Characterisations of homotopy ribbon discs

Abstract: After reviewing some notions related to knot concordance, we explore the following question: how many slice discs does a slice knot admit?

This is joint work with Mark Powell.

geometric topology

Audience: researchers in the topic

Knot theory seminar in Warsaw

Series comments: Description: Research seminar on knot theory

The zoom link is available on the seminar webpage.

Meeting ID: 846 2302 8036, Password: the last name of the first-named author of this fundamental paper on knot theory: Holomorphic disks and topological invariants for closed three-manifolds.