2 papers
math.GT2026
Equivariant Unknotting Number and Involutive Khovanov Homology
KeeTaek Kim
We demonstrate that the equivariant unknotting number of a strongly invertible knot is bounded below by the -torsion order o…
math.GT2025
A diagrammatic approach to the Rasmussen invariant via tangles and cobordisms
KeeTaek Kim, Taketo Sano
We introduce a diagrammatic approach to Rasmussen's -invariant, based on Bar-Natan's reformulation of Khovanov homology for tangles and cobordisms. This method enables a local c…