Quasi-resolving subcategories and dimensions in extriangulated categories

Zhenggang He, Longfu Shi, Shuangyan Li

Let $\mathcal{C}=(\mathcal{C},\mathbb{E},\mathfrak{s})$ be an extriangulated category with a proper class $\hat{I}¾$ of $\mathbb{E}$-triangles. In this paper, we introduce and study quas…