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arXiv 1807.05558math.AG
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关于有限多项式映射

On finite polynomial mappings

Zbigniew Jelonek

摘要:

设$X\subset \mathbb{C}^n$是维数为$k$的光滑不可约仿射簇,$F: X\to \mathbb{C}^m$是多项式映射.证明了若$m\ge k$,则在线性映射空间${\mathcal L}( \mathbb{C}^n, \mathbb{C}^m)$中存在一个Zurski开稠密子集$U$,使得对每个$L\in U$,映射$F+L$是有限映射.此外,我们可以这样选择$U$,即所有映射$F+L; L\in U$都是拓扑等价的。

英文摘要:

Let $X\subset \mathbb{C}^n$ be a smooth irreducible affine variety of dimension $k$ and let $F: X\to \mathbb{C}^m$ be a polynomial mapping. We prove that if $m\ge k$, then there is a Zariski open dense subset $U$ in the space of linear mappings ${\mathcal L}( \mathbb{C}^n, \mathbb{C}^m)$ such that for every $L\in U$ the mapping $F+L$ is a finite mapping. Moreover, we can choose $U$ in this way, that all mappings $F+L; L\in U$ are topologically equivalent.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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