论文标题

与伪构序序列相关的评估域空间的衡量性

Metrizability of spaces of valuation domains associated to pseudo-convergent sequences

论文作者

Peruginelli, Giulio, Spirito, Dario

论文摘要

让$ v $是一个与商字段$ k $的等级第一的估值域。我们从拓扑的角度研究了由$ k $引起的理性功能领域$ k(x)$的$ v $的扩展名,从拓扑角度来看,与Zariski或可构造拓扑结构赋予了这套集合。特别是,我们考虑了由规定的宽度或规定的伪限制的序列引起的两个子空间。我们为Zariski空间提供了一些必要的条件,可以在价值组和$ v $的残留场方面进行Metrizable(在可构造拓扑结构下)。

Let $V$ be a valuation domain of rank one with quotient field $K$. We study the set of extensions of $V$ to the field of rational functions $K(X)$ induced by pseudo-convergent sequences of $K$ from a topological point of view, endowing this set either with the Zariski or with the constructible topology. In particular, we consider the two subspaces induced by sequences with a prescribed breadth or with a prescribed pseudo-limit. We give some necessary conditions for the Zariski space to be metrizable (under the constructible topology) in terms of the value group and the residue field of $V$.

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