%0 Journal Article %A Deena Al-Kadi %T Distinguishing derived equivalence classes using the second Hochschild cohomology group %J Colloquium Mathematicum %D 2010 %P 285-294 %V 121 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm121-2-11/ %R 10.4064/cm121-2-11 %G en %F 10_4064_cm121_2_11