Showing math.GTShow all
2 papers · 1 filter
math.GT2026
Linking-form splitting and four-dimensional genera of knots
Seong-Jin Lee
By Gilmer's splitting lemma, the linking form of a rational homology sphere that bounds a 4-manifold is the orthogonal sum of a metabolic summand and a summand presented by a form…
math.GT2026
Computation of unknotting numbers: which knot breaks the Bernhard-Jablan Conjecture
Seong-Jin Lee
We determine unknotting numbers of prime knots with at most crossings, that are unknown in the KnotInfo snapshot of 9 September 2026. The lower-bound calculations use…