t-structures via recollements for piecewise hereditary algebras

Details t-structures via recollements for piecewise hereditary algebras t-structures via recollements for piecewise hereditary algebras

2011-03-12

arxiv.org/abs/1103.2444v1

Mathematics

Representation Theory

Scientific paper

Following the work of Beilinson, Bernstein and Deligne, we study restriction and induction of t-structures in triangulated categories with respect to recollements. For derived categories of piecewise hereditary algebras we give a necessary and sufficient condition for a bounded t-structure to be induced from a recollement by derived categories of algebras. As a corollary we prove that for hereditary algebras of finite representation type all bounded t-structures can be obtained in this way.

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