{
  "id": "math/0602263",
  "version": "v1",
  "published": "2006-02-13T05:07:24.000Z",
  "updated": "2006-02-13T05:07:24.000Z",
  "title": "A New Approach to Signed Eulerian Numbers",
  "authors": [
    "Shinji Tanimoto"
  ],
  "comment": "9 pages",
  "categories": [
    "math.CO"
  ],
  "abstract": "The numbers of even and odd permutations with a given ascent number are investigated using an operator that was previously introduced by the author. Their difference is called a signed Eulerian number. By means of the operator the recurrence relation for signed Eulerian numbers is deduced, which was obtained by an analytic method. Our approach is straightforward and enables us to deduce other properties including divisibility by prime powers.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2006-02-13T05:07:24.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "05A05",
      "20B30"
    ],
    "keywords": [
      "signed eulerian number",
      "recurrence relation",
      "ascent number",
      "odd permutations",
      "analytic method"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 9,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2006math......2263T"
    }
  }
}