{ "id": "1012.4532", "version": "v2", "published": "2010-12-21T02:11:19.000Z", "updated": "2011-02-15T01:16:41.000Z", "title": "On union ultrafilters", "authors": [ "Peter Krautzberger" ], "categories": [ "math.LO", "math.GN" ], "abstract": "We present some new results on union ultrafilters. We characterize stability for union ultrafilters and, as the main result, we construct a new kind of unordered union ultrafilter.", "revisions": [ { "version": "v2", "updated": "2011-02-15T01:16:41.000Z" } ], "analyses": { "subjects": [ "03E75", "54D80", "05D10" ], "keywords": [ "main result", "unordered union ultrafilter", "characterize stability" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2010arXiv1012.4532K" } } }