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3- and 4-manifolds via knots and links

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Arunima Ray
Mon, 2021-02-08 14:00 - 15:00
Parent event: 
MPIM Topology Seminar
Meeting ID: 916 5855 1117
Password: as before.
Contact: Aru Ray and Tobias Barthel.
In this introductory talk, we will explain how 3- and 4-manifolds are concretely described in terms of knots and links. We will prove that every closed, oriented 3-manifold is the boundary of some 4-manifold. We will describe some questions related to 3- and 4-manifolds, several open and one recently closed, namely the triangulation conjecture.
File 3 and 4 manifolds via knots and links-Ray.pdf2.38 MB
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