{
  "id": "1012.3267",
  "version": "v2",
  "published": "2010-12-15T10:19:55.000Z",
  "updated": "2012-02-28T23:15:04.000Z",
  "title": "Explicit computation of the index of a positive outer automorphism of the free group",
  "authors": [
    "Yann Jullian"
  ],
  "comment": "31 pages, 2 figures. v2: small error in steps (3.1.3) and (3.1.4) of the algorithm corrected. Paragraph and examples added in section 3.2.1",
  "categories": [
    "math.GR",
    "math.DS"
  ],
  "abstract": "We give an algorithm for finding the index of a positive outer automorphism of the free group, and prove the algorithm exits in a finite time.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2012-02-28T23:15:04.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "20E05",
      "20D45",
      "37B10",
      "20F65",
      "20E08"
    ],
    "keywords": [
      "positive outer automorphism",
      "free group",
      "explicit computation",
      "algorithm exits"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 31,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2010arXiv1012.3267J"
    }
  }
}