A note on knots with H(2)-unknotting number one
arXiv:1009.3411
Abstract
We give an obstruction to unknotting a knot by adding a twisted band, derived from Heegaard Floer homology.
6 pages, 4 figures
arXiv:1009.3411
We give an obstruction to unknotting a knot by adding a twisted band, derived from Heegaard Floer homology.
6 pages, 4 figures