所有同态象其Jacobson根与单根相同的Γ-环 |
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引用本文: | 王顶国.所有同态象其Jacobson根与单根相同的Γ-环[J].数学学报,1997,40(2):221-226. |
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作者姓名: | 王顶国 |
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作者单位: | 曲阜师范大学数学与计算机科学系 曲阜273165 复旦大学数学所,上海200433 |
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摘 要: | 设M是Nobusawa意义下的Г-环,S.Kyuno定义了环M_2=其中R,L分别是M的右、左算子环.本文首先刻画了环M_2的本原理想与Ja-cobson根.其次引进了一类新的Г-环称为PM Г-环,建立了Г-环M、矩阵Г_(n,m)-环M_(m,n)、Г-环M的右(左)算子环R(L)、M-环Г及M_2的PM性质之间的关系.最后,给出了Г-环一般形式的Jacobson性质,Jacobson性质、Brown-McCoy性质以及PM性质为其特殊情况.
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关 键 词: | Г-环 算子环 Jacobson根 单根 |
收稿时间: | 1995-6-5 |
修稿时间: | 1996-1-31 |
Γ-Rings for Which the Jacoboson Radical Equals the Simplical Radical in All Homomorphic Images |
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Institution: | Wang Dingguo (Department of Mathematics and Computer Sciences, Qufu Normal University, Qufu 273165, China) |
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Abstract: | Let M be a Γ-ring in the sense of Nobusawa.The ring M2=(RΓML)
was defined by Kyuno. In this paper, first we characterise primitive ideals and the Jacobson radical of M2. Next, we introduce a new class of Γ-rings in which, for every homomorphic image, the Jacobson radical equals the simplicial radical. We shall call this the class of PM-Γ-rings. Relationships between PM properties of Γ-ring M and the corresponding properties of Γn,m-ring Mm,n, the right operator ring R of Γ-ring M, M-ring Γ and the ring M2 are established. Finally, we give a general version of Jacobson properties for Γ-rings, which includes also Jacobson property, Brown-McCoy property and PM property. |
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