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    Composition of irreducible morphisms in quasi-tubes
    (Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach, 2015) Chaio, Claudia; Malicki, Piotr
    We study the composition of irreducible morphisms between indecomposable modules lying in quasi-tubes of the Auslander-Reiten quivers of artin algebras A in relation with the powers of the radical of their module category modA.