关于投射模有变换性的充要条件

<title>The necessary and sufficient conditions of t he projective modules have exchange property

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摘要 <abstract>Inthispaper ,thenecessaryandsufficientconditionsofprojectivemoduleshaveexchangepropertyarestudied ,firstweprovedallprojectivemodulesoveraringRhaveexchangepropertyifandonlyiftheysatisfy(N) ;Thenweshowanexamplethatprojectivemodulesoverregularringhaveexchangeprop erty . <abstract>Inthispaper ,thenecessaryandsufficientconditionsofprojectivemoduleshaveexchangepropertyarestudied ,firstweprovedallprojectivemodulesoveraringRhaveexchangepropertyifandonlyiftheysatisfy(N) ;Thenweshowanexamplethatprojectivemodulesoverregularringhaveexchangeprop erty .

作者任红萍解红霞

机构地区太原理工大学

出处《山西财经大学学报》 CSSCI 北大核心 1998年第S1期82-82,共1页 Journal of Shanxi University of Finance and Economics

关键词 <keywords>Projective module exchange property regulew RING right HEREDITARY RING . <keywords>Projective module exchange property regulew ring right hereditary ring .

分类号 O153.3 [理学—基础数学]

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山西财经大学学报

1998年第S1期

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