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math.RT2021
When stable Cohen-Macaulay Auslander algebra is semisimple
Rasool Hafezi
Let $\text{Gprj}\mbox{-}Λ$ denote the category of Gorenstein projective modules over an Artin algebra and the category $\text{mod}\mbox{-} (\underline{\text{Gprj}}\mbox{-}Λ)$ o…
math.RT2021
Determination of some almost split sequences in morphism categories
Rasool Hafezi, Hossein Eshraghi
Almost split sequences lie in the heart of Auslander-Reiten theory. This paper deals with the structure of almost split sequences with certain ending terms in the morphism category…