{
  "id": "math/9811083",
  "version": "v1",
  "published": "1998-11-12T14:16:22.000Z",
  "updated": "1998-11-12T14:16:22.000Z",
  "title": "Linear systems representing threefolds which are scrolls on a rational surface",
  "authors": [
    "Emilia Mezzetti",
    "Dario Portelli"
  ],
  "comment": "14 pages, Plain-TeX, to be published in Collectanea Mathematica",
  "categories": [
    "math.AG"
  ],
  "abstract": "Let X be a scroll over a rational surface. We construct a linear system of surfaces in P^3 yielding a birational map from P^3 to X. We apply this construction to the scrolls of Bordiga and Palatini.",
  "revisions": [
    {
      "version": "v1",
      "updated": "1998-11-12T14:16:22.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "14C20",
      "14J30",
      "14M07",
      "14M20"
    ],
    "keywords": [
      "linear systems representing threefolds",
      "rational surface",
      "birational map",
      "construction"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 14,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "1998math.....11083M"
    }
  }
}