Abstract
We study generic objects in triangulated categories and give a characterization of the finite dimensional algebras A such that the derived categories D(Mod A) are generically trivial. This characterization is an analogue of a result of Crawley-Boevey for module categories. As a consequence, we show that D(Mod A) is generically trivial if and only if the category of perfect complexes K b (proj A) is locally finite.
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