{
  "id": "math/0112136",
  "version": "v1",
  "published": "2001-12-13T11:47:17.000Z",
  "updated": "2001-12-13T11:47:17.000Z",
  "title": "Embeddings into P(N)/fin and extension of automorphisms",
  "authors": [
    "A. Bella",
    "A. Dow",
    "K. P. Hart",
    "M. Hrusak",
    "J. van Mill",
    "P. Ursino"
  ],
  "categories": [
    "math.LO",
    "math.GN"
  ],
  "abstract": "Given a Boolean algebra B and an embedding e:B -> P(N)/fin we consider the possibility of extending each or some automorphism of B to the whole P(N)/fin. Among other things, we show, assuming CH, that for a wide class of Boolean algebras there are embeddings for which no non-trivial automorphism can be extended.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2001-12-13T11:47:17.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "06E99",
      "03E35",
      "03E50",
      "54G05"
    ],
    "keywords": [
      "boolean algebra",
      "non-trivial automorphism",
      "wide class"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2001math.....12136B"
    }
  }
}