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CR-invariance of the Steinness index
Mathematische Zeitschrift ( IF 1.0 ) Pub Date : 2020-06-03 , DOI: 10.1007/s00209-020-02545-1
Jihun Yum

We characterize the Diederich–Fornæss index and the Steinness index in terms of a special 1-form, which we call D’Angelo 1-form. We then prove that the Diederich–Fornæss and Steinness indices are invariant under CR-diffeomorphisms by showing CR-invariance of D’Angelo 1-forms.

中文翻译:

Steinness 指数的 CR 不变性

我们根据特殊的 1-形式来表征 Diederich-Fornæss 指数和 Steinness 指数,我们称之为 D'Angelo 1-形式。然后,我们通过显示 D'Angelo 1-形式的 CR 不变性来证明 Diederich-Fornæss 和 Steinness 指数在 CR 微分同胚下是不变的。
更新日期:2020-06-03
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