint work with Artem Kotelskiy and Claudius Zibrowius.

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