On the estimate of the first eigenvalue of a sub-Laplacian on a pseudo-Hermitian 3-manifold (Q952997)
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scientific article; zbMATH DE number 5366265
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the estimate of the first eigenvalue of a sub-Laplacian on a pseudo-Hermitian 3-manifold |
scientific article; zbMATH DE number 5366265 |
Statements
On the estimate of the first eigenvalue of a sub-Laplacian on a pseudo-Hermitian 3-manifold (English)
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14 November 2008
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eigenvalue
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gradient estimate
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pseudo-Hermitian manifold
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Tanaka-Webster curvature
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pseudo-Hermitian torsion
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CR Paneitz operator
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sub-Laplacian
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Carnot-cCarathéodory distance
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diameter
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