胶合n-倾斜与n-共倾斜子范畴
Gluing n-tilting and n-cotilting subcategories
摘要:
最近,Wang,Wei和Zhang定义了外三角范畴的复元,它是阿贝尔范畴的复元和三角范畴的复元的推广。对于外三角化范畴的一个集合$(\mathcal A ,\mathcal B,\mathcal C)$,我们证明了$n$ -倾斜(分别为. $n$ -cotilting)子类别在$\mathcal A$和$\mathcal C$中可以被粘合以得到$n$ -tilting(分别为$n$ -cotilting)在某些条件下在$\mathcal B$中的子类别。
英文摘要:
Recently, Wang, Wei and Zhang define the recollement of extriangulated categories, which is a generalization of both recollement of abelian categories and recollement of triangulated categories. For a recollement $(\mathcal A ,\mathcal B,\mathcal C)$ of extriangulated categories, we show that $n$-tilting (resp. $n$-cotilting) subcategories in $\mathcal A$ and $\mathcal C$ can be glued to get $n$-tilting (resp. $n$-cotilting) subcategories in $\mathcal B$ under certain conditions.
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