All hammocks and the full shape of the Auslander-Reiten quiver are determined from the ext-quiver for hereditary artin algebras of finite type, with applications to counting indecomposables and radical nilpotency.
Bautista, Irreducible morphisms and the radical of a category , Ann
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Representation theory of hereditary artin algebras of finite representation type
All hammocks and the full shape of the Auslander-Reiten quiver are determined from the ext-quiver for hereditary artin algebras of finite type, with applications to counting indecomposables and radical nilpotency.