%0 Journal Article %A Claire Amiot %A Steffen Oppermann %T Cluster equivalence and graded derived equivalence %J Documenta mathematica %D 2014 %P 1155-1206 %V 19 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/478/ %R 10.4171/dm/478 %F 10_4171_dm_478