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Approximating rings with local units via automorphisms
(Springer Verlag, 1999-02)
For a ring A with local units we investigate unital overrings T of A, and compare the
automorphism groups Aut(A) and Aut(T ).
Actions of picard groups on graded rings
(Elsevier, 1999)
No abstract found.
Graded equivalence theory with applications
(Elsevier, 1995-03-01)
We develop the foundations for graded equivalence theory and apply them to
investigate properties such as primeness, finite representation type, and vertex
theory of graded rings. The key fact that we prove is that, for ...