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On when a graded ring is graded equivalent to a crossed product
(American Mathmatical Society, 1996-04)
Let R be a ring graded by a group G. We are concerned with
describing those G-graded rings that are graded equivalent to G-crossed products.
We give necessary and sufficient conditions for when a strongly graded
ring ...
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 ...
Local orders whose lattices are direct sums of ideals
(American Mathematical Society, 1990-10)
Let R be a complete local Dedekind domain with quotient field K and let A be a local R-order in a separable K-algebra. This paper classifies those orders A such that every indecomposable R-torsionfree A-module is isomorphic ...