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I-投射模和I-内射模(英文)

I-projective and I-injective modules
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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.
作者 李瑾
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)
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参考文献11

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