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Related papers: Harnack Inequalities for Yamabe Type Equations

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We give two results about Harnack type inequalities. First, on compact smooth Riemannian surface without boundary, we have an estimate of the type $\sup +\inf$. The second result concerns the solutions of prescribed scalar curvature…

Analysis of PDEs · Mathematics 2007-07-11 Samy Skander Bahoura

We give some estimate of type sup*inf for scalar curvature type equations.

Analysis of PDEs · Mathematics 2013-06-04 Samy Skander Bahoura

In this paper, we investigate the prescribed scalar curvature problem on a non-compact Riemannian manifold $(M, \langle \, , \, \rangle)$, namely the existence of a conformal deformation of the metric $\langle \, , \, \rangle$ realizing a…

Differential Geometry · Mathematics 2024-10-15 Bruno Bianchini , Luciano Mari , Marco Rigoli

We give an inequality of type sup x inf in dimension 5 for a Yamabe type equation.

Differential Geometry · Mathematics 2026-03-31 Samy Skander Bahoura

We construct solutions to a Yamabe type problem on a Riemannian manifold M without boundary and of dimension greater than 2, with nonlinearity close to higher critical Sobolev exponents. These solutions concentrate their mass around a non…

Analysis of PDEs · Mathematics 2014-09-26 Shengbing Deng , Monica Musso , Angela Pistoia

We give some estimates of type sup*inf for the prescribed scalar curvature equation in dimension 4 and 5, under some condtion on the prescribed curvature.

Analysis of PDEs · Mathematics 2014-01-03 Samy Skander Bahoura

We establish the existence of infinitely many complete metrics with constant scalar curvature on prescribed conformal classes on certain noncompact product manifolds. These include products of closed manifolds with constant positive scalar…

Differential Geometry · Mathematics 2019-02-21 Renato G. Bettiol , Paolo Piccione

We study the stability of compactness of solutions for the Yamabe boundary problem on a compact Riemannian manifold with non umbilic boundary. We prove that the set of solutions of Yamabe boundary problem is a compact set when perturbing…

Analysis of PDEs · Mathematics 2021-12-09 Marco G. Ghimenti , Anna Maria Micheletti

We give Harnack inequalities for solutions of equations of type prescribed scalar curvature in dimensions n $\ge$ 4.

Analysis of PDEs · Mathematics 2026-03-25 Samy Skander Bahoura

We give some estimates of type sup $\times$ inf on Riemannian manifold of dimension 5.

Analysis of PDEs · Mathematics 2023-03-02 Samy Skander Bahoura

We study compactness of solutions to the Yamabe problem on Riemannian manifolds which are not locally conformally flat.

Analysis of PDEs · Mathematics 2007-05-23 YanYan Li , Lei Zhang

For an asymptotically Poincare-Einstein manifold with a lower Ricci curvature bound, we establish a sharp inequality relating the type II Yamabe invariant of the interior and the Yamabe invariant of its conformal infinity

Differential Geometry · Mathematics 2022-01-28 Xiaodong Wang , Zhixin Wang

The Yamabe problem concerns finding a conformal metric on a given closed Riemannian manifold so that it has constant scalar curvature. This paper concerns mainly a fully nonlinear version of the Yamabe problem and the corresponding…

Analysis of PDEs · Mathematics 2007-05-23 Aobing Li , YanYan Li

Given a conformally variational scalar Riemannian invariant $I$, we identify a sufficient condition for a compact Riemannian manifold to admit finite regular coverings with many nonhomothetic conformal rescalings with $I$ constant. We also…

Differential Geometry · Mathematics 2025-10-08 João Henrique Andrade , Jeffrey S. Case , Paolo Piccione , Juncheng Wei

Let M,g a compact Riemannian n-dimensional manifold. It is well know that, under certain hypothesis, in the conformal class of g there are scalar-flat metrics that have the boundary of M as a constant mean curvature hypersurface. Also,…

Differential Geometry · Mathematics 2019-12-30 Marco Ghimenti , Anna Maria Micheletti

We consider the product of a compact Riemannian manifold without boundary and null scalar curvature with a compact Riemannian manifold with boundary, null scalar curvature and constant mean curvature on the boundary. We use bifurcation…

Differential Geometry · Mathematics 2017-01-27 Elkin Cárdenas Díaz

Let (V,g) and (W,h) be compact Riemannian manifolds of dimension at least 3. We derive a lower bound for the conformal Yamabe constant of the product manifold (V x W, g+h) in terms of the conformal Yamabe constants of (V,g) and (W,h).

Differential Geometry · Mathematics 2013-04-08 Bernd Ammann , Mattias Dahl , Emmanuel Humbert

We give sufficient and "almost" necessary conditions for the prescribed scalar curvature problems within the conformal class of a Riemannian metric $ g $ for both closed manifolds and compact manifolds with boundary, including the…

Differential Geometry · Mathematics 2023-01-04 Jie Xu

By using variational techniques we provide new existence results for Yamabe-type equations with subcritical perturbations set on a compact $d$-dimensional ($d\geq 3$) Riemannian manifold without boundary. As a direct consequence of our main…

Analysis of PDEs · Mathematics 2020-08-13 Giovanni Molica Bisci , Luca Vilasi , Dušan D. Repovš

In this paper we study the local behaviour of admissible metrics in the k-Yamabe problem on compact Riemannian manifolds $(M, g_0)$ of dimension $n\ge 3$. For $n/2 <k<n$, we prove a sharp Harnack inequality for admissible metrics when…

Differential Geometry · Mathematics 2007-05-23 Neil S. Trudinger , Xu-Jia Wang
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