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arXiv 2012.10817math.CT
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相对整体Gorenstein维数

Relative global Gorenstein dimensions

Víctor Becerril

摘要:

设$\mathcal{A}$是一个阿贝尔范畴.本文研究了GP-容许对$(\mathcal{X} , \mathcal{Y} )$的整体$(\mathcal{X} , \mathcal{Y})$ -Gorenstein投射维数$\mathrm{gl.GPD}(\mathcal{X} ,\mathcal{Y})(\mathcal{A})$.给出了$(\mathcal{X} , \mathcal{Y})$上的同调条件,并在给定GI-容许对$(\mathcal{Z} , \mathcal{W} )$的情况下,研究了$\mathrm{gl.GID}(\mathcal{Z},\mathcal{W})(\mathcal{A})$与$\mathrm{gl.GPD}(\mathcal{X},\mathcal{Y})(\mathcal{A})$相同的条件.

英文摘要:

Let $\mathcal{A}$ be an abelian category. In this paper, we investigate the global $(\mathcal{X} , \mathcal{Y})$-Gorenstein projective dimension $\mathrm{gl.GPD}(\mathcal{X} ,\mathcal{Y})(\mathcal{A})$, associated to a GP-admissible pair $(\mathcal{X} , \mathcal{Y} )$. We give homological conditions over $(\mathcal{X} , \mathcal{Y})$ that characterize it. Moreover, given a GI-admisible pair $(\mathcal{Z} , \mathcal{W} )$, we study conditions under which $\mathrm{gl.GID}(\mathcal{Z},\mathcal{W})(\mathcal{A})$ and $\mathrm{gl.GPD}(\mathcal{X},\mathcal{Y})(\mathcal{A})$ are the same.

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