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Embedded Three Dimensional CR Manifolds and the Non-Negativity of Paneitz Operators by Chanillo, Sagun; Chiu, Hung-Lin; Yang, Paul is a scholarly article available to read on EtoBox.

What is Embedded Three Dimensional CR Manifolds and the Non-Negativity of Paneitz Operators about?

Let $\Omega$ be a bounded strictly pseudoconvex domain in $C^2$ with a smooth, connected and compact boundary M and having a CR structure $J_0$ induced from $C^2$. Assume this CR structure has zero Webster torsion. Then if we deform the CR structure through real-analytic dependence on the deformation parameter and such that each deformed structure along the deformation path is smooth and embeddable in $C^2$, we show that for small deformations of the CR structure $J$ from $J_0$, the associated CR Paneitz operator for $J$ is non-negative. We also show that the Webster curvature for any ellipsoid in $C^2$ is positive. The results in this paper complement and provide partial converses to our earlier paper, (to appear Duke Math. J.) arxiv: 1007.5020.

Author

Chanillo, Sagun; Chiu, Hung-Lin; Yang, Paul

Published

2012

Language

EN