The first eigenvalue of a sublaplacian on a pseudohermitian manifold

DOI10.1080/03605308508820376zbMath0563.58034OpenAlexW1976847730MaRDI QIDQ3676869

Allan Greenleaf

Publication date: 1985

Published in: Communications in Partial Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03605308508820376

zbMATH Keywords

Laplace operatorsublaplacianfirst eigenvalueCR-manifold

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Spectral problems; spectral geometry; scattering theory on manifolds (58J50)

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Cites Work

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• Structure theory and convergence in Riemannian geometry
• Eigenvalue comparison theorems and its geometric applications
• On the eigenvalues of a class of hypoelliptic operators
• The relation between the Laplacian and the diameter for manifolds of non- negative curvature
• Harmonic integrals on strongly pseudo-convex manifolds. II
• Estimates for the \documentclass{article}\pagestyle{empty}\begin{document}$ \mathop \partial \limits^ - _b $\end{document} complex and analysis on the heisenberg group

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