Following the work of Beilinson, Bernstein and Deligne, we study restriction and induction of t-structures on 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 recollements 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.
t-structures via recollements for piecewise hereditary algebras
Vitória, Jorge
2012-01-01
Abstract
Following the work of Beilinson, Bernstein and Deligne, we study restriction and induction of t-structures on 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 recollements 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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