English

A note on knots with H(2)-unknotting number one

Geometric Topology 2010-09-20 v1

Abstract

We give an obstruction to unknotting a knot by adding a twisted band, derived from Heegaard Floer homology.

Keywords

Cite

@article{arxiv.1009.3411,
  title  = {A note on knots with H(2)-unknotting number one},
  author = {Yuanyuan Bao},
  journal= {arXiv preprint arXiv:1009.3411},
  year   = {2010}
}

Comments

6 pages, 4 figures

R2 v1 2026-06-21T16:15:22.827Z