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- W2017193622 abstract "It is proved that an element $r$ in the center of a coherent ring $Lambda$ annihilates $mathrm{Ext}^{n}_{Lambda}(M,N)$, for some positive integer $n$ and all finitely presented $Lambda$-modules $M$ and $N$, if and only if the bounded derived category of $Lambda$ is an extension of the subcategory consisting of complexes annihilated by $r$ and those obtained as $n$-fold extensions of $Lambda$. This has applications to finiteness of dimension of derived categories." @default.
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- W2017193622 date "2014-05-21" @default.
- W2017193622 modified "2023-10-03" @default.
- W2017193622 title "Annihilation of cohomology and decompositions of derived categories" @default.
- W2017193622 cites W2123014530 @default.
- W2017193622 doi "https://doi.org/10.48550/arxiv.1405.5299" @default.
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