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On small-dual rings. (Chinese. English summary) Zbl 1212.16015

Summary: This paper mainly investigates the rings such that small left ideals are left annihilators, namely, left small-dual rings, and gives some conditions to assure the nilpotency of \(J(R)\), and also obtains some properties of small-dual semilocal rings.

MSC:

16D80 Other classes of modules and ideals in associative algebras
16D50 Injective modules, self-injective associative rings
16P60 Chain conditions on annihilators and summands: Goldie-type conditions
16L30 Noncommutative local and semilocal rings, perfect rings