{ "id": "math/9910140", "version": "v1", "published": "1999-10-26T18:48:57.000Z", "updated": "1999-10-26T18:48:57.000Z", "title": "On a property of special groups", "authors": [ "Zinovy Reichstein", "Boris Youssin" ], "comment": "AMS LaTeX 1.1, 4 pages. Author-supplied dvi file available at http://ucs.orst.edu/~reichstz/pub.html", "categories": [ "math.AG", "math.GR" ], "abstract": "Let G be an algebraic group defined over an algebraically closed field k of characteristic zero. We give a simple proof of the following result: if H^1(L, G) = {1} for some finitely generated field extension L/k of transcendence degree \\ge 3 then H^1(K, G) = {1} for every field extension K/k.", "revisions": [ { "version": "v1", "updated": "1999-10-26T18:48:57.000Z" } ], "analyses": { "keywords": [ "special groups", "field extension k/k", "finitely generated field extension l/k", "simple proof", "characteristic zero" ], "note": { "typesetting": "LaTeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1999math.....10140R" } } }