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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

In this article we reduce the geometric stability conjecture for the scalar torus rigidity theorem to the conformal case via the Yamabe problem. Then we are able to prove the case where a sequence of Riemannian manifolds is conformal to a…

Differential Geometry · Mathematics 2021-06-29 Brian Allen

Let $(M^{n},g_{0})$ be a $n=3,4,5$ dimensional, closed Riemannian manifold of positive Yamabe invariant. For a smooth function $K>0$ on $M$ we consider a scalar curvature flow, that tends to prescribe $K$ as the scalar curvature of a metric…

Differential Geometry · Mathematics 2015-09-03 Martin Mayer

Let (M,g) be a compact Riemannian manifold with boundary. This paper addresses the Yamabe-type problem of finding a conformal scalar-flat metric on M, which has the boundary as a constant mean curvature hypersurface. When the boundary is…

Differential Geometry · Mathematics 2010-12-24 Sergio Almaraz

We show that any Riemannian metric conformal to the round metric on $S^n$, for $n\geq 4$, arises as a limit of a sequence of Riemannian metrics of positive scalar curvature on $S^n$ in the sense of uniform convergence of Riemannian…

Differential Geometry · Mathematics 2024-11-19 Man-Chun Lee , Peter M. Topping

On a compact Riemannian manifold with boundary, we study the set of conformal metrics of negative constant scalar curvature in the interior and positive constant mean curvature on the boundary. Working in the case of positive Yamabe…

Differential Geometry · Mathematics 2025-02-13 Sergio Almaraz , Shaodong Wang

In this paper, we give both positive and negative answers to Gromov's compactness question regarding positive scalar curvature metrics on noncompact manifolds. First we construct examples that give a negative answer to Gromov's compactness…

Differential Geometry · Mathematics 2023-02-07 Shmuel Weinberger , Zhizhang Xie , Guoliang Yu

The negative case of the Singular Yamabe Problem concerns the existence and behavior of complete metrics with constant negative scalar curvature on the complement of a closed set in a compact Riemannian manifold which are conformally…

dg-ga · Mathematics 2008-02-03 David L. Finn

In this article, we found a connection between Brown-York mass and the first Dirichlet Eigenvalue of a Schr\"odingier type operator. In particular, we proved a local positive mass type theorem for metrics conformal to the background one…

Differential Geometry · Mathematics 2015-05-19 Wei Yuan

We introduce a sequence of conformally invariant scalar curvature quantities, defined along the conformal infinity of a conformally compact (CC) manifold, that measure the failure of a CC metric to have constant negative scalar curvature in…

Differential Geometry · Mathematics 2025-01-22 A. Rod Gover , Jarosław Kopiński , Andrew Waldron

We study the scalar curvature of incomplete wedge metrics in certain stratified spaces with a single singular stratum (wedge spaces). Building upon several well established technical tools for this category of spaces (the corresponding…

Differential Geometry · Mathematics 2023-04-19 Levi Lopes de Lima

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 illustrate an example of a generic, positive function K on a Riemannian manifold to be conformally prescribed as the scalar curvature, for which the corresponding Yamabe type L2-gradient flow exhibits non compact flow lines, while a…

Differential Geometry · Mathematics 2020-01-28 Martin Mayer

In this paper, we prove some rigidity theorems for compact Bach-flat $n$-manifold with the positive constant scalar curvature. In particular, our conditions in Theorem 1.4 have the additional properties of being sharp.

Differential Geometry · Mathematics 2017-07-25 Haiping Fu , Jianke Peng

In hep-th/9910245, Witten and Yau consider the AdS/CFT correspondence in the context of a Riemannian Einstein manifold $M^{n+1}$ of negative Ricci curvature which admits a conformal compactification with conformal boundary $N^n$. They prove…

High Energy Physics - Theory · Physics 2007-05-23 Mingliang Cai , Gregory J. Galloway

In this paper, we investigate the noncompact prescribed Chern scalar curvature problem which reduces to solve a Kazdan-Warner type equation on noncompact non-K\"{a}hler manifolds. By introducing an analytic condition on noncompact…

Differential Geometry · Mathematics 2023-04-28 Di Wu , Xi Zhang

Let $(M,g)$ be a compact conformally flat manifold of dimension $n\geq4$ with positive scalar curvature. According to a positive mass theorem by Schoen and Yau, the constant term in the development of the Green function of the conformal…

Differential Geometry · Mathematics 2011-02-21 Pierre Jammes

Although scalar curvature is the simplest curvature invariant, our understanding of scalar curvature has not matured to the same level as Ricci or sectional curvature. Despite this fact, many rigidity phenomenon have been established which…

Differential Geometry · Mathematics 2024-04-04 Brian Allen

On a compact three-dimensional Riemannian manifold with boundary, we prove the compactness of the full set of conformal metrics with positive constant scalar curvature and constant mean curvature on the boundary. This involves a blow-up…

Differential Geometry · Mathematics 2023-09-06 Sergio Almaraz , Shaodong Wang

On a compact manifold $M$ with boundary $\partial M$, we study the problem of prescribing the scalar curvature in $M$ and the mean curvature on the boundary $\partial M$ simultaneously. To do this, we introduce the notion of singular…

Differential Geometry · Mathematics 2020-08-28 Pak Tung Ho , Yen-Chang Huang