{
  "id": "math/9805145",
  "version": "v1",
  "published": "1998-05-15T00:00:00.000Z",
  "updated": "1998-05-15T00:00:00.000Z",
  "title": "Length of Boolean algebras and ultraproducts",
  "authors": [
    "Menachem Magidor",
    "Saharon Shelah"
  ],
  "categories": [
    "math.LO",
    "math.GN"
  ],
  "abstract": "We prove the consistency with ZFC of ``the length of an ultraproduct of Boolean algebras is smaller than the ultraproduct of the lengths''. Similarly for some other cardinal invariants of Boolean algebras.",
  "revisions": [
    {
      "version": "v1",
      "updated": "1998-05-15T00:00:00.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "boolean algebras",
      "ultraproduct",
      "cardinal invariants"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "1998math......5145M"
    }
  }
}