{
  "id": "0907.1049",
  "version": "v4",
  "published": "2009-07-06T17:05:54.000Z",
  "updated": "2013-04-23T20:46:09.000Z",
  "title": "Closures of K-orbits in the flag variety for SU*(2n)",
  "authors": [
    "William M. McGovern"
  ],
  "comment": "5 pages",
  "categories": [
    "math.RT",
    "math.AG"
  ],
  "abstract": "We characterize the Sp_{2n} orbits in the flag variety for SL_{2n} with rationally smooth closure via a pattern avoidance criterion, also showing that the singular and rationally singular loci of such orbit closures coincide.",
  "revisions": [
    {
      "version": "v4",
      "updated": "2013-04-23T20:46:09.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "22E46"
    ],
    "keywords": [
      "flag variety",
      "orbit closures coincide",
      "pattern avoidance criterion",
      "rationally smooth closure",
      "rationally singular loci"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2009arXiv0907.1049M"
    }
  }
}