#ribbon concordance

topicribbon concordance

2 papers · 1 filter

math.GT2026

Braid closure union braid axis is ribbon concordance minimal

Benjamin Daniels

The paper proves that a ribbon‑concordance‑minimal fibered knot in the 3‑sphere can produce ribbon‑concordance‑minimal links by attaching any braid closure in its complement, and t…

math.GT2026

Unknotting number, ribbon concordance, and singular instantons

Hayato Imori, JungHwan Park, Masaki Taniguchi

The authors apply equivariant singular instanton Floer theory equipped with a Chern–Simons filtration to prove that unknotting sequences for many slice knots obtained via ribbon co…