A SURVEY ON DIFFERENTIAL GRADED CATEGORIES
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, ... , Toën and Toën-Vaquié.
http://www.math.jussieu.fr/~keller/publ/dgcatabs.html
Bernhard Keller, le 1 janvier 2006.
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