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arXiv 1205.2677math.RA
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关于完全表现模类的纯性

Purity Relative to Classes of Finitely Presented Modules

Akeel Ramadan Mehdi

摘要:

我们调查的纯度所确定的类,包括左,右模块的纯度之间的对应关系,提出的模块。我们展示了一些情况下,由给定大小的矩阵确定的纯度是不同的。然后,我们考虑有限维代数上的纯性,给出了相对纯内射的一般描述,我们完全明确的情况下驯服遗传代数。

英文摘要:

We investigate purities determined by classes of finitely presented modules including the correspondence between purities for left and right modules. We show some cases where purities determined by matrices of given sizes are different. Then we consider purities over finite-dimensional algebras, giving a general description of the relative pure injectives which we make completely explicit in the case of tame hereditary algebras.

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