{
  "id": "1809.00664",
  "version": "v1",
  "published": "2018-09-03T17:21:46.000Z",
  "updated": "2018-09-03T17:21:46.000Z",
  "title": "Cogenerators of $2$-isometric Hilbert space endomorphism semigroups",
  "authors": [
    "Eskil Rydhe"
  ],
  "categories": [
    "math.FA"
  ],
  "abstract": "We observe a necessary and sufficient condition for a bounded linear Hilbert space operator to be the cogenerator of a $C_0$-semigroup of $2$-isometries.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2018-09-03T17:21:46.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "47D06",
      "30H99",
      "47A63",
      "47B38"
    ],
    "keywords": [
      "isometric hilbert space endomorphism semigroups",
      "cogenerator",
      "bounded linear hilbert space operator"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}