{ "id": "1302.5658", "version": "v3", "published": "2013-02-22T17:42:09.000Z", "updated": "2014-09-13T07:25:17.000Z", "title": "Topologically invariant $σ$-ideals on the Hilbert cube", "authors": [ "Taras Banakh", "Michal Morayne", "Robert Ralowski", "Szymon Zeberski" ], "comment": "14 pages", "categories": [ "math.GT", "math.GN", "math.LO" ], "abstract": "We study and classify topologically invariant $\\sigma$-ideals with a Borel base on the Hilbert cube and evaluate their cardinal characteristics. One of the results of this paper solves (positively) a known problem whether the minimal cardinalities of the families of Cantor sets covering the unit interval and the Hilbert cube are the same.", "revisions": [ { "version": "v2", "updated": "2013-02-27T19:17:48.000Z", "comment": "16 pages", "journal": null, "doi": null }, { "version": "v3", "updated": "2014-09-13T07:25:17.000Z" } ], "analyses": { "subjects": [ "03E15", "03E17", "54H05", "55M10", "57N20" ], "keywords": [ "hilbert cube", "cardinal characteristics", "unit interval", "minimal cardinalities", "cantor sets" ], "note": { "typesetting": "TeX", "pages": 14, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1302.5658B" } } }