On the estimate of the first eigenvalue of a sub-Laplacian on a pseudo-Hermitian 3-manifold
type: Item
instance of: scholarly article
title: On the estimate of the first eigenvalue of a sub-Laplacian on a pseudo-Hermitian 3-manifold
zbMATH Open document ID: 1152.58026
author: Shu-Cheng Chang
author: Hung-Lin Chiu
published in: Pacific Journal of Mathematics
publication date: 2008-11-14T00:00:00Z
Mathematics Subject Classification ID: 58J50
Mathematics Subject Classification ID: 32V05
Mathematics Subject Classification ID: 32V20
Mathematics Subject Classification ID: 53C56
zbMATH DE Number: 5366265
zbMATH Keywords: eigenvalue
zbMATH Keywords: gradient estimate
zbMATH Keywords: pseudo-Hermitian manifold
zbMATH Keywords: Tanaka-Webster curvature
zbMATH Keywords: pseudo-Hermitian torsion
zbMATH Keywords: CR Paneitz operator
zbMATH Keywords: sub-Laplacian
zbMATH Keywords: Carnot-cCarathéodory distance
zbMATH Keywords: diameter
MaRDI profile type: Publication
full work available at URL: pjm.2007.232.269
OpenAlex ID: W2027872391
DOI: 10.2140/PJM.2007.232.269
description: scientific article; zbMATH DE number 5366265