- 更多网络例句与同调等价相关的网络例句 [注：此内容来源于网络，仅供参考]
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Let L and P be Lie color algebras and let M be a graded module over P, the crossed modules which make M as their kernal and P as their cokernal are considered. It is shown that under a suitable equivalent relation, there is a bijection between the set of the equivalent classes CML and the homogeneous components of degree zero of H~3.
从交叉模的定义出发，对于给定的Lie color代数L，P以及阶化P模M，考虑所有以M为核、以P为余核的L的交叉模，在这些交叉模之间定义了一个等价关系，由此得到交叉模的等价类集CML，证明了CML与三维上同调群H~3的零次齐次部分之间存在一一对应，从而可以利用三维上同调群对Lie color代数的交叉模进行分类。
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A new equivalent characterization of pure projective left R-modules is given by applying homological methods.
通过同调的方法，给出了纯投射左R-模的一个新的等价刻画。
- 更多网络解释与同调等价相关的网络解释 [注：此内容来源于网络，仅供参考]
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hausdorff space：豪斯多夫空间
homologically connected space 同调连通空间 | Hausdorff space 豪斯多夫空间 | homotopically equivalent spaces 同伦等价空间
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homologically equivalence：同调等价
同调代数|homological algebra | 同调等价|homologically equivalence | 同调环|homology ring