Abel范畴的n-平凡扩张中的Gorenstein对象
Gorenstein objects in the n-Trivial extensions of abelian categories
AI总结:
本文在Abel范畴中定义(强)Gorenstein投射与内射对象,研究其向n-平凡扩张范畴的性质迁移及刻画,并应用于结合环与三角矩阵环的模范畴。
摘要:
给定一个Abel范畴,我们通过定义一类新的特殊对象,引入了(强)Gorenstein投射(相应地,内射)对象的范畴概念。随后,我们研究在从一个Abel范畴过渡到其n-平凡扩张范畴时这些性质的迁移,并给出其上Gorenstein对象的刻画。最后,我们将该研究应用于结合环上的模范畴以及三角矩阵环。
英文摘要:
Given an abelian category, we introduce a categorical concept of (strongly) Gorenstein projective (resp., injective) objects, by defining a new special class of objects. Then we study the transfer of these properties when passing to an abelian category and its n-trivial extension category and also give a characterization of Gorenstein object over it. We give, at the end, applications of this study on the category of modules over an associative ring and triangular matrix rings.
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