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In this paper we give a geometrically invariant spinorial representation of surfaces in four-dimensional space forms. In the Euclidean space, we obtain a representation formula which generalizes the Weierstrass representation formula of…

Differential Geometry · Mathematics 2017-02-22 Pierre Bayard , Marie-Amelie Lawn , Julien Roth

In the literature, two approaches to the Weierstrass representation formula using spinors are known, one explicit, going back to Kusner & Schmitt, and generalized by Konopelchenko and Taimanov, and one abstract due to Friedrich, Bayard,…

Differential Geometry · Mathematics 2017-02-22 Pascal Romon , Julien Roth

In this paper we will construct a Weierstrass type representation for minimal surfaces in 4-dimensional Lorentzian Damek-Ricci spaces and we give some examples of such surfaces.

Differential Geometry · Mathematics 2015-01-15 Adriana A. Cintra , Francesco Mercuri , Irene I. Onnis

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

Generalized Weierstrass representations for generic surfaces conformally immersed into four-dimensional Euclidean and pseudo-Euclidean spaces of different signatures are presented. Integrable deformations of surfaces in these spaces…

Differential Geometry · Mathematics 2007-05-23 B. G. Konopelchenko

This article surveys the Weierstrass representation of surfaces in the three- and four-dimensional spaces, with an emphasis on its relation to the Willmore functional. We also describe an application of this representation to constructing a…

Differential Geometry · Mathematics 2024-01-08 Iskander A. Taimanov

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 will give an Enneper-type representation for spacelike and timelike minimal surfaces in the Lorentz-Minkowski space $L^{3}$, using the complex and the paracomplex analysis (respectively). Then, we exhibit various examples…

Differential Geometry · Mathematics 2017-03-21 Irene I. Onnis , Adriana A. Cintra

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

In this paper we provide a Weierstrass representation formula for translating solitons and singular minimal surfaces in ${\mathbb{R}^3}$. As application we study when the euclidean Gauss map has a harmonic argument and solve a general…

Differential Geometry · Mathematics 2022-01-05 Antonio Martínez , A. L. Martínez-Triviño

We give a conformal representation in terms of meromorphic data for a certain class of spacelike surfaces in the Lorentz-Minkowski 4-space L^4 whose mean curvature vector is either lightlike or zero at each point. This representation…

Differential Geometry · Mathematics 2007-05-23 Juan A. Aledo , Jose A. Galvez , Pablo Mira

We give an immersion formula, the Sym-Bobenko formula, for minimal surfaces in the 3-dimensional Heisenberg space. Such a formula can be used to give a generalized Weierstrass type representation and construct explicit examples of minimal…

Differential Geometry · Mathematics 2014-06-26 Sébastien Cartier

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

Weierstrass representation is a classical parameterization of minimal surfaces. However, two functions should be specified to construct the parametric form in Weierestrass representation. In this paper, we propose an explicit parametric…

Graphics · Computer Science 2010-08-04 Gang Xu , Guozhao Wang

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

The paper presents a generalized Weierstrass representation for pseudospherical surfaces in terms of 3x3 matrices, using moving frames and loop group decompositions. The construction of all such surfaces, starting from a given…

Differential Geometry · Mathematics 2007-05-23 Magdalena Toda

Quasiclassical generalized Weierstrass representation for highly corrugated surfaces with slow modulation in the three-dimensional space is proposed. Integrable deformations of such surfaces are described by the dispersionless…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 B. G. Konopelchenko

Quasiclassical generalized Weierstrass representation (GWR) for highly corrugated surfaces with slow modulation in the four-dimensional Euclidean space is proposed. Integrable deformations of such surfaces are described by the…

Exactly Solvable and Integrable Systems · Physics 2009-11-13 B. G. Konopelchenko

In this paper we obtain the general solution to the minimal surface equation, namely its local Weierstrass-Enneper representation, by using a system of hodographic coordinates. This is done by using the method of solving the Born-Infeld…

Differential Geometry · Mathematics 2007-05-23 Rukmini Dey

We prove that any minimal (maximal) strongly regular surface in the three-dimensional Minkowski space locally admits canonical principal parameters. Using this result, we find a canonical representation of minimal strongly regular time-like…

Differential Geometry · Mathematics 2008-02-20 Georgi Ganchev
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