2 papers
math.AG2000
Motivic torsors
Yuval Z. Flicker
The torsor P_s=Hom(H_{\DR},H_s) under the motivic Galois group G_s=Aut H_s of the Tannakian category M_k generated by one-motives related by absolute Hodge cycles over a field k wi…
math.AG1998
Grothendieck's theorem on non-abelian H^2 and local-global principles
Yuval Z. Flicker, Claus Scheiderer, R. Sujatha
A theorem of Grothendieck asserts that over a perfect field k of cohomological dimension one, all non-abelian H^2-cohomology sets of algebraic groups are trivial. The purpose of th…