We provide a characterization of artin algebras without chains of nonzero homomorphisms between indecomposable finitely generated modules starting with an injective module and ending with a projective module.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm134-2-11, author = {Andrzej Skowro\'nski and Adam Skowyrski}, title = {A note on quasitilted algebras}, journal = {Colloquium Mathematicae}, volume = {135}, year = {2014}, pages = {281-286}, zbl = {1310.16013}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm134-2-11} }
Andrzej Skowroński; Adam Skowyrski. A note on quasitilted algebras. Colloquium Mathematicae, Tome 135 (2014) pp. 281-286. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm134-2-11/