We characterize homogeneous three-dimensional CR manifolds, in particular Rossi spheres, as critical points of a certain energy functional that depends on the Webster curvature and torsion of the pseudohermitian structure.Comment: 15 page
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
We show that homogeneous Einstein metrics on Euclidean spaces are Einstein solvmanifolds, using that...
We prove that every closed, universally embeddable CR three-manifold with nonnegative Yamabe constan...
We exhibit examples of compact three-dimensional CR manifolds of positive Webster class, Rossi spher...
We consider sone analytic problems arising in sub-Riemannian geometry. First, we construct singular ...
We study the eigenvalues of the Kohn Laplacian on a closed embedded strictly pseudoconvex CR manifol...
We study a CR analogue of the Ahlfors derivative for conformal immersions of Stowe [23] that general...
A three-dimensional pseudo-Riemannian manifold is called essentially conformally symmetric (ECS) if ...
We investigate 3-nondegenerate CR structures in the lowest possible dimension 7, and one of our goal...
We study the second fundamental form of semi-isometric CR immersions from strictly pseudoconvex CR m...
In this paper, we deal with a strongly pseudoconvex almost CR manifold with a CR contraction. We wil...
AbstractWe show that the pseudohermitian sectional curvature Hθ(σ) of a contact form θ on a strictly...
AbstractWe show that the pseudohermitian sectional curvature Hθ(σ) of a contact form θ on a strictly...
We show that ten-dimensional closed simply connected positively curved manifolds with isometric effe...
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
We show that homogeneous Einstein metrics on Euclidean spaces are Einstein solvmanifolds, using that...
We prove that every closed, universally embeddable CR three-manifold with nonnegative Yamabe constan...
We exhibit examples of compact three-dimensional CR manifolds of positive Webster class, Rossi spher...
We consider sone analytic problems arising in sub-Riemannian geometry. First, we construct singular ...
We study the eigenvalues of the Kohn Laplacian on a closed embedded strictly pseudoconvex CR manifol...
We study a CR analogue of the Ahlfors derivative for conformal immersions of Stowe [23] that general...
A three-dimensional pseudo-Riemannian manifold is called essentially conformally symmetric (ECS) if ...
We investigate 3-nondegenerate CR structures in the lowest possible dimension 7, and one of our goal...
We study the second fundamental form of semi-isometric CR immersions from strictly pseudoconvex CR m...
In this paper, we deal with a strongly pseudoconvex almost CR manifold with a CR contraction. We wil...
AbstractWe show that the pseudohermitian sectional curvature Hθ(σ) of a contact form θ on a strictly...
AbstractWe show that the pseudohermitian sectional curvature Hθ(σ) of a contact form θ on a strictly...
We show that ten-dimensional closed simply connected positively curved manifolds with isometric effe...
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
We show that homogeneous Einstein metrics on Euclidean spaces are Einstein solvmanifolds, using that...