## SOUS LES CATEGORIES DERIVEES

## C. R. Acad. Sci. Paris 305 (1987), 225-228

### Bernhard Keller and Dieter Vossieck

This note has three objectives: 1. To explain Happel's description
of the derived category of a finite-dimensional algebra. 2. To simplify
a construction of A. Beilinson, J. Bernstein and P. Deligne
(Astérisque 100) which relates a derived category to the
derived categories of the hearts of its t-structures. 3. To buttress
foundations which were left somewhat shaky.

http://www.math.jussieu.fr/~keller/publ/scdabs.html

Bernhard Keller, le 22 février 2005.

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