BIRS Workshop Lecture Videos

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BIRS Workshop Lecture Videos

A survey on topological concordance and disk embedding Cha, Jae Choon


I will give an overview of topological concordance of knots and links. It will include disk embedding in dimension 4 and its relationship with concordance, filtrations defined from symmetric and asymmetric gropes and Whitney towers, invariants revealing their structures, and related topics as well as open questions in the area.

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