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On rings in which every maximal one-sided ideal contains a maximal ideal
Authors:Yang Lee  Chan Huh
Affiliation:Department of Mathematics , Pusan National University , Pusan, 609-735, Korea
Abstract:Given a ring R, consider the condition: (*) every maximal right ideal of R contains a maximal ideal of R. We show that, for a ring R and 0 ≠ e 2 = eR such that ele ? eRe every proper ideal I of R R satisfies (*) if and only if eRe satisfies (*). Hence with the help of some other results, (*) is a Morita invariant property. For a simple ring R R[x] satisfies (*) if and only if R[x] is not right primitive. By this result, if R is a division ring and R[x] satisfies (*), then the Jacobson conjecture holds. We also show that for a finite centralizing extension S of a ring R R satisfies (*) if and only if S satisfies (*).
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