{ "id": "math/9807178", "version": "v1", "published": "1998-07-15T00:00:00.000Z", "updated": "1998-07-15T00:00:00.000Z", "title": "Lusin sequences under CH and under Martin's Axiom", "authors": [ "Uri Abraham", "Saharon Shelah" ], "categories": [ "math.LO" ], "abstract": "Assuming the continuum hypothesis there is an inseparable sequence of length omega_1 that contains no Lusin subsequence, while if Martin's Axiom and the negation of CH is assumed then every inseparable sequence (of length omega_1) is a union of countably many Lusin subsequences.", "revisions": [ { "version": "v1", "updated": "1998-07-15T00:00:00.000Z" } ], "analyses": { "keywords": [ "martins axiom", "lusin sequences", "lusin subsequence", "inseparable sequence" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1998math......7178A" } } }