{ "id": "1108.1763", "version": "v5", "published": "2011-08-08T17:51:29.000Z", "updated": "2012-05-13T19:04:36.000Z", "title": "Graphs associated with the map $x \\mapsto x + x^{-1}$ in finite fields of characteristic three", "authors": [ "Simone Ugolini" ], "comment": "The definitions of the maps $s$ and $\\psi$ have been slightly modified in order to simplify the following discussion. 6 pages", "journal": "Journal of Number Theory, 133 (4) (2013), 1207-1228", "doi": "10.1016/j.jnt.2012.09.007", "categories": [ "math.NT", "math.DS" ], "abstract": "In this paper we study the structure of the graphs associated with the iterations of the map $x \\mapsto x+x^{-1}$ over finite fields of characteristic three.", "revisions": [ { "version": "v5", "updated": "2012-05-13T19:04:36.000Z" } ], "analyses": { "subjects": [ "37P05" ], "keywords": [ "finite fields", "characteristic" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1108.1763U" } } }