{ "id": "1406.2042", "version": "v1", "published": "2014-06-09T00:01:04.000Z", "updated": "2014-06-09T00:01:04.000Z", "title": "On the Characterization Problem of Alexander Polynomials of Closed 3-Manifolds", "authors": [ "Karin Alcaraz" ], "comment": "22 pages, 3 figures", "categories": [ "math.GT" ], "abstract": "We give a characterization for the Alexander Polynomials of closed orientable 3-manifolds M with first Betti number 1, as well as some partial results for the characterization problem for M having first Betti number > 1. We first prove an analogue of a theorem of Levine: that the product of an Alexander polynomial of M with a symmetric polynomial in the same number of variables having non 0 trace, is again an Alexander polynomial of a closed orientable 3-manifold. Using the fact that there exists M with Alexander polynomial = 1 for M with first Betti number 1, 2 or 3, we conclude that symmetric polynomials of non 0 trace in 1, 2 or 3 variables are Alexander polynomials of closed orientable 3-manifolds. When the first Betti number of M is 1 we prove that non 0 trace symmetric polynomials are the only ones that can arise. Finally, for M with first Betti number > 3 we prove that the Alexander polynomial can not be 1, implying that for such manifolds not all symmetric polynomials having non 0 trace will occur.", "revisions": [ { "version": "v1", "updated": "2014-06-09T00:01:04.000Z" } ], "analyses": { "subjects": [ "57M27" ], "keywords": [ "alexander polynomial", "first betti number", "characterization problem", "trace symmetric polynomials", "closed orientable" ], "note": { "typesetting": "TeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1406.2042A" } } }