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nZ-Gorenstein cluster tilting subcategories
Journal of Algebra ( IF 0.8 ) Pub Date : 2021-04-13 , DOI: 10.1016/j.jalgebra.2021.04.004
Javad Asadollahi , Rasool Hafezi , Somayeh Sadeghi

Let Λ be an Artin algebra. In this paper, the notion of nZ-Gorenstein cluster tilting subcategories will be introduced. It is shown that every nZ-cluster tilting subcategory of mod-Λ is nZ-Gorenstein if and only if Λ is an Iwanaga-Gorenstein algebra. Moreover, it will be shown that an nZ-Gorenstein cluster tilting subcategory of mod-Λ is an nZ-cluster tilting subcategory of the exact category Gprj-Λ, the subcategory of all Gorenstein projective objects of mod-Λ. Some basic properties of nZ-Gorenstein cluster tilting subcategories will be studied. In particular, we show that they are n-resolving, a higher version of resolving subcategories.



中文翻译:

ñž-Gorenstein丛集倾斜子类别

令Λ为Artin代数。在本文中,...的概念ñž-将介绍Gorenstein群集倾斜子类别。结果表明,每ñž-Λ的-集群倾斜子类别为 ñž当且仅当Λ是Iwanaga-Gorenstein代数时,才使用-Gorenstein。而且,将显示出ñž-mod-Λ的-Gorenstein簇倾斜子类别是 ñž-确切类别的集群倾斜子类别 Gprj--Λ,是mod-Λ的所有Gorenstein射影对象的子类别。的一些基本特性ñž-将研究Gorenstein群集倾斜子类别。特别是,我们表明它们是n-解析的,是解析子类别的更高版本。

更新日期:2021-04-13
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