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Riesz Means of Dirichlet Eigenvalues for the Sub-Laplace Operator on the Engel Group
Department of Applied Mathematics, Northwestern Polytechnical University, Xi’an, China
- 1 Department of Applied Mathematics, Northwestern Polytechnical University, Xi’an, China
Advances in Pure Mathematics·Volume 03 (2013)·Pages 1–7·Published 4 December 2013·DOI10.4236/apm.2013.39A2001
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Abstract
In this paper, we are concerned with the Riesz means of Dirichlet eigenvalues for the sub-Laplace operator on the Engel group and deriver di ff erent inequalities for Riesz means. The Weyl-type estimates for means of eigenvalues are given.
KeywordsEngel GroupSub-Laplace OperatorEigenvaluesRiesz Mean
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