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math.RA2008
Algebraic group actions on noncommutative spectra
Martin Lorenz
Let G be an affine algebraic group and let R be an associative algebra with a rational action of G by algebra automorphisms. We study the induced G-action on the spectrum Spec R of…
math.RA2008
Group actions and rational ideals
Martin Lorenz
We develop the theory of rational ideals for arbitrary associative algebras R without assuming the standard finiteness conditions, noetherianness or the Goldie property. The Amitsu…