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arXiv math/0307189math.AGmath.AT
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形式概形上的Bousfield局部化

Bousfield localization on formal schemes

Leovigildo Alonso, Ana Jeremias, Ma. -Jose Souto

摘要:

设(X,O_X)是Noether形式概形,D_qct(X)是它的具有拟凝聚扭同调的层的导出范畴.证明了D_qct(X)的刚性(即\tensor -理想)局部化子范畴集与X中的子集之间存在双射,推广了Neeman的工作.此外,如果X是分离的,在某些情况下,相关的本地化和acyclization函子描述。当Z对于X的特殊化子集是稳定的时,它的非环化是Γ_Z.当X是一个概形时,相应的局部化子范畴由完全复形生成,我们恢复了Kesarason的厚子范畴分类。另一方面,如果Y是X的一般稳定子集,我们给出了相关局部化函子的表达式。

英文摘要:

Let (X, O_X) be a noetherian formal scheme and consider D_qct(X) its derived category of sheaves with quasi-coherent torsion homology. We show that there is a bijection between the set of rigid (i.e. \tensor-ideals) localizing subcategories of D_qct(X) and subsets in X, generalizing previous work by Neeman. If moreover X is separated, the associated localization and acyclization functors are described in certain cases. When Z is a stable for specialization subset of X, its associated acyclization is Γ_Z. When X is an scheme, the corresponding localizing subcategories are generated by perfect complexes and we recover Thomason's classification of thick subcategories. On the other hand, if Y is a generically stable subset of X, we give an expression for the associated localization functor.

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