{ "id": "1507.03869", "version": "v1", "published": "2015-07-14T14:47:16.000Z", "updated": "2015-07-14T14:47:16.000Z", "title": "On the number of certain Del Pezzo surfaces of degree four violating the Hasse principle", "authors": [ "Jörg Jahnel", "Damaris Schindler" ], "comment": "27 pages", "categories": [ "math.NT", "math.AG" ], "abstract": "We give an asymptotic expansion for the density of del Pezzo surfaces of degree four in a certain Birch Swinnerton-Dyer family violating the Hasse principle due to a Brauer-Manin obstruction. Under the assumption of Schinzel's hypothesis and the finiteness of Tate-Shafarevich groups for elliptic curves, we obtain an asymptotic formula for the number of all del Pezzo surfaces in the family, which violate the Hasse principle.", "revisions": [ { "version": "v1", "updated": "2015-07-14T14:47:16.000Z" } ], "analyses": { "subjects": [ "11G35", "14G25", "14G05", "14J26", "14J10" ], "keywords": [ "del pezzo surfaces", "hasse principle", "asymptotic expansion", "birch swinnerton-dyer", "brauer-manin obstruction" ], "note": { "typesetting": "TeX", "pages": 27, "language": "en", "license": "arXiv", "status": "editable" } } }