Varieties and sums of rings.
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Kelarev, A.V. (2000)
Beiträge zur Algebra und Geometrie
Roger Yue Chi Ming (2009)
Commentationes Mathematicae Universitatis Carolinae
Von Neumann regular rings, hereditary rings, semi-simple Artinian rings, self-injective regular rings are characterized. Rings which are either strongly regular or semi-simple Artinian are considered. Annihilator ideals and -regular rings are studied. Properties of WGP-injectivity are developed.
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