English

On a property of special groups

Algebraic Geometry 2007-05-23 v1 Group Theory

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.

Keywords

Cite

@article{arxiv.math/9910140,
  title  = {On a property of special groups},
  author = {Zinovy Reichstein and Boris Youssin},
  journal= {arXiv preprint arXiv:math/9910140},
  year   = {2007}
}

Comments

AMS LaTeX 1.1, 4 pages. Author-supplied dvi file available at http://ucs.orst.edu/~reichstz/pub.html

R2 v1 2026-07-22T18:04:55.153Z