activity
20152023
most citedIsotopies of surfaces in 4-manifolds via banded unlink diagrams

16 citations · 41 across the 13 of their papers we have counts for

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Showing 2022Show all

2 papers · 1 filter

math.GT2022

Unknotting via null-homologous twists and multi-twists

Samantha Allen, Kenan Ince, Seungwon Kim +2

The untwisting number of a knot K is the minimum number of null-homologous twists required to convert K to the unknot. Such a twist can be viewed as a generalization of a crossing…

math.GT2022

Seifert surfaces in the 4-ball

Kyle Hayden, Seungwon Kim, Maggie Miller +2

We answer a question of Livingston from 1982 by producing Seifert surfaces of the same genus for a knot in that do not become isotopic when their interiors are pushed into $B…