{
  "id": "math/0504321",
  "version": "v1",
  "published": "2005-04-15T13:26:10.000Z",
  "updated": "2005-04-15T13:26:10.000Z",
  "title": "Formality of the complements of subspace arrangements with geometric lattices",
  "authors": [
    "Eva Maria Feichtner",
    "Sergey Yuzvinsky"
  ],
  "comment": "10 pages, 1 figure",
  "categories": [
    "math.AT",
    "math.CO"
  ],
  "abstract": "We show that, for an arrangement of subspaces in a complex vector space with geometric intersection lattice, the complement of the arrangement is formal. We prove that the Morgan rational model for such an arrangement complement is formal as a differential graded algebra.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2005-04-15T13:26:10.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "52C35",
      "05E25",
      "55P62"
    ],
    "keywords": [
      "geometric lattices",
      "subspace arrangements",
      "morgan rational model",
      "geometric intersection lattice",
      "complex vector space"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 10,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2005math......4321F"
    }
  }
}