@Article{JPDE-22-1,
author = {Na Wei , Pengcheng Niu  and Haifeng Liu },
title = {Dirichlet Eigenvalue Ratios for the <em>p</em>-sub-Laplacian in the Carnot Group},
journal = {Journal of Partial Differential Equations},
year = {2009},
volume = {22},
number = {1},
pages = {1--10},
abstract = {<p>We prove some new Hardy type inequalities on the bounded domain with smooth boundary in the Carnot group. Several estimates of the first and second Dirichlet eigenvalues for the p-sub-Laplacian are established.</p>},
issn = {2079-732X},
doi = {https://doi.org/},
url = {http://global-sci.org/intro/article_detail/jpde/5243.html}
}