{
  "id": "0909.4978",
  "version": "v2",
  "published": "2009-09-27T23:19:00.000Z",
  "updated": "2012-01-02T03:34:20.000Z",
  "title": "Appendix to V. Mathai and J. Rosenberg's paper \"A noncommutative sigma-model\"",
  "authors": [
    "Hanfeng Li"
  ],
  "comment": "4 pages",
  "journal": "J. Noncommut. Geom. 5 (2011), no. 2, 295-298",
  "categories": [
    "math.OA",
    "math.QA"
  ],
  "abstract": "We prove a conjecture of Rosenberg about the minimal value for energies of untaries in the two-dimensional noncommutative tori and answer a question of his about lower bounds for energies of unital *-endomorphisms of the two-dimensional noncommutative tori.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2012-01-02T03:34:20.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "46L87"
    ],
    "keywords": [
      "rosenbergs paper",
      "noncommutative sigma-model",
      "two-dimensional noncommutative tori",
      "minimal value",
      "lower bounds"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2009arXiv0909.4978L"
    }
  }
}