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Using Konderak's representation formula, we construct an entire zero-mean curvature graph of mixed-type in Lorentz-Minkowski 3-space over a space-like plane, which does not belong to the class of "Kobayashi surfaces". We also point out the…

Differential Geometry · Mathematics 2025-05-29 Takeki Komatsu , Masaaki Umehara

Calabi's Bernstein-type theorem asserts that a zero mean curvature entire graph in Lorentz-Minkowski space $\boldsymbol L^3$ which admits only space-like points is a space-like plane. Using the fluid mechanical duality between minimal…

Differential Geometry · Mathematics 2019-06-26 Shintaro Akamine , Masaaki Umehara , Kotaro Yamada

We survey Bernstein-type theorems for graphical surfaces in the Euclidean space and the Lorentz-Minkowski space. More specifically, we explain several proofs of the Bernstein theorem for minimal graphs in the Euclidean 3-space. Furthermore,…

Differential Geometry · Mathematics 2025-08-08 Yu Kawakami

Calabi and Cheng-Yau's Bernstein-type theorem asserts that an entire zero mean curvature graph in Lorentz-Minkowski $(n+1)$-space $\boldsymbol R^{n+1}_1$ which admits only space-like points is a hyperplane. Recently, the third and fourth…

Differential Geometry · Mathematics 2019-07-23 Shintaro Akamine , Atsufumi Honda , Masaaki Umehara , Kotaro Yamada

Riemann zero mean curvature examples in the Lorentz-Minkowski space are surfaces with zero mean curvature foliated by circles contained in parallel planes. In contrast to the Euclidean case, this family of surfaces presents new and rich…

Differential Geometry · Mathematics 2021-11-09 Seher Kaya , Rafael López

Space-like maximal surfaces and time-like minimal surfaces in Lorentz-Minkowski3-space are both characterized as zero mean curvature surfaces. We are interested in the case where the zero mean curvature surface changes type from space-like…

It is well-known that space-like maximal surfaces and time-like minimal surfaces in Lorentz-Minkowski 3-space R^3_1 have singularities in general. They are both characterized as zero mean curvature surfaces. We are interested in the case…

A zero mean curvature surface in the Lorentz-Minkowski 3-space is said to be of Riemann-type if it is foliated by circles and at most countably many straight lines in parallel planes. We classify all zero mean curvature surfaces of…

Differential Geometry · Mathematics 2017-08-08 Shintaro Akamine

We construct embedded triply periodic zero mean curvature surfaces of mixed type in the Lorentz-Minkowski 3-space with the same topology as the Schwarz D surface in the Euclidean 3-space.

Differential Geometry · Mathematics 2013-02-19 Shoichi Fujimori , Wayne Rossman , Masaaki Umehara , Kotaro Yamada , Seong-Deog Yang

In this paper, we prove Bernstein type theorems for entire convex graphical hypersurfaces with zero Gaussian curvature in both Euclidean and Minkowski context. A supplementary example illustrates that zero Gaussian convex spacelike…

Differential Geometry · Mathematics 2026-01-14 Slawomir Dinew , Mengru Guo , Heming Jiao

We construct triply periodic zero mean curvature surfaces of mixed type in the Lorentz-Minkowski 3-space, with the same topology as the triply periodic minimal surfaces in the Euclidean 3-space, called Schwarz rPD surfaces.

Differential Geometry · Mathematics 2017-03-21 Shoichi Fujimori

In this paper, we study the relation of the sign of the Gaussian and mean curvature of modular surfaces in Lorentz-Minkowski $3$-space to the zeroes of the associated complex analytic functions and its derivatives. Further, we completely…

Differential Geometry · Mathematics 2025-06-26 Siddharth Panigrahi , Subham Paul , Rahul Kumar Singh , Priyank Vasu

We provide a unified description of Heinz-type mean curvature estimates under an assumption on the gradient bound for space-like graphs and time-like graphs in the Lorentz-Minkowski space. As a corollary, we give a unified vanishing theorem…

Differential Geometry · Mathematics 2023-08-31 Atsufumi Honda , Yu Kawakami , Miyuki Koiso , Syunsuke Tori

Consider a surface $S$ immersed in the Lorentz-Minkowski 3-space $\boldsymbol R^3_1$. A complete light-like line in $\boldsymbol R^3_1$ is called an entire null line on the surface $S$ in $\boldsymbol R^3_1$ if it lies on $S$ and consists…

Differential Geometry · Mathematics 2019-07-02 Shintaro Akamine , Masaaki Umehara , Kotaro Yamada

For entire spacelike stationary 2-dimensional graphs in Minkowski spaces, we establish Bernstein type theorems under specific boundedness assumptions either on the W-function or on the total (Gaussian) curvature. These conclusions imply the…

Differential Geometry · Mathematics 2015-03-23 Xiang Ma , Peng Wang , Ling Yang

We show that a complete embedded maximal surface in the 3-dimensional Lorentz-Minkowski space $L^3$ with a finite number of singularities is, up to a Lorentzian isometry, an entire graph over any spacelike plane asymptotic to a vertical…

Differential Geometry · Mathematics 2007-05-23 Isabel Fernandez , Francisco J. Lopez , Rabah Souam

With several concrete examples of zero mean curvature surfaces in $\boldsymbol{R}^3_1$ containing a light-like line recently having been found, here we construct all real analytic germs of zero mean curvature surfaces by applying the…

Differential Geometry · Mathematics 2017-07-25 Masaaki Umehara , Kotaro Yamada

In this paper, we shall prove that space-like surfaces with bounded mean curvature functions in real analytic Lorentzian 3-manifolds can change their causality to time-like surfaces only if the mean curvature functions tend to zero.…

Differential Geometry · Mathematics 2015-08-12 Atsufumi Honda , Miyuki Koiso , Masatoshi Kokubu , Masaaki Umehara , Kotaro Yamada

If the Lorentzian norm on a maximal surface in the 3-dimensional Lorentz-Minkowski space $R_1^3$ is positive and proper, then the surface is relative parabolic. As a consequence, entire maximal graphs with a closed set of isolated…

Differential Geometry · Mathematics 2007-05-23 Isabel Fernandez , Francisco J. Lopez

In this note we prove that every two-dimensional entire Willmore graph in $R^3$ with square integrable mean curvature is a plane.

Differential Geometry · Mathematics 2012-04-19 Yong Luo , Jun Sun
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