{ "id": "0903.2866", "version": "v1", "published": "2009-03-16T22:15:32.000Z", "updated": "2009-03-16T22:15:32.000Z", "title": "Rank statistics for a family of elliptic curves over a function field", "authors": [ "Carl Pomerance", "Igor E. Shparlinski" ], "categories": [ "math.NT", "math.AG" ], "abstract": "We show that the average and typical ranks in a certain parametric family of elliptic curves described by D. Ulmer tend to infinity as the parameter $d \\to\\infty$. This is perhaps unexpected since by a result of A. Brumer, the average rank for all elliptic curves over a function field of positive characteristic is asymptotically bounded above by 2.3.", "revisions": [ { "version": "v1", "updated": "2009-03-16T22:15:32.000Z" } ], "analyses": { "subjects": [ "11N25", "11R37", "14H52" ], "keywords": [ "elliptic curves", "function field", "rank statistics", "ulmer tend", "average rank" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2009arXiv0903.2866P" } } }