The radical of functorially finite subcategories

Raziyeh Diyanatnezhad, Alireza Nasr-Isfahani

Let $\Lambda$ be an artin algebra and $\mathcal{C}$ be a functorially finite subcategory of mod$\Lambda$ which contains $\Lambda$ or $D\Lambda$. We use the concept of the infinite radical of $\mathcal{C}$…