{
  "id": "1009.3411",
  "version": "v1",
  "published": "2010-09-17T13:06:10.000Z",
  "updated": "2010-09-17T13:06:10.000Z",
  "title": "A note on knots with H(2)-unknotting number one",
  "authors": [
    "Yuanyuan Bao"
  ],
  "comment": "6 pages, 4 figures",
  "categories": [
    "math.GT"
  ],
  "abstract": "We give an obstruction to unknotting a knot by adding a twisted band, derived from Heegaard Floer homology.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2010-09-17T13:06:10.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "57M25",
      "57M27",
      "57M50"
    ],
    "keywords": [
      "heegaard floer homology",
      "obstruction",
      "twisted band"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2010arXiv1009.3411B"
    }
  }
}