5 citations · 8 across the 5 of their papers we have counts for
4 papers · 1 filter
Reduction of structure for torsors over semilocal rings
V. Chernousov, Ph. Gille, Z. Reichstein
Let G be a reductive affine group scheme defined over a semilocal ring k. Assume that either G is semisimple or k is normal and noetherian. We show that G has a finite k-subgroup S…
A lower bound on the essential dimension of a connected linear group
Philippe Gille, Zinovy Reichstein
Let G be a connected linear algebraic group defined over an algebraically closed field k and H be a finite abelian subgroup of G whose order is prime to char(k). We show that the e…
Is the Luna stratification intrinsic?
J. Kuttler, Z. Reichstein
Let G -> \GL(V) be a finite-dimensional linear representation of a reductive linear algebraic group G on a finite-dimensional vector space V, defined over an algebraically closed f…
On the Cayley degree of an algebraic group
Nicole Lemire, Vladimir L. Popov, Zinovy Reichstein
A connected linear algebraic group G is called a Cayley group if the Lie algebra of G endowed with the adjoint G-action and the group variety of G endowed with the conjugation G-ac…