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Almost *-modules need not be finitely generated

 

作者: Jan Trlifaj,  

 

期刊: Communications in Algebra  (Taylor Available online 1993)
卷期: Volume 21, issue 7  

页码: 2453-2462

 

ISSN:0092-7872

 

年代: 1993

 

DOI:10.1080/00927879308824686

 

出版商: Marcel Dekker, Inc.

 

数据来源: Taylor

 

摘要:

We construct examples of infinitely generated almost *-moduels, i.e. of infinitely generated small modules satisfying the Colpi's conditionC(K) for allR< N0. We also prove that the examples are shrinkable (in the sense of Facchini and Salce). Hence, they do not satisfyC(N0),and the are not*-modules. This implies that the possible solution of the open problem whether each *-module is finitely generated depends substantially on the validity ofC(R) for infinite cardinalsR

 

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