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Extensions of simple-injective rings

 

作者: W.K. Nicholson,   Jae Keol Park,   M.F. Yousif,  

 

期刊: Communications in Algebra  （Taylor Available online 2000）
卷期: Volume 28, issue 10  

页码: 4665-4675

 

ISSN:0092-7872

 

年代: 2000

 

DOI:10.1080/00927870008827111

 

出版商: Gordon and Breach Science Publishers Ltd.

 

数据来源: Taylor

 

摘要:

A ringRis called right simple-injective if every itMinear map with simple image from a right ideal toRcan be extended toR. We characterize when matrix rings, upper triangular matrix rings and trivial extensions are right simple-injective. We also study split null extensions of simple-injective rings.

 

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