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arXiv 1103.2139math.AG
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戴环空间的局部化

Localization of ringed spaces

W. D. Gillam

摘要:

设$X$是一个环空间,其中每个点$x \in X$的素理想集合$M_x$的数据$M$是$Ø_{X,x}$的素理想集合$M_x$的数据。我们引入了$(X,M)$的局部化,它是一个局部环空间$Y$和一个戴环空间的映射$Y \to X$,它具有类似于环在素理想上局部化的普适性质.我们利用这一点证明了局部戴环空间范畴具有所有的逆极限,并将它们与戴环空间中的逆极限进行了比较,构造了一个非常一般的$\Spec$函子.最后,我们讨论了相关的方案。

英文摘要:

Let $X$ be a ringed space together with the data $M$ of a set $M_x$ of prime ideals of $Ø_{X,x}$ for each point $x \in X$. We introduce the localization of $(X,M)$, which is a locally ringed space $Y$ and a map of ringed spaces $Y \to X$ enjoying a universal property similar to the localization of a ring at a prime ideal. We use this to prove that the category of locally ringed spaces has all inverse limits, to compare them to the inverse limit in ringed spaces, and to construct a very general $\Spec$ functor. We conclude with a discussion of relative schemes.

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