$n\mathbb{Z}$-abelian and $n\mathbb{Z}$-exact categories

Ramin Ebrahimi, Alireza Nasr-Isfahani

In this paper we introduce $n\mathbb{Z}$-abelian and $n\mathbb{Z}$-exact categories by axiomatising properties of $n\mathbb{Z}$-cluster tilting subcategories. We study this categor…