{
  "id": "0711.1850",
  "version": "v2",
  "published": "2007-11-12T19:29:04.000Z",
  "updated": "2008-05-20T22:40:03.000Z",
  "title": "On the mu-bar invariant of rational surface singularities",
  "authors": [
    "Andras I. Stipsicz"
  ],
  "comment": "12 pages, minor mistakes corrected",
  "categories": [
    "math.GT"
  ],
  "abstract": "We show that for rational surface singularities with odd determinant the mu-bar invariant defined by W. Neumann is an obstruction for the link of the singularity to bound a rational homology 4-ball. We identify the mu-bar invariant with the corresponding correction term in Heegaard Floer theory.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2008-05-20T22:40:03.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "rational surface singularities",
      "singularity",
      "heegaard floer theory",
      "odd determinant",
      "rational homology"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 12,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2007arXiv0711.1850S"
    }
  }
}