We show here that a directing component of the Auslander-Reiten quiver of a quasitilted algebra is either postprojective or preinjective or a connecting component.
@article{bwmeta1.element.bwnjournal-article-cmv82i2pbwm,
author = {Fl\'avio Coelho},
title = {Directing components for quasitilted algebras},
journal = {Colloquium Mathematicae},
volume = {79},
year = {1999},
pages = {271-275},
zbl = {0960.16018},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv82i2pbwm}
}
Coelho, Flávio. Directing components for quasitilted algebras. Colloquium Mathematicae, Tome 79 (1999) pp. 271-275. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv82i2pbwm/
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