CR-invariance of the Steinness index

Published 3 Aug 2019 in math.CV | (1908.01214v1)

Abstract: We characterize the Diederich-Fornaess 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-Fornaess and Steinness indices are invariant under CR-diffeomorphisms by showing CR-invariance of D'Angelo 1-forms.

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Authors (1)

Jihun Yum

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