English

Smoothly slice knots with Alexander polynomial 1 and high unknotting number

Geometric Topology 2025-07-22 v1

Abstract

We prove the existence of a smoothly doubly slice, amphicheiral knot with Alexander polynomial 1 and unknotting number 5.

Keywords

Cite

@article{arxiv.2507.15592,
  title  = {Smoothly slice knots with Alexander polynomial 1 and high unknotting number},
  author = {Lukas Lewark},
  journal= {arXiv preprint arXiv:2507.15592},
  year   = {2025}
}

Comments

7 pages, 1 figure, 3 tables. Comments welcome