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arXiv 1803.08752math.AG
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关于几点的Weierstrass间隙

On Weierstrass gaps at several points

Wanderson Tenório, Guilherme Tizziotti

摘要:

我们考虑的问题,确定Weierstrass间隙和纯Weierstrass间隙在几个点。利用\cite{D}给出的广义Weierstrass半群的相对极大性的概念,给出了这些元素的一个描述,推广了Homma和Kim \cite{HK}给出的对的描述方法.通过这种描述,我们研究了一类分离变量曲线族上几点处的间隙和纯间隙。

英文摘要:

We consider the problem of determining Weierstrass gaps and pure Weierstrass gaps at several points. Using the notion of relative maximality in generalized Weierstrass semigroups due to Delgado \cite{D}, we present a description of these elements which generalizes the approach of Homma and Kim \cite{HK} given for pairs. Through this description, we study the gaps and pure gaps at several points on a certain family of curves with separated variables.

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