{ "id": "1610.04414", "version": "v1", "published": "2016-10-14T11:49:10.000Z", "updated": "2016-10-14T11:49:10.000Z", "title": "On high-dimensional representations of knot groups", "authors": [ "Stefan Friedl", "Michael Heusener" ], "comment": "15 pages", "categories": [ "math.GT", "math.RT" ], "abstract": "Given a hyperbolic knot $K$ and any $n\\geq 2$ the abelian representations and the holonomy representation each give rise to an $(n-1)$-dimensional component in the $\\operatorname{SL}(n,\\Bbb{C})$-character variety. A component of the $\\operatorname{SL}(n,\\Bbb{C})$-character variety of dimension $\\geq n$ is called high-dimensional. It was proved by Cooper and Long that there exist hyperbolic knots with high-dimensional components in the $\\operatorname{SL}(2,\\Bbb{C})$-character variety. We show that given any non-trivial knot $K$ and sufficiently large $n$ the $\\operatorname{SL}(n,\\Bbb{C})$-character variety of $K$ admits high-dimensional components.", "revisions": [ { "version": "v1", "updated": "2016-10-14T11:49:10.000Z" } ], "analyses": { "keywords": [ "knot groups", "character variety", "high-dimensional representations", "hyperbolic knot", "admits high-dimensional components" ], "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable" } } }