Daemi–Scaduto's torus-knot Slice–Ribbon conjecture
Let be the -torus knot in , where and are positive coprime integers, and let be a knot concordant to . A ribbon concordance is a concordance whose projection to is a Morse function without local maxima. Daemi–Scaduto's torus-knot Slice–Ribbon conjecture. There is a ribbon concordance from to . This generalizes Fox's Slice–Ribbon conjecture from the unknot to torus knots. The source does not state whether this generalization has been resolved.
References
Primary source
Hayato Imori, “Instanton knot invariants with rational holonomy parameters and an application for torus knot groups”, arXiv:2108.13998 (2022).
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