Abstract
This paper gives an explicit formula for calculating the Webster pseudo torsion for a strictly pseudoconvex pseudo-hermitian hypersurface. As applications, we are able to classify some pseudo torsion-free hypersurfaces, which include real ellipsoids.
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Dedicated to Professor Sheng GONG on the occasion of his 75th birthday
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Li, S., Luk, HS. An explicit formula for the Webster torsion of a pseudo-hermitian manifold and its application to torsion-free hypersurfaces. SCI CHINA SER A 49, 1662–1682 (2006). https://doi.org/10.1007/s11425-006-2071-8
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DOI: https://doi.org/10.1007/s11425-006-2071-8