{ "id": "2008.01223", "version": "v1", "published": "2020-08-03T22:09:50.000Z", "updated": "2020-08-03T22:09:50.000Z", "title": "The characteristic polynomial of a random matrix", "authors": [ "Sean Eberhard" ], "comment": "27 pages", "categories": [ "math.NT", "math.PR" ], "abstract": "Form an $n \\times n$ matrix by drawing entries independently from $\\{\\pm1\\}$ (or another fixed nontrivial finitely supported distribution in $\\mathbf{Z}$) and let $\\phi$ be the characteristic polynomial. Conditionally on the extended Riemann hypothesis, with high probability $\\phi$ is irreducible and $\\mathrm{Gal}(\\phi) \\geq A_n$.", "revisions": [ { "version": "v1", "updated": "2020-08-03T22:09:50.000Z" } ], "analyses": { "subjects": [ "15B52", "11M50" ], "keywords": [ "characteristic polynomial", "random matrix", "fixed nontrivial finitely supported distribution", "extended riemann hypothesis", "high probability" ], "note": { "typesetting": "TeX", "pages": 27, "language": "en", "license": "arXiv", "status": "editable" } } }