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Related papers: On Conformal Paneitz Curvature Equations in Higher…

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In this paper we prescribe a fourth order conformal invariant 9the Paneitz Curvature) on five and six spheres. Using dynamical and topological methods involving the study of critical points at infinity of the associated variational problem,…

Analysis of PDEs · Mathematics 2007-05-23 Mohamed Ben Ayed , Khalil El Mehdi

In this paper we study the problem of prescribing a fourth order conformal invariant (the Paneitz curvature) on the $n$-sphere, with $n\geq 5$. Using tools from the theory of critical points at infinity, we provide some topological…

Analysis of PDEs · Mathematics 2007-05-23 Mohamed Ben Ayed , Khalil El Mehdi

We consider the problem of prescribing the Gaussian and the geodesic curvatures of a compact surface with boundary by a conformal deformation of the metric. We derive some existence results using a variational approach, either by…

Analysis of PDEs · Mathematics 2019-01-29 Rafael López-Soriano , Andrea Malchiodi , David Ruiz

We study finite-energy blow-ups for prescribed Morse scalar curvatures in both the subcritical and the critical regime. After general considerations on Palais-Smale sequences we determine precise blow up rates for subcritical solutions: in…

Analysis of PDEs · Mathematics 2020-01-27 Andrea Malchiodi , Martin Mayer

For the prescribed scalar curvature equation on $S^n$ ($n \ge 6$), we consider the situation where the number of bubbles tends to infinity in the Lyapunov-Schmidt (finite dimension) reduction method. In an outstanding paper by Wei and Yan,…

Analysis of PDEs · Mathematics 2021-07-19 Man Chun Leung

In this paper we perform a refined blow up analysis of finite energy approximated solutions to a Nirenberg type problem on half spheres. The later consists of prescribing, under minimal boundary conditions, the scalar curvature to be a…

Analysis of PDEs · Mathematics 2022-09-13 Mohameden Ahmedou , Mohamed Ben Ayed

We consider the problem of prescribing the scalar curvature and the boundary mean curvature of the standard half three sphere, by deforming conformally its standard metric. Using blow up analysis techniques and minimax arguments, we prove…

Differential Geometry · Mathematics 2007-05-23 Zindine Djadli , Andrea Malchiodi , Mohameden Ould Ahmedou

A version of the singular Yamabe problem in smooth domains in a closed manifold yields complete conformal metrics with negative constant scalar curvatures. In this paper, we study the blow-up phenomena of Ricci curvatures of these metrics…

Differential Geometry · Mathematics 2023-10-27 Qing Han , Weiming Shen , Yue Wang

This paper is devoted to the problem of prescribing the scalar curvature under zero boundary conditions. Using dynamical and topological methods involving the study of critical points at infinity of the associated variational problem, we…

Analysis of PDEs · Mathematics 2007-05-23 Mohamed Ben Ayed , Khalil El Mehdi , Mohameden Ould Ahmedou

In this paper, we extend the analysis of the subcritical approximation of the Nirenberg problem on spheres recently conducted in \cite{MM19, MM}. Specifically, we delve into the scenario where the sequence of blowing up solutions exhibits a…

Analysis of PDEs · Mathematics 2024-04-23 Mohameden Ahmedou , Mohamed Ben Ayed , Khalil El Mehdi

In this paper we perform a fine blow-up analysis for a fourth order elliptic equation involving critical Sobolev exponent, related to the prescription of some conformal invariant on the standard sphere. We derive from this analysis some a…

Analysis of PDEs · Mathematics 2007-05-23 Zindine Djadli , Andrea Malchiodi , Mohameden Ould Ahmedou

Prescribing conformally the scalar curvature of a Riemannian manifold as a given function consists in solving an elliptic PDE involving the critical Sobolev exponent. One way of attacking this problem consist in using subcritical…

Analysis of PDEs · Mathematics 2020-01-28 Andrea Malchiodi , Martin Mayer

This paper is concerned with the compactness of metrics of the disk with prescribed Gaussian and geodesic curvatures. We consider a blowing-up sequence of metrics and give a precise description of its asymptotic behavior. In particular, the…

Analysis of PDEs · Mathematics 2023-02-15 Aleks Jevnikar , Rafael López-Soriano , María Medina , David Ruiz

In this paper a fourth order equation involving critical growth is considered under Navier boundary condition. We give some topological conditions on a given function to ensure the existence of solutions. Our methods involve the study of…

Analysis of PDEs · Mathematics 2007-05-23 Mohamed Ben Ayed , Khalil El Mehdi , Mokhless Hammami

In this paper, we consider the problem of prescribing the scalar curvature under minimal boundary conditions on the standard four dimensional half sphere. We provide an Euler-Hopf type criterion for a given function to be a scalar curvature…

Analysis of PDEs · Mathematics 2016-09-07 M. Ben Ayed , K. El Mehdi , M. Ould Ahmedou

We show a new example of blow-up behaviour for the prescribed $Q$-curvature equation in even dimension $6$ and higher, namely given a sequence $(V_k)\subset C^0(\mathbb{R}^{2n})$ suitably converging we construct {for $n\geq 3$} a sequence…

Analysis of PDEs · Mathematics 2019-06-05 Ali Hyder , Luca Martinazzi

The problem of prescribing conformally the scalar curvature of a closed Riemannian manifold as a given Morse function reduces to solving an elliptic partial differential equation with critical Sobolev exponent. Two ways of attacking this…

Differential Geometry · Mathematics 2021-06-18 Martin Mayer

This manuscript is devoted to constructing complete metrics with constant higher fractional curvature on punctured spheres with finitely many isolated singularities. Analytically, this problem is reduced to constructing singular solutions…

Analysis of PDEs · Mathematics 2023-07-10 João Henrique Andrade , Juncheng Wei , Zikai Ye

In this paper we consider a doubly critical nonlinear elliptic problem with Neumann boundary conditions. The existence of blow-up solutions for this problem is related to the blow-up analysis of the classical geometric problem of…

Analysis of PDEs · Mathematics 2024-07-04 Sergio Cruz-Blázquez

We investigate fourth order Paneitz equations of critical growth in the case of $n$-dimensional closed conformally flat manifolds, $n \ge 5$. Such equations arise from conformal geometry and are modelized on the Einstein case of the…

Analysis of PDEs · Mathematics 2011-03-04 Emmanuel Hebey , Frédéric Robert
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