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Injectives for ring monomorphisms with accessible images

 

作者: B.J. Gardner,  

 

期刊: Communications in Algebra  (Taylor Available online 1982)
卷期: Volume 10, issue 7  

页码: 673-694

 

ISSN:0092-7872

 

年代: 1982

 

DOI:10.1080/00927878208822743

 

出版商: Marcel Dekker, Inc.

 

数据来源: Taylor

 

摘要:

The injectives in the category of associative rings and homomorphisms with accessible images are investigated.It is shown that every such ring has an identity and is a direct sum of finitely many indecomposable injectives.The indecomposable injectives are shown to be simple when they are algebras over fields other than Zpand in the remaining characteristic p case to have only three ideals.A necessary and sufficient condition is obtained for certain finite direct sums of indecomposable injectives to be injective.

 

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