We establish a new lower bound on the first nonzero eigenvalue $\lambda_1 (\theta ) of the sublaplacian $\Delta_b$ on a compact strictly pseudoconvex CR manifold $M$ carrying a contact form $\theta$ whose Tanaka–Webster connection has pseudohermitian Ricci curvature bounded from below
We present some new lower bound estimates of the first eigenvalue for compact manifolds with positiv...
We study eigenvalue problems for intrinsic sub-Laplacians on regular sub-Riemannian manifolds. We pr...
New lower bounds of the first nonzero eigenvalue of the weighted p-Laplacian are established on comp...
We establish a new lower bound on the first nonzero eigenvalue $\lambda_1 (\theta ) of the sublapla...
[[abstract]]In this paper, we study a lower bound estimate of the first positive eigenvalue of the s...
The purpose of this thesis is to study the spectrum of sublaplacians on compact strictly pseudoconve...
In this paper, we study a lower bound estimate of the first positive eigenvalue of the sublaplacian ...
Le but de cette thèse est d’étudier le spectre du sous-laplacien sur les variétés CR strictement pse...
We study the sublaplacian $\Delta_b$ on a strictly pseudoconvex CR manifold endowed with a contact f...
We study the behavior of the eigenvalues of a sublaplacian \Delta_b on a compact strictly pseudocon...
We study the properties of Carnot–Carathéodory spaces attached to a strictly pseudoconvex CR manifol...
Given a compact strictly pseudoconvex CR manifold $M$, we study the differentiability of the eigenva...
For any compact strictly pseudoconvex CR manifold $M$ endowed with a contact form $\theta$ we obtain...
We prove that the first positive eigenvalue, normalized by the volume, of the sub-Laplacian associat...
Given a compact strictly pseudoconvex CR manifold $M$, we study the differentiability of the eigenva...
We present some new lower bound estimates of the first eigenvalue for compact manifolds with positiv...
We study eigenvalue problems for intrinsic sub-Laplacians on regular sub-Riemannian manifolds. We pr...
New lower bounds of the first nonzero eigenvalue of the weighted p-Laplacian are established on comp...
We establish a new lower bound on the first nonzero eigenvalue $\lambda_1 (\theta ) of the sublapla...
[[abstract]]In this paper, we study a lower bound estimate of the first positive eigenvalue of the s...
The purpose of this thesis is to study the spectrum of sublaplacians on compact strictly pseudoconve...
In this paper, we study a lower bound estimate of the first positive eigenvalue of the sublaplacian ...
Le but de cette thèse est d’étudier le spectre du sous-laplacien sur les variétés CR strictement pse...
We study the sublaplacian $\Delta_b$ on a strictly pseudoconvex CR manifold endowed with a contact f...
We study the behavior of the eigenvalues of a sublaplacian \Delta_b on a compact strictly pseudocon...
We study the properties of Carnot–Carathéodory spaces attached to a strictly pseudoconvex CR manifol...
Given a compact strictly pseudoconvex CR manifold $M$, we study the differentiability of the eigenva...
For any compact strictly pseudoconvex CR manifold $M$ endowed with a contact form $\theta$ we obtain...
We prove that the first positive eigenvalue, normalized by the volume, of the sub-Laplacian associat...
Given a compact strictly pseudoconvex CR manifold $M$, we study the differentiability of the eigenva...
We present some new lower bound estimates of the first eigenvalue for compact manifolds with positiv...
We study eigenvalue problems for intrinsic sub-Laplacians on regular sub-Riemannian manifolds. We pr...
New lower bounds of the first nonzero eigenvalue of the weighted p-Laplacian are established on comp...
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