{ "id": "math/0609716", "version": "v1", "published": "2006-09-26T01:12:57.000Z", "updated": "2006-09-26T01:12:57.000Z", "title": "Jacobi sums, Fermat Jacobians, and ranks of abelian varieties over towers of function fields", "authors": [ "Douglas Ulmer" ], "categories": [ "math.NT", "math.AG" ], "abstract": "Our goal in this note is to give a number of examples of abelian varieties over function fields k(t) which have bounded ranks in towers of extensions such as k(t^{1/d}) for varying d. Along the way we prove some new results on Fermat curves which may be of independent interest.", "revisions": [ { "version": "v1", "updated": "2006-09-26T01:12:57.000Z" } ], "analyses": { "subjects": [ "14G05", "11G40" ], "keywords": [ "abelian varieties", "function fields", "fermat jacobians", "jacobi sums", "fermat curves" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2006math......9716U" } } }