Koszul duality for stratified algebras I. Balanced quasi-hereditary algebras
Koszul duality for stratified algebras I. Balanced quasi-hereditary algebras
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分层代数的 Koszul 对偶性 I. 平衡准遗传代数
DOI:
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发表时间:
2009
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通讯作者:
V. Mazorchuk
中科院分区:
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作者:
V. Mazorchuk
We give a complete picture of the interaction between Koszul and Ringel dualities for quasi-hereditary algebras admitting linear tilting (co)resolutions of standard and costandard modules. We show that such algebras are Koszul, that the class of these algebras is closed with respect to both dualities and that on this class these two dualities commute. All arguments reduce to short computations in the bounded derived category of graded modules.