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In this paper, we study rotational surfaces of elliptic, hyperbolic and parabolic type with pointwise 1-type Gauss map which have spacelike profile curve in four dimensional pseudo Euclidean space E4-2 and obtain some characterizations for…

Differential Geometry · Mathematics 2017-07-14 Ferdag Kahraman Aksoyak , Yusuf Yayli

In this work, we study a class of rotational surfaces in the pseudo-Euclidean space $\mathbb{E}_2^4$ whose profile curves lie in two-dimensional planes. We solve the differential equation that characterizes the rotational surfaces with zero…

Differential Geometry · Mathematics 2016-07-27 Burcu Bektaş , Elif Özkara Canfes , Uğur Dursun

In this paper, we study general rotational surfaces in the 4- dimensional pseudo-Euclidean space E4-2 and obtain a characterization of flat general rotation surfaces with pointwise 1-type Gauss map in E4-2 and give an example of such…

Differential Geometry · Mathematics 2013-02-14 Ferdağ Kahraman Aksoyak , Yusuf Yaylı

In this paper we study general rotational surfaces in the 4- dimensional Euclidean space E4 and give a characterization of flat general rotation surface with pointwise 1-type Gauss map. Also, we show that a non-planar flat general rotation…

Differential Geometry · Mathematics 2013-02-13 Ferdağ Kahraman Aksoyak , Yusuf Yaylı

We define general rotational surfaces of elliptic and hyperbolic type in the pseudo-Euclidean 4-space with neutral metric which are analogous to the general rotational surfaces of C. Moore in the Euclidean 4-space. We study Lorentz general…

Differential Geometry · Mathematics 2018-10-02 Yana Aleksieva , Velichka Milousheva , Nurettin Cenk Turgay

In the present study we consider the generalized rotational surfaces in Euclidean spaces. Firstly, we consider generalized spherical curves in Euclidean $(n+1)-$space $\mathbb{E}^{n+1}$. Further, we introduce some kind of generalized…

Differential Geometry · Mathematics 2016-05-03 Bengu Bayram , Kadri Arslan , Betul Bulca

We give the classification of constant mean curvature rotational surfaces of elliptic, hyperbolic, and parabolic type in the four-dimensional pseudo-Euclidean space with neutral metric.

Differential Geometry · Mathematics 2016-03-03 Yana Aleksieva , Velichka Milousheva

In this study, we define a brief description of the hyperbolic and elliptic rotational surfaces using a curve and matrices in 4-dimensional semi Euclidean space. That is, we provide different types of rotational matrices, which are the…

Differential Geometry · Mathematics 2023-06-13 Fatma Almaz , Mihriban Alyamaç Külahcı

In this study, we give weighted mean and weighted Gaussian curvatures of two types of timelike general rotational surfaces with non-null plane meridian curves in four-dimensional Minkowski space E^4_1 with density…

General Mathematics · Mathematics 2023-05-30 Ahmet Kazan , Mustafa Altın , Dae Won Yoon

General rotational surfaces as a source of examples of surfaces in the four-dimensional Euclidean space have been introduced by C. Moore. In this paper we consider the analogue of these surfaces in the Minkowski 4-space. On the base of our…

Differential Geometry · Mathematics 2014-10-27 Georgi Ganchev , Velichka Milousheva

We apply the invariant theory of surfaces in the four-dimensional Euclidean space to the class of general rotational surfaces with meridians lying in two-dimensional planes. We find all minimal super-conformal surfaces of this class.

Differential Geometry · Mathematics 2010-11-22 Velichka Milousheva

In the present article we study a special class of surfaces in the four-dimensional Euclidean space, which are one-parameter systems of meridians of the standard rotational hypersurface. They are called meridian surfaces. We show that a…

Differential Geometry · Mathematics 2014-10-30 Kadri Arslan , Betul Bulca , Velichka Milousheva

In the present paper we study the problem of constructing a family of surfaces (surface pencils) from a given curve in 4-dimensional Euclidean space $\mathbb{E}^{4}$. We have shown that generalized rotation surfaces in $\mathbb{E}^{4}$ are…

Differential Geometry · Mathematics 2015-05-18 Betül Bulca , Kadri Arslan

In the four-dimensional pseudo-Euclidean space with neutral metric there are three types of rotational surfaces with two-dimensional axis - rotational surfaces of elliptic, hyperbolic or parabolic type. A surface whose mean curvature vector…

Differential Geometry · Mathematics 2014-10-27 Georgi Ganchev , Velichka Milousheva

We study rotational surfaces in Euclidean 3-space whose Gauss curvature is given as a prescribed function of its Gauss map. By means of a phase plane analysis and under mild assumptions on the prescribed function, we generalize the…

Differential Geometry · Mathematics 2022-01-19 Antonio Bueno , Irene Ortiz

In the present paper, we consider timelike general rotational surfaces in the Minkowski 4-space which are analogous to the general rotational surfaces in the Euclidean 4-space introduced by C. Moore. We study two types of such surfaces…

Differential Geometry · Mathematics 2023-06-06 Victoria Bencheva , Velichka Milousheva

We study rotational surfaces with constant Minkowski Gaussian curvature and rotational surfaces with constant Minkowski mean curvature in a $3$-dimensional normed space with rotationally symmetric norm. We have a generalization of the…

Differential Geometry · Mathematics 2021-12-03 Makoto Sakaki

We study hypersurfaces in the pseudo-Euclidean space $\mathbb{E}^{n+1}_s$, which write as a warped product of a $1$-dimensional base with an $(n-1)$-manifold of constant sectional curvature. We show that either they have constant sectional…

Differential Geometry · Mathematics 2022-08-17 Marilena Moruz

In this work we firstly classify space-like surfaces in Minkowski space $\mathbb E^4_1$, de-Sitter space $\mathbb S^3_1$ and hyperbolic space $\mathbb H^3$ with harmonic Gauss map. Then we give a characterization and classification of…

Differential Geometry · Mathematics 2013-05-24 Uğur Dursun , Nurettin Cenk Turgay

In this paper, we study spacelike rotational surfaces which are called boost invariant surfaces in Minkowski 4-space E41. We give necessary and sufficient condition for flat spacelike rotational surface to have pointwise 1-type Gauss map.…

Differential Geometry · Mathematics 2013-06-04 Ferdag Kahraman Aksoyak , Yusuf Yayli
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