{
  "id": "1402.5509",
  "version": "v1",
  "published": "2014-02-22T13:13:43.000Z",
  "updated": "2014-02-22T13:13:43.000Z",
  "title": "On the Cox ring of blowing up the diagonal",
  "authors": [
    "Hendrik Bäker"
  ],
  "comment": "8 pages",
  "categories": [
    "math.AG"
  ],
  "abstract": "We compute the Cox rings of the blow-ups $\\mathrm{Bl}_\\Delta(X'\\times X')$ and $\\mathrm{Bl}_\\Delta(\\mathbb P_1^n)$ where $X'$ is a product of projective spaces and $\\Delta$ is the (generalised) diagonal.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2014-02-22T13:13:43.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "14C20",
      "14M25"
    ],
    "keywords": [
      "cox ring",
      "projective spaces"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 8,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2014arXiv1402.5509B"
    }
  }
}