Quotient categories with exact structure from $(n+2)$-rigid subcategories in extriangulated categories

Mindy Y. Huerta, Octavio Mendoza, Corina Sáenz +1

In this work we introduce the notion of higher $\mathbb{E}$-extension groups for an extriangulated category $\mathcal{C}$ and study the quotients $\mathcal{X}_{n+1}^{\vee}/[\mathca…