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arXiv 1504.01296math.AG
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光滑底空间上孤立曲线奇异变形的等正规化性和拓扑平凡性

Equinormalizability and topologically triviality of deformations of isolated curve singularities over smooth base spaces

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摘要:

给出了$\geq 1$维光滑底空间上孤立(不一定约化)曲线奇点形变的等正规化的$δ$常数判据.对于单参数孤立曲线奇点族,我们证明了它们的拓扑平凡性等价于弱同时分解的承认。

英文摘要:

We give a $δ$-constant criterion for equinormalizability of deformations of isolated (not necessarily reduced) curve singularities over smooth base spaces of dimension $\geq 1$. For one-parametric families of isolated curve singularities, we show that their topologically triviality is equivalent to the admission of weak simultaneous resolutions.

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