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arXiv 1002.0024math.AG
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由光滑簇控制的曲面奇点

Surface singularities dominated by smooth varieties

Hélène Esnault, Eckart Viehweg

摘要:

利用$U=X\setminus \{x\}$的拓扑基本群的平凡性给出了Mumford定理的一个特征$p>0$形式,该定理刻画了曲面$(X,x)$的光滑复芽.本说明依赖于作者在2009/10年圣诞节期间在Ivry进行的讨论。在埃卡特去世的那天晚上,海伦写下了这些文字,作为爱的绝望信号。

英文摘要:

We give a version in characteristic $p>0$ of Mumford's theorem characterizing a smooth complex germ of surface $(X,x)$ by the triviality of the topological fundamental group of $U=X\setminus \{x\}$. This note relies on discussions the authors had during the Christmas break 2009/10 in Ivry. They have been written down by Hélène in the night when Eckart died, as a despaired sign of love.

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