{ "id": "1301.4025", "version": "v2", "published": "2013-01-17T09:28:36.000Z", "updated": "2013-04-18T14:00:45.000Z", "title": "A note on the growth of Betti numbers and ranks of 3-manifold groups", "authors": [ "Stefan Friedl" ], "comment": "10 pages, updated references", "categories": [ "math.GT" ], "abstract": "Let N be an irreducible, compact 3-manifold with empty or toroidal boundary which is not a closed graph manifold. Using recent work of Agol, Kahn-Markovic and Przytycki-Wise we will show that pi_1(N) admits a cofinal filtration with `fast' growth of Betti numbers as well as a cofinal filtration of pi_1(N) with `slow' growth of ranks.", "revisions": [ { "version": "v2", "updated": "2013-04-18T14:00:45.000Z" } ], "analyses": { "keywords": [ "betti numbers", "cofinal filtration", "closed graph manifold", "toroidal boundary", "kahn-markovic" ], "note": { "typesetting": "TeX", "pages": 10, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1301.4025F" } } }