Consider F(N x R) the set of closed hypersurfaces M such that M C N x R) where N is a simply connected riemannian manifold with sectional curvature bounded above (KN ≤ -k2 < 0). Thereafter, with the aid of Hessian Comparison Theorem we show some inequalities for these submanifolds M С N x R with constant mean curvature HM.Consideraremos F(N x R) o conjunto das H-hipersuperfícies fechadas M tal que M С N x R, onde N é uma variedade riemanniana simplesmente conexa com curvatura seccional limitada superiormente (KN ≤ -k2 < 0). A partir daí, com o auxílio do Teorema de Comparação do Hessiano mostraremos algumas desigualdades para estas subvariedades M С N x R com curvatura média constante HM
24 pagesWe prove that hypersurfaces of $\R^{n+1}$ which are almost extremal for the Reilly inequalit...
number of isometrically distinct immersions of a closed surface of genus one into R3 with constant m...
Certain basic inequalities involving the squared mean curvature and one of the Ricci curvature, the ...
Consideraremos F(N x R) o conjunto das H-hipersuperfÃcies fechadas M tal que M С N x R, onde N...
AbstractWe show that H-hypersurfaces of Hn×R contained in a vertical cylinder and with Ricci curvatu...
We construct and use solutions, subsolutions, and supersolutions of differential equa-tions as catal...
The present work is organized in the following way: we establish several notations, as well as colle...
Let Nn+1 be a Riemannian manifold with sectional curvatures uniformly bounded from below. When n = 3...
We prove mean and sectional curvature estimates for submanifolds confined into either a horocylinder...
Let M be an m-dimensional Riemannian manifold with sectional curvature bounded from below. We consid...
On H-type sub-Riemannian manifolds we establish sub-Hessian and sub-Laplacian comparison theorems wh...
We consider statistical submanifolds of Hessian manifolds of constant Hessian curvature. For such su...
Let Q be a closed convex hypersurface of class C3 of the n-dimensional space of constant curvature K...
We obtain a comparison formula for integrals of mean curvatures of Riemannian hypersurfaces, via Rei...
In this work, we study interactions between the curvature of a Riemannian manifold and the geometry ...
24 pagesWe prove that hypersurfaces of $\R^{n+1}$ which are almost extremal for the Reilly inequalit...
number of isometrically distinct immersions of a closed surface of genus one into R3 with constant m...
Certain basic inequalities involving the squared mean curvature and one of the Ricci curvature, the ...
Consideraremos F(N x R) o conjunto das H-hipersuperfÃcies fechadas M tal que M С N x R, onde N...
AbstractWe show that H-hypersurfaces of Hn×R contained in a vertical cylinder and with Ricci curvatu...
We construct and use solutions, subsolutions, and supersolutions of differential equa-tions as catal...
The present work is organized in the following way: we establish several notations, as well as colle...
Let Nn+1 be a Riemannian manifold with sectional curvatures uniformly bounded from below. When n = 3...
We prove mean and sectional curvature estimates for submanifolds confined into either a horocylinder...
Let M be an m-dimensional Riemannian manifold with sectional curvature bounded from below. We consid...
On H-type sub-Riemannian manifolds we establish sub-Hessian and sub-Laplacian comparison theorems wh...
We consider statistical submanifolds of Hessian manifolds of constant Hessian curvature. For such su...
Let Q be a closed convex hypersurface of class C3 of the n-dimensional space of constant curvature K...
We obtain a comparison formula for integrals of mean curvatures of Riemannian hypersurfaces, via Rei...
In this work, we study interactions between the curvature of a Riemannian manifold and the geometry ...
24 pagesWe prove that hypersurfaces of $\R^{n+1}$ which are almost extremal for the Reilly inequalit...
number of isometrically distinct immersions of a closed surface of genus one into R3 with constant m...
Certain basic inequalities involving the squared mean curvature and one of the Ricci curvature, the ...