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arXiv 2303.07699math.AG
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关于次解析集的Nash点

On the Nash points of subanalytic sets

Andre Belotto da Silva, Octave Curmi, Guillaume Rond

摘要:

利用最近发展的Eisenstein幂级数的秩定理,对W. Pawlucki:I)复或实解析映射的非正则轨迹是一个解析集。II)一个次解析集X的半解析点或纳什点的集合是一个次解析集,它的补在X中有余维数2。

英文摘要:

Based on a recently developed rank Theorem for Eisenstein power series, we provide new proofs of the following two results of W. Pawlucki: I) The non regular locus of a complex or real analytic map is an analytic set. II) The set of semianalytic or Nash points of a subanalytic set X is a subanalytic set, whose complement has codimension two in X.

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