We investigate the categorical behaviour of morphisms between indecomposable projective modules over a special biserial algebra A over an algebraically closed field, which are associated to arrows of the Gabriel quiver of A.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ba59-2-3, author = {Alicja Jaworska}, title = {On Morphisms between Indecomposable Projective Modules over Special Biserial Algebras}, journal = {Bulletin of the Polish Academy of Sciences. Mathematics}, volume = {59}, year = {2011}, pages = {121-132}, zbl = {1237.16010}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba59-2-3} }
Alicja Jaworska. On Morphisms between Indecomposable Projective Modules over Special Biserial Algebras. Bulletin of the Polish Academy of Sciences. Mathematics, Tome 59 (2011) pp. 121-132. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ba59-2-3/