{
  "id": "1103.0062",
  "version": "v2",
  "published": "2011-03-01T01:47:42.000Z",
  "updated": "2011-10-06T17:47:06.000Z",
  "title": "The Elementary Divisors of the Incidence Matrix of Skew Lines in PG(3,q)",
  "authors": [
    "Andries E. Brouwer",
    "Joshua E. Ducey",
    "Peter Sin"
  ],
  "comment": "13 pages. The results of this paper supersede those in the paper arXiv:math/1001.2551 V2. Minor corrections",
  "categories": [
    "math.CO",
    "math.GR"
  ],
  "abstract": "The elementary divisors of the incidence matrix of lines in PG(3,q) are computed, where two lines are incident if and only if they are skew.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2011-10-06T17:47:06.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "05B20",
      "05E30",
      "20C33",
      "51E20"
    ],
    "keywords": [
      "incidence matrix",
      "elementary divisors",
      "skew lines"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 13,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2011arXiv1103.0062B"
    }
  }
}