数学
内射函数
投射模
纯数学
投影覆盖
投射试验
扁平模块
内射模
射影空间
共渗
出处
期刊:Applied Mechanics and Materials
[Trans Tech Publications, Ltd.]
日期:2011-02-01
卷期号:50-51: 176-179
被引量:2
标识
DOI:10.4028/www.scientific.net/amm.50-51.176
摘要
Some properties of strong Ding projective ,injective and flat modules are studied and some connections between strong Ding projective ,injective and flat modules are discussed . At last, these properties under change of rings are considered.
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