摘要
引入了I-投射模和I-内射模,给出了它们的性质.定义了I-投射维数和I-内射维数,同时推广了一些已有的结论.
The notion of Ф-projective and Ф-injective modules was introduced and their characterization given. And the Ф-projective and Ф-injective dimensions for modules were defined and some known results generalized.
出处
《兰州大学学报(自然科学版)》
CAS
CSCD
北大核心
2012年第3期90-95,共6页
Journal of Lanzhou University(Natural Sciences)
基金
Supported by the National Natural Science Foundation of China(10961021)
关键词
I-投射模
I-内射模
I-平坦模
I-投射维数
I-内射维数
I-预(覆盖)
I-预(包络)
Key words: J-projective module
Key words: Ф-projective module
Ф-injective module
Ф-flat module
Ф-projective dimension
Ф-injective dimension
Ф-pre(cover)
Ф-pre(envelope)-injective module
J-fiat module
J-projective dimension
J-injectivedimension
~^-pre(cover)
J-pre(envelope)