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We obtain improved local well-posedness results for the Lorentzian timelike minimal surface equation. In dimension $d=3$, for a surface of arbitrary co-dimension, we show a gain of $1/3$ derivative regularity compared to a generic equation…

Analysis of PDEs · Mathematics 2025-04-03 Georgios Moschidis , Igor Rodnianski

We develop a global theory for complete hypersurfaces in $\mathbb{R}^{n+1}$ whose mean curvature is given as a prescribed function of its Gauss map. This theory extends the usual one of constant mean curvature hypersurfaces in…

Differential Geometry · Mathematics 2019-02-26 Antonio Bueno , Jose A. Galvez , Pablo Mira

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

The curvature regularities are well-known for providing strong priors in the continuity of edges, which have been applied to a wide range of applications in image processing and computer vision. However, these models are usually non-convex,…

Numerical Analysis · Mathematics 2019-12-03 Qiuxiang Zhong , Ke Yin , Yuping Duan

We study and solve the Dirichlet problem for graphs of prescribed mean curvature in $\mathbb R^{n+1}$ over general domains $\Omega$ without requiring a mean convexity assumption. By using pieces of nodoids as barriers we first give…

Differential Geometry · Mathematics 2007-12-07 Matthias Bergner

In this paper, we study a natural discretization of the smooth Gaussian curvature on surfaces, which is defined as the quotient of the angle defect and the area of a geodesic disk at a vertex of a polyhedral surface. It is proved that each…

Differential Geometry · Mathematics 2023-09-14 Xu Xu , Chao Zheng

We prove an existence theorem for convex hypersurfaces of prescribed Gauss curvature in the complement of a compact set in Euclidean space which are close to a cone.

Differential Geometry · Mathematics 2014-01-28 Felix Finster , Oliver C. Schnuerer

We employ three different methods to prove the following result on prescribed scalar curvature plus mean curvature problem: Let $(M^n,g_0)$ be a $n$-dimensional smooth compact manifold with boundary, where $n \geq 3$, assume the conformal…

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

We lay the groundwork for a UV-complete formulation of the Euclidean Jackiw-Teitelboim two-dimensional models of quantum gravity when the boundary lengths are finite, emphasizing the discretized approach. The picture that emerges is…

High Energy Physics - Theory · Physics 2024-06-12 Frank Ferrari

We consider the problem of finding complete conformal metrics with prescribed curvature functions of the Einstein tensor and of more general modified Schouten tensors. To achieve this, we reveal an algebraic structure of a wide class of…

Differential Geometry · Mathematics 2021-05-04 Rirong Yuan

We describe an efficient algorithm to compute a conformally equivalent metric for a discrete surface, possibly with boundary, exhibiting prescribed Gaussian curvature at all interior vertices and prescribed geodesic curvature along the…

Computational Geometry · Computer Science 2021-04-13 Marcel Campen , Ryan Capouellez , Hanxiao Shen , Leyi Zhu , Daniele Panozzo , Denis Zorin

We study the supremum of the total mean curvature on the boundary of compact, mean-convex 3-manifolds with nonnegative scalar curvature, and a prescribed boundary metric. We establish an additivity property for this supremum and exhibit…

Differential Geometry · Mathematics 2016-10-18 Christos Mantoulidis , Pengzi Miao

In this paper, we investigate the problem of prescribing Chern scalar curvatures on compact Hermitian manifolds with negative Gauduchon degree. By studying the convergence of the associated geometric flow, we obtain some existence results…

Differential Geometry · Mathematics 2023-04-19 Weike Yu

Let $M$ be a quasi-Fuchsian three-manifold that contains a closed incompressible surface with principal curvatures within the range of the unit interval, for a prescribed function $H$ (with mild conditions) on $M$, we construct a closed…

Differential Geometry · Mathematics 2010-03-09 Zheng Huang , Biao Wang

Given a family of (almost) disjoint strictly convex subsets of a complete negatively curved Riemannian manifold M, such as balls, horoballs, tubular neighborhoods of totally geodesic submanifolds, etc, the aim of this paper is to construct…

Differential Geometry · Mathematics 2014-11-11 Jouni Parkkonen , Frédéric Paulin

We prove the existence of solutions to the asymptotic Plateau problem for hypersurfaces of prescribed mean curvature in Cartan-Hadamard manifolds $N$. More precisely, given a suitable subset $L$ of the asymptotic boundary of $N$ and a…

Differential Geometry · Mathematics 2023-04-03 Jean-Baptiste Casteras , Ilkka Holopainen , Jaime B. Ripoll

We consider the problem of prescribing conformally the scalar curvature on compact manifolds of positive Yamabe class in dimension $n \geq 5$. We prove new existence results using Morse theory and some analysis on blowing-up solutions,…

Analysis of PDEs · Mathematics 2021-05-21 Andrea Malchiodi , Martin Mayer

We solve the classical conformal welding problem for a composition of two random homeomorphisms generated by independent Gaussian multiplicative chaos measures with small parameter values. In other words, given two such measures on the…

Probability · Mathematics 2026-01-27 Antti Kupiainen , Michael McAuley , Eero Saksman

The $(2k)$-th Gauss-Bonnet curvature is a generalization to higher dimensions of the $(2k)$-dimensional Gauss-Bonnet integrand, it coincides with the usual scalar curvature for $k=1$. The Gauss-Bonnet curvatures are used in theoretical…

Differential Geometry · Mathematics 2008-12-19 Mohammed Larbi Labbi

We obtain a conceptually new differential geometric proof of P.F. Klembeck's result that the holomorphic sectional curvature of a strictly pseudoconvex domain approaches (in the boundary limit) the constant sectional curvature of the…

Complex Variables · Mathematics 2007-05-23 Elisabetta Barletta