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In this paper we define and analyze singularities of discrete linear Weingarten surfaces with Weierstrass-type representations in $3$-dimensional Riemannian and Lorentzian spaceforms. In particular, we discuss singularities of discrete…

Differential Geometry · Mathematics 2016-11-02 Wayne Rossman , Masashi Yasumoto

In this paper, following Sullivan, Kusner, and Schmitt, we study conformal immersions of Riemann surfaces into the three-dimensional Euclidean space. Regarding such immersions as special bundle maps from the tangent bundle of the surface to…

Differential Geometry · Mathematics 2022-10-28 Ivan Solonenko

A representation of generalized Weierstrass formulae for an immersion of generic surfaces into a 4-dimensional complex space in terms of spinors treated as minimal left ideals of Clifford algebras is proposed. The relation between…

Differential Geometry · Mathematics 2007-05-23 Vadim V. Varlamov

The minimal Lorentzian surfaces in $\mathbb{R}^4_2$ whose first normal space is two-dimensional and whose Gauss curvature $K$ and normal curvature $\varkappa$ satisfy $K^2-\varkappa^2 >0$ are called minimal Lorentzian surfaces of general…

Differential Geometry · Mathematics 2021-08-02 Ognian Kassabov , Velichka Milousheva

Motivated by Ilmanen's correspondence, we present an explicit solution to the prescribed Hoffman-Osserman Gauss map problem for non-minimal translators to the mean curvature flow in Euclidean 4-space. We propose a conjecture on the…

Differential Geometry · Mathematics 2012-05-22 Hojoo Lee

Generalizations of the Weierstrass formulae to generic surface immersed into $R^4$, $S^4$ and into multidimensional Riemann spaces are proposed. Integrable deformations of surfaces in these spaces via the modified Veselov-Novikov equation…

Differential Geometry · Mathematics 2009-10-31 B. G. Konopelchenko , G. Landolfi

An extension of the classic Enneper-Weierstrass representation for conformally parametrised surfaces in multi-dimensional spaces is presented. This is based on low dimensional CP^1 and CP^2 sigma models which allow the study of the constant…

Dynamical Systems · Mathematics 2015-06-26 A. M. Grundland , W. J. Zakrzewski

In this paper we give Weierstrass-type representation formulas for the null curves and for the minimal Lorentz surfaces in the Minkowski 3-space $\mathbb R^3_1$ using real-valued functions. Applying the Weierstrass-type representations for…

Differential Geometry · Mathematics 2024-02-29 Krasimir Kanchev , Ognian Kassabov , Velichka Milousheva

We derive the Weierstrass (or spinor) representation for surfaces in three-dimensional Lie groups Nil, \tilde{SL}_2, and Sol with Thurston's geometries and establish the generating equations for minimal surfaces in these groups. By using…

Differential Geometry · Mathematics 2007-05-23 Dmitry A. Berdinsky , Iskander A. Taimanov

We give a detailed description of the geometry of isotropic space, in parallel to those of Euclidean space within the realm of Laguerre geometry. After developing basic surface theory in isotropic space, we define spin transformations,…

Differential Geometry · Mathematics 2025-02-24 Joseph Cho , Dami Lee , Wonjoo Lee , Seong-Deog Yang

Utilizing the Weierstrass representation for embedded doubly periodic minimal surfaces with parallel ends, we construct entire singly periodic graphs of spacelike maximal surfaces with isolated cone-like singularities in the…

Differential Geometry · Mathematics 2026-04-17 Peter Connor , Shoichi Fujimori

Using certain solutions of the curve shortening flow, including self-shrinking and self-expanding curves or spirals, we construct and characterize many new examples of translating solitons for mean curvature flow in complex Euclidean plane.…

Differential Geometry · Mathematics 2012-12-04 Ildefonso Castro , Ana M. Lerma

We describe a general correspondence between weighted minimal surfaces in $\mathbb{R}^3$ and weighted maximal surfaces with some admissible singularities in $\mathbb{L}^3$, for a class of functions $\varphi$ which provides the corresponding…

Differential Geometry · Mathematics 2024-05-22 Antonio Martínez , A. L. Martínez-Triviño , J. P. dos Santos

We give a generalized Weierstrass formula for a Lorentz surface conformally immersed in the four-dimensional space $\mathbb{R}^{2,2}$ using spinors and Lorentz numbers. We also study the immersions of a Lorentzian surface in {\bf the}…

Differential Geometry · Mathematics 2016-04-12 Victor Patty

In this paper, we study and classify singular minimal translation surfaces in a Euclidean space of dimension 3 endowed with a certain semi-symmetric (non-)metric connection.

Differential Geometry · Mathematics 2020-11-02 Ayla Erdur , Muhittin Evren Aydin , Mahmut Ergut

In this paper, we study evolved surfaces over convex planar domains which are evolving by the minimal surface flow $$u_{t}= div\left(\frac{Du}{\sqrt{1+|Du|^2}}\right)-H(x,Du).$$ Here, we specify the angle of contact of the evolved surface…

Differential Geometry · Mathematics 2023-04-14 Li Ma , Yuxin Pan

We give a relatively simple proof that a translation surface in Euclidean space that satisfies a relation of type $aH+bK=c$, for some real numbers $a,b,c$, where $H$ and $K$ are the mean curvature and the Gauss curvature of the surface,…

Differential Geometry · Mathematics 2014-10-10 Antonio Bueno , Rafael López

In this paper we introduce the fourth fundamental form for the hypersurfaces in $H^{n+1}$ and the space-like hypersurfaces in $S_{1}^{n+1}$ and discuss the conformality of the normal Gauss maps of the hypersurfaces in $H^{n+1}$ and…

Differential Geometry · Mathematics 2007-05-23 Shuguo Shi

In this paper we will classify those translation surfaces in E3 involving polynomials which are Weingarten surfaces. We analyze Weingarten translation surfaces satisfying 2aH + bK = 0. We study also other types of translation surfaces,…

Differential Geometry · Mathematics 2009-07-01 Marian Ioan Munteanu , Ana Irina Nistor

It is known that any maximal space-like surface without isotropic points in the four-dimensional pseudo-Euclidean space with neutral metric admits locally geometric parameters which are special case of isothermal parameters. With respect to…

Differential Geometry · Mathematics 2019-06-25 Georgi Ganchev , Krasimir Kanchev