{
  "id": "2305.12929",
  "version": "v1",
  "published": "2023-05-22T11:23:27.000Z",
  "updated": "2023-05-22T11:23:27.000Z",
  "title": "Moore-Penrose inverse of incidence matrices",
  "authors": [
    "Ali Azimi",
    "R. B. Bapat",
    "Mohammad Farrokhi Derakhshandeh Ghouchan"
  ],
  "comment": "8 pages",
  "categories": [
    "math.CO"
  ],
  "abstract": "We present explicit formulas for Moore-Penrose inverses of some families of set inclusion matrices arising from sets, vector spaces, and designs.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2023-05-22T11:23:27.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "05B20",
      "15A09",
      "05A30",
      "15A03"
    ],
    "keywords": [
      "moore-penrose inverse",
      "incidence matrices",
      "explicit formulas",
      "set inclusion matrices arising",
      "vector spaces"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 8,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}