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Let $M\subset\mathbb{R}^3$ be a properly embedded, connected, complete surface with boundary a convex planar curve $C$, satisfying an elliptic equation $H=f(H^2-K)$, where $H$ and $K$ are the mean and the Gauss curvature respectively -…

Differential Geometry · Mathematics 2025-10-07 Angelo Benedetti

Given $H\in [0,\infty),$ some sufficient conditions for existence of CMC $H$ graphs with boundary in two parallel planes of $\mathbb{H}^2\times\mathbb{R}$ are presented. Height estimates for outwards-oriented CMC surfaces…

Differential Geometry · Mathematics 2015-12-25 Rodrigo Soares , Patrícia Klaser , Miriam Telichevesky

This is an elementary introduction to a method for studying harmonic maps into symmetric spaces, and in particular for studying constant mean curvature (CMC) surfaces, that was developed by J. Dorfmeister, F. Pedit and H. Wu. There already…

Differential Geometry · Mathematics 2009-12-25 Shoichi Fujimori , Shimpei Kobayashi , Wayne Rossman

In this paper, we prove gap results for constant mean curvature (CMC) surfaces. Firstly, we find a natural inequality for CMC surfaces which imply convexity for distance function. We then show that if $\Sigma$ is a complete, properly…

Differential Geometry · Mathematics 2023-01-31 Ezequiel Barbosa , Marcos P. Cavalcante , Edno Pereira

We prove that any regular domain in Minkowski space is uniquely foliated by spacelike constant mean curvature (CMC) hypersurfaces. This completes the classification of entire spacelike CMC hypersurfaces in Minkowski space initiated by Choi…

Differential Geometry · Mathematics 2024-10-25 Francesco Bonsante , Andrea Seppi , Peter Smillie

We consider surfaces with parallel mean curvature vector (pmc surfaces) in $\mathbb{C}P^n\times\mathbb{R}$ and $\mathbb{C}H^n\times\mathbb{R}$, and, more generally, in cosymplectic space forms. We introduce a holomorphic quadratic…

Differential Geometry · Mathematics 2010-11-23 Dorel Fetcu , Harold Rosenberg

We give an infinite dimensional generalized Weierstrass representation for spacelike constant mean curvature (CMC) surfaces in Minkowski 3-space $\real^{2,1}$. The formulation is analogous to that given by Dorfmeister, Pedit and Wu for CMC…

Differential Geometry · Mathematics 2009-11-28 David Brander , Wayne Rossman , Nick Schmitt

We consider contracting flows in $(n+1)$-dimensional hyperbolic space and expanding flows in $(n+1)$-dimensional de Sitter space. When the flow hypersurfaces are strictly convex we relate the contracting hypersurfaces and the expanding…

Differential Geometry · Mathematics 2016-04-11 Hao Yu

We study the geometric properties of Darboux transforms of constant mean curvature (CMC) surfaces and use these transforms to obtain an algebro-geometric representation of constant mean curvature tori. We find that the space of all Darboux…

Differential Geometry · Mathematics 2011-04-11 Emma Carberry , Katrin Leschke , Franz Pedit

In this paper, we study generic conformally flat hypersurfaces in the Euclidean $4$-space $\mathbb{R}^4$ using the framework of M\"{o}bius geometry. First, we classify locally the generic conformally flat hypersurfaces with closed M\"obius…

Differential Geometry · Mathematics 2017-09-07 Xiu Ji , Tongzhu Li

Motivated by the work of Bryant on constant mean curvature (CMC) $1$-immersions of surfaces into the hyperbolic space H^3 and after the results of Tarantello (2023), we pursue a possible parametrization for the moduli space of (CMC)…

Differential Geometry · Mathematics 2025-09-30 Gabriella Tarantello , Stefano Trapani

In this paper, we establish the existence of prescribed mean curvature (PMC) hypersurfaces in conformal product manifolds with (possibly empty) $C^{1,\alpha}$ fixed graphical boundaries under a barrier condition. This result generalizes…

Differential Geometry · Mathematics 2026-03-31 Qiang Gao , Hengyu Zhou

Guo and Luo introduced generalized circle patterns on surfaces and proved their rigidity. In this paper, we prove the existence of Guo-Luo's generalized circle patterns with prescribed generalized intersection angles on surfaces with cusps,…

Geometric Topology · Mathematics 2025-04-15 Zhiwen Xiong , Xu Xu

In this paper, we establish some rigidity theorems for space-like hypersurfaces in Minkowski space by using a Weinberger-type approach with P-functions and integral identities. Firstly, for space-like hypersurfaces $M$ represented as graphs…

Differential Geometry · Mathematics 2025-12-30 Jianhua Chen , Haiyun Deng , Haiqin Xie , Jiabin Yin

This paper investigates circle patterns with obtuse exterior intersection angles on surfaces of finite topological type. We characterise the images of the curvature maps and establish several equivalent conditions regarding long time…

Geometric Topology · Mathematics 2019-09-10 Huabin Ge , Bobo Hua , Ze Zhou

In this paper, we consider the evolution of spacelike graphic hypersurfaces defined over a convex piece of hyperbolic plane $\mathscr{H}^{n}(1)$, of center at origin and radius $1$, in the $(n+1)$-dimensional Lorentz-Minkowski space…

Differential Geometry · Mathematics 2021-06-14 Ya Gao , Jing Mao

We classify weakly complete constant Gaussian curvature $-1<K<0$ surfaces in the hyperbolic three-space in terms of holomorphic quadratic differentials. For this purpose, we first establish a loop group method for constant Gaussian…

Differential Geometry · Mathematics 2025-11-05 Junichi Inoguchi , Shimpei Kobayashi

We explore a natural generalization of systolic geometry to Finsler metrics and optical hypersurfaces with special emphasis on its relation to the Mahler conjecture and the geometry of numbers. In particular, we show that if an optical…

Differential Geometry · Mathematics 2020-10-16 Juan-Carlos Alvarez Paiva , Florent Balacheff , Kroum Tzanev

We define a Gauss map $\gamma:M\rightarrow\mathbb{S}^{6}$ of an oriented hypersurface $M$ of the unit sphere $\mathbb{S}^{7}$ and prove that $\gamma$ is harmonic if and only if $M$ has CMC. Results on the geometry and topology of CMC…

Differential Geometry · Mathematics 2019-04-23 Fidelis Bittencourt , Pedro Fusieger , Eduardo Longa , Jaime Ripoll

In this paper, the Weierstrass technique for harmonic maps S^2 -> CP^(N-1) is employed in order to obtain surfaces immersed in multidimensional Euclidean spaces. It is shown that if the CP^(N-1) model equations are defined on the sphere S^2…

Differential Geometry · Mathematics 2015-05-13 A. M. Grundland , I. Yurdusen