{ "id": "math/0512314", "version": "v1", "published": "2005-12-14T10:02:19.000Z", "updated": "2005-12-14T10:02:19.000Z", "title": "There are infinitely many limit points of the fractional parts of powers", "authors": [ "ArtŪras Dubickas" ], "comment": "7 pages", "journal": "Proc. Indian Acad. Sci. (Math. Sci.), Vol. 115, No. 4, November 2005, pp. 391-397", "categories": [ "math.NT" ], "abstract": "Suppose that $\\al>1$ is an algebraic number and $\\xi>0$ is a real number. We prove that the sequence of fractional parts $\\{\\xi \\al^n\\},$ $n =1,2,3,...,$ has infinitely many limit points except when $\\al$ is a PV-number and $\\xi \\in \\Q(\\al).$ For $\\xi=1$ and $\\al$ being a rational non-integer number, this result was proved by Vijayaraghavan.", "revisions": [ { "version": "v1", "updated": "2005-12-14T10:02:19.000Z" } ], "analyses": { "subjects": [ "11J71", "11R04", "11R06" ], "keywords": [ "limit points", "fractional parts", "rational non-integer number", "algebraic number" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable" } } }