{ "id": "math/9308214", "version": "v1", "published": "1993-08-15T00:00:00.000Z", "updated": "1993-08-15T00:00:00.000Z", "title": "Somewhere trivial automorphisms", "authors": [ "Saharon Shelah", "Juris Steprāns" ], "journal": "J. London Math. Soc. 49 (1994), 569--580", "categories": [ "math.LO", "math.GN" ], "abstract": "It is shown to be consistent that there is a non-trivial autohomeomorphism of beta N while all such autohomeomorphisms are trivial on some open set. The model used is one due to Velickovic in which, coincidentally, Martin's Axiom also holds.", "revisions": [ { "version": "v1", "updated": "1993-08-15T00:00:00.000Z" } ], "analyses": { "keywords": [ "trivial automorphisms", "non-trivial autohomeomorphism", "open set", "martins axiom" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1993math......8214S" } } }