{ "id": "2008.00755", "version": "v1", "published": "2020-08-03T10:16:16.000Z", "updated": "2020-08-03T10:16:16.000Z", "title": "Expansive dynamics on profinite groups", "authors": [ "Michael Wibmer" ], "comment": "30 pages", "categories": [ "math.DS", "math.GR" ], "abstract": "A profinite group equipped with an expansive endomorphism is equivalent to a one-sided group shift. We show that these groups have a very restricted structure. More precisely, we show that any such group can be decomposed into a finite sequence of full one-sided group shifts and two finite groups.", "revisions": [ { "version": "v1", "updated": "2020-08-03T10:16:16.000Z" } ], "analyses": { "subjects": [ "37B10", "37B05", "22C05", "20E18", "12H10" ], "keywords": [ "profinite group", "expansive dynamics", "full one-sided group shifts", "finite sequence", "finite groups" ], "note": { "typesetting": "TeX", "pages": 30, "language": "en", "license": "arXiv", "status": "editable" } } }