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Summands of dual groups

 

作者: G. Schlitt,  

 

期刊: Communications in Algebra  （Taylor Available online 1999）
卷期: Volume 27, issue 4  

页码: 1599-1613

 

ISSN:0092-7872

 

年代: 1999

 

DOI:10.1080/00927879908826516

 

出版商: Gordon and Breach Science Publishers Ltd.

 

数据来源: Taylor

 

摘要:

We show that, under ◊, an abelian group may split its double dual and yet not be dual. The construction technique simplifies to give an example of a reflexive groupAsuch that bothAandA*are strongly ℵ1-free of cardinality ℵ1.

 

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