{ "id": "1311.6695", "version": "v2", "published": "2013-11-26T15:00:19.000Z", "updated": "2013-12-02T15:31:07.000Z", "title": "A Criterion for Potentially Good Reduction in Non-archimedean Dynamics", "authors": [ "Robert L. Benedetto" ], "comment": "7 pages; typos corrected and a little extra commentary added", "categories": [ "math.NT", "math.DS" ], "abstract": "Let K be a non-archimedean field, and let f in K(z) be a polynomial or rational function of degree at least 2. We present a necessary and sufficient condition, involving only the fixed points of f and their preimages, that determines whether or not the dynamical system f on P^1 has potentially good reduction.", "revisions": [ { "version": "v2", "updated": "2013-12-02T15:31:07.000Z" } ], "analyses": { "subjects": [ "37P05" ], "keywords": [ "non-archimedean dynamics", "non-archimedean field", "rational function", "sufficient condition" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1311.6695B" } } }