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Classification and nonexistence for $t$-structures on derived categories of schemes (2404.08578v4)

Published 12 Apr 2024 in math.AG and math.CT

Abstract: This work establishes new results on the classification of $t$-structures for many subcategories of the derived category of quasi-coherent sheaves on a Noetherian scheme. Our work makes progress in two different directions. On one hand, we provide an improvement of a result of Takahashi on $t$-structures, generalizing it to the case of the bounded derived category of coherent sheaves on a quasi-compact CM-excellent scheme of finite Krull dimension. On the other hand, via independent techniques, we prove a variation of a recent result of Neeman which resolved a conjecture of Antieau, Gepner, and Heller.

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