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math.CT2004★ 3 cited
Deformation theory of abelian categories
Wenty T. Lowen, Michel Van den Bergh
In this paper we develop the basic infinitesimal deformation theory of abelian categories. This theory yields a natural generalization of the well-known deformation theory of algeb…
math.CT2002
A remark on a theorem by Deligne
M. Van den Bergh
We give a proof avoiding spectral sequences of Deligne's decomposition theorem for objects in a triangulated category admitting a Lefschetz homomorphism.