{ "id": "1107.2776", "version": "v1", "published": "2011-07-14T10:24:33.000Z", "updated": "2011-07-14T10:24:33.000Z", "title": "Integral points of a modular curve of level 11", "authors": [ "René Schoof", "Nikos Tzanakis" ], "comment": "10 pages. To be published in Acta Arithmetica", "categories": [ "math.NT" ], "abstract": "Using lower bounds for linear forms in elliptic logarithms we determine the integral points of the modular curve associated to the normalizer of a non-split Cartan group of level 11. As an application we obtain a new solution of the class number one problem for complex quadratic fields.", "revisions": [ { "version": "v1", "updated": "2011-07-14T10:24:33.000Z" } ], "analyses": { "subjects": [ "11F03", "11G05", "11J86", "11R29" ], "keywords": [ "integral points", "non-split cartan group", "complex quadratic fields", "lower bounds", "linear forms" ], "note": { "typesetting": "TeX", "pages": 10, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1107.2776S" } } }