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Lifting (co)stratifications between tensor triangulated categories
Israel Journal of Mathematics ( IF 1 ) Pub Date : 2023-11-29 , DOI: 10.1007/s11856-023-2578-5
Liran Shaul , Jordan Williamson

We give necessary and sufficient conditions for stratification and costratification to descend along a coproduct preserving, tensor-exact R-linear functor between R-linear tensor-triangulated categories which are rigidly-compactly generated by their tensor units. We then apply these results to non-positive commutative DG-rings and connective ring spectra. In particular, this gives a support-theoretic classification of (co)localizing subcategories, and thick subcategories of compact objects of the derived category of a non-positive commutative DG-ring with finite amplitude, and provides a formal justification for the principle that the space associated to an eventually coconnective derived scheme is its underlying classical scheme. For a non-positive commutative DG-ring A, we also investigate whether certain finiteness conditions in D(A) (for example, proxy-smallness) can be reduced to questions in the better understood category D(H0A).



中文翻译:

提升张量三角类别之间的(共)分层

我们给出了分层和共分层沿着由张量单元严格紧生成的 R 线性张量三角类别之间的余积保留、张量精确 R 线性函子下降的必要充分条件。然后我们将这些结果应用于非正交换 DG 环和连接环谱。特别是,这给出了(共)局域化子类别和具有有限幅度的非正交换 DG 环的派生类别的紧凑对象的厚子类别的支持理论分类,并为以下原则提供了形式证明:与最终共连接派生方案相关的空间是其基础经典方案。对于非正交换 DG 环A ,我们还研究 D( A )中的某些有限性条件(例如,代理小性)是否可以简化为更好理解的类别 D( H 0 A ) 中的问题。

更新日期:2023-11-29
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