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We study the problem of deforming a Riemannian metric to a conformal one with nonzero constant scalar curvature and nonzero constant boundary mean curvature on a compact manifold of dimension $n\geq 3$. We prove the existence of such…

Differential Geometry · Mathematics 2018-04-20 Xuezhang Chen , Liming Sun

This paper investigates conformal deformations of the scalar curvature and mean curvature on complete Riemannian manifolds with boundary. We establish sufficient conditions for the existence of conformal deformations to complete metrics…

Differential Geometry · Mathematics 2025-01-22 Tiarlos Cruz , Almir Silva Santos

We consider conformal metrics of constant curvature 1 on a Riemann surface, with finitely many prescribed conic singularities and prescribed angles at these singularities. Especially interesting case which was studied by C. L. Chai, C. S…

Differential Geometry · Mathematics 2021-03-25 Alexandre Eremenko

We consider the conformal class of the Riemannian product $g_0 + g$, where $g_0$ is the constant curvature metric on $S^m$ and $g$ is a metric of constant scalar curvature on some closed manifold. We show that the number of metrics of…

Differential Geometry · Mathematics 2008-12-24 Jimmy Petean

A conformal metric $g$ with constant curvature one and finite conical singularities on a compact Riemann surface $\Sigma$ can be thought of as the pullback of the standard metric on the 2-sphere by a multi-valued locally univalent…

Differential Geometry · Mathematics 2016-01-20 Qing Chen , Wei Wang , Yingyi Wu , Bin Xu

In this paper, we establish the existence of conformal deformations that uniformize fourth order curvature on 4-dimensional Riemannian manifolds with positive conformal invariants. Specifically, we prove that any closed, compact Riemannian…

Differential Geometry · Mathematics 2023-05-16 Sanghoon Lee

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

Is a sequence of Riemannian manifolds with positive scalar curvature, satisfying some conditions to keep the sequence reasonable, compact? What topology should one use for the convergence and what is the regularity of the limit space? In…

Differential Geometry · Mathematics 2024-06-07 Brian Allen , Wenchuan Tian , Changliang Wang

We establish several nonuniqueness results for the problem of finding complete conformal metrics with constant (fourth-order) $Q$-curvature on compact and noncompact manifolds of dimension $\geq5$. Infinitely many branches of metrics with…

Differential Geometry · Mathematics 2021-05-14 Renato G. Bettiol , Paolo Piccione , Yannick Sire

In this work we consider periodic spherically symmetric metrics of constant positive scalar curvature on the n-dimensional cylinder called pseudo-cylindric metrics. These metrics belong to the conformal class $[g_0]$ of the Riemannian…

Differential Geometry · Mathematics 2007-05-23 A. Raouf Chouikha

We study the existence of conformal metrics on non-compact Riemannian manifolds with non-compact boundary, which are complete as metric spaces and have negative constant scalar curvature in the interior and negative constant mean curvature…

Differential Geometry · Mathematics 2022-09-02 Juan Alcon Apaza , Sergio Almaraz

We continue our study, initiated in our earlier paper, of Riemann surfaces with constant curvature and isolated conic singularities. Using the machinery developed in that earlier paper of extended configuration families of simple divisors,…

Differential Geometry · Mathematics 2021-06-04 Rafe Mazzeo , Xuwen Zhu

In this paper we prove that every Riemannian metric on a locally conformally flat manifold with umbilic boundary can be conformally deformed to a scalar flat metric having constant mean curvature. This result can be seen as a generalization…

Analysis of PDEs · Mathematics 2007-05-23 Mohameden Ould Ahmedou

We consider the case with boundary of the classical Kazdan-Warner problem in dimension greater or equal than three, i.e. the prescription of scalar and boundary mean curvatures via conformal deformations of the metric. We deal in particular…

Analysis of PDEs · Mathematics 2021-05-12 S. Cruz-Blázquez , A. Malchiodi , D. Ruiz

A necessary and sufficient condition for the existence and uniqueness of a conformal metric on 2-sphere of constant curvature 1 and with three conical singularities of prescribed order is given.

Differential Geometry · Mathematics 2007-05-23 Masaaki Umehara , Kotaro Yamada

This paper is devoted to the study of a problem arising from a geometric context, namely the conformal deformation of a Riemannian metric to a scalar flat one having constant mean curvature on the boundary. By means of blow-up analysis…

Analysis of PDEs · Mathematics 2007-05-23 Veronica Felli , Mohameden Ould Ahmedou

We discuss conformal deformation and warped products on some open manifolds. We discuss how these can be applied to construct Riemannian metrics with specific scalar curvature functions.

dg-ga · Mathematics 2008-02-03 Man Chun Leung

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

Extending Aubin's construction of metrics with constant negative scalar curvature, we prove that every $n$-dimensional closed manifold admits a Riemannian metric with constant negative scalar-Weyl curvature, that is $R+t|W|,…

Differential Geometry · Mathematics 2021-01-20 Giovanni Catino

Cone spherical metrics are conformal metrics with constant curvature one and finitely many conical singularities on compact Riemann surfaces. A cone spherical metric is called irreducible if each developing map of the metric does not have…

Algebraic Geometry · Mathematics 2022-10-11 Lingguang Li , Jijian Song , Bin Xu
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