An easy explicit construction is given for a full and faithful functor from the bounded derived category of modules over an associative algebra A to the stable category of the repetitive algebra of A. This construction simplifies the one given by Happel.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm104-1-9, author = {M. Barot and O. Mendoza}, title = {An explicit construction for the Happel functor}, journal = {Colloquium Mathematicae}, volume = {106}, year = {2006}, pages = {141-149}, zbl = {1137.16008}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm104-1-9} }
M. Barot; O. Mendoza. An explicit construction for the Happel functor. Colloquium Mathematicae, Tome 106 (2006) pp. 141-149. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm104-1-9/