Decomposing finitely generated torsion modules
作者:
John Clark,
Willy Brandal,
Erol Barbut,
期刊:
Communications in Algebra
(Taylor Available online 1990)
卷期:
Volume 18,
issue 1
页码: 225-245
ISSN:0092-7872
年代: 1990
DOI:10.1080/00927879008823909
出版商: Marcel Dekker, Inc.
数据来源: Taylor
摘要:
LetRbe a commutative ring and letFbe a filter of ideals ofR. We give three characterizations of the rings with the property that all finitely generated F pretorsionRmodules decompose into a direct sum of cyclicRsubmodules. One of these characterizations involves decomposing the filterFinto a product of subfilters. This filter decomposition is shown to be unique, and is used to characterize several other ring properties relative to the filter of ideals.
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