{ "id": "1106.4130", "version": "v1", "published": "2011-06-21T08:35:12.000Z", "updated": "2011-06-21T08:35:12.000Z", "title": "On cubic surfaces with a rational line", "authors": [ "Andreas-Stephan Elsenhans", "Jörg Jahnel" ], "categories": [ "math.AG", "math.NT" ], "abstract": "We report on our project to construct non-singular cubic surfaces over $\\bbQ$ with a rational line. Our method is to start with degree 4 Del Pezzo surfaces in diagonal form. For these, we develop an explicit version of Galois descent.", "revisions": [ { "version": "v1", "updated": "2011-06-21T08:35:12.000Z" } ], "analyses": { "subjects": [ "14J26", "14G25", "11G35" ], "keywords": [ "rational line", "construct non-singular cubic surfaces", "del pezzo surfaces", "galois descent", "diagonal form" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1106.4130E" } } }