%0 Journal Article %T On differential graded categories %A Bernhard Keller %J Mathematics %D 2006 %I arXiv %X Differential graded categories enhance our understanding of triangulated categories appearing in algebra and geometry. In this survey, we review their foundations and report on recent work by Drinfeld, Dugger-Shipley, ..., Toen and Toen-Vaquie. %U http://arxiv.org/abs/math/0601185v5