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In this paper, the definition of generalized spacelike Mannheim curve in Minkowski space-time $E_1^4$ is given. The necessary and sufficient conditions for the generalized spacelike Mannheim curve are obtained. Also, some characterizations…

Differential Geometry · Mathematics 2014-03-27 Soley Ersoy , Murat Tosun , Hiroo Matsuda

In this article, we study rectifying curves in arbitrary dimensional Euclidean space. A curve is said to be a rectifying curve if, in all points of the curve, the orthogonal complement of its normal vector contains a fixed point. We…

Differential Geometry · Mathematics 2018-06-29 Stijn Cambie , Wendy Goemans , Iris Van den Bussche

In this paper, we establish equiform differential geometry of space and timelike curves in 4-dimensional Minkowski space. We obtain some conditions for these curves. Also, general helices with respect to their equiform curvatures are…

Differential Geometry · Mathematics 2015-01-13 H. S. Abdel-Aziz , M. Khalifa Saad , A. A. Abdel-Salam

We give a definition of generalized timelike Mannheim curve in Minkowski space-time $E_1^4$. The necessary and sufficient conditions for the generalized timelike Mannheim curve obtain. We show some characterizations of generalized Mannheim…

Differential Geometry · Mathematics 2016-08-14 M. Akyiǧit , S. Ersoy , i. öZgüR , M. Tosun

De Sitter space is a non-flat Lorentzian space form with positive constant curvature which plays an important role in the theory of relativity. In this paper, we define the notions of timelike rectifying curve and timelike conical surface…

Differential Geometry · Mathematics 2023-10-18 Mahmut Mak

In this paper, we give some characterizations for spacelike helices in Minkowski space-time. We find the differential equations characterizing the spacelike helices and also give the integral characterizations for these curves in Minkowski…

Differential Geometry · Mathematics 2010-06-04 Mehmet Önder , Hüseyin Kocyiğit , Mustafa Kazaz

The notion of rectifying curve in the Euclidean space is introduced by Chen as a curve whose position vector always lies in its rectifying plane spanned by the tangent and the binormal vector field t and n_2 of the curve. In this study, we…

Geometric Topology · Mathematics 2013-11-05 Tülay Soyfidan , Mehmet Ali Güngör

Isophote curve consists of a locus of surface points whose normal vectors make a constant angle with a fixed vector (the axis). In this paper, we define an isophote curve on a spacelike surface in Lorentz-Minkowski space and then find its…

Differential Geometry · Mathematics 2018-05-25 Fatih Dogan , Yusuf Yayli

In this article, we study spacelike and timelike rotational surfaces in a 3--dimensional de Sitter space $\mathbb{S}^3_1$ which are the orbit of a regular curve under the action of the orthogonal transformation of 4--dimensional Minkowski…

Differential Geometry · Mathematics 2020-07-21 Burcu Bektaş Demirci

In this paper, position vectors of a time-like curve with respect to standard frame of Minkowski space E$^3_1$ are studied in terms of Frenet equations. First, we prove that position vector of every time-like space curve in Minkowski space…

Differential Geometry · Mathematics 2009-06-23 Ahmad T. Ali , Melih Turgut

Salkowski \cite{salkow}, one century ago, introduced a family of curves with constant curvature but non-constant torsion (Salkowski curves) and a family of curves with constant torsion but non-constant curvature (anti-Salkowski curves) in…

Differential Geometry · Mathematics 2009-05-12 Ahmad T Ali

In this paper, we study the rectifying curves in multiplicative Euclidean space of dimension 3, i.e., those curves for which the position vector always lies in its rectifying plane. Since the definition of rectifying curve is affine and not…

Differential Geometry · Mathematics 2023-08-01 Muhittin Evren Aydin , Aykut Has , Beyhan Yilmaz

In this paper, we investigate and characterise an arbitrary admissible curve in terms of its curvature functions in the pseudo-Galilean space $G_{1}^{4}$% . We also give some special curves in four-dimensional pseudo-Galilean space and…

Differential Geometry · Mathematics 2025-09-30 Fatma Almaz , Handan Oztekin

We construct a positive constant curvature space by identifying some points along a Killing vector in a de Sitter Space. This space is the counterpart of the three-dimensional Schwarzschild-de Sitter solution in higher dimensions. This…

High Energy Physics - Theory · Physics 2009-11-07 Rong-Gen Cai

I present a way to visualize the concept of curved spacetime. The result is a curved surface with local coordinate systems (Minkowski Systems) living on it, giving the local directions of space and time. Relative to these systems, special…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Rickard Jonsson

A space curve is determined by conformal arc-length, conformal curvature, and conformal torsion, up to M\"obius transformations. We use the spaces of osculating circles and spheres to give a conformally defined moving frame of a curve in…

Differential Geometry · Mathematics 2016-03-21 R. Langevin , J. O'Hara , S. Sakata

In this paper, we give the generalization of the criterion for a 3-space curve to be closed given by [3] to an n-space curve in Minkowski space-time E_v^n. Furthermore, we apply this criterion for a curve lying on an oriented surface in the…

Differential Geometry · Mathematics 2011-05-17 Zehra Ari , Mehmet Önder

A curve is rectifying if it lies on a moving hyperplane orthogonal to its curvature vector. In this work, we extend the main result of [Chen 2017, Tamkang J. Math. 48, 209] to any space dimension: we prove that rectifying curves are…

Differential Geometry · Mathematics 2022-09-22 Luiz C. B. da Silva , Gilson S. Ferreira

In this paper, we have first given easily the characterization of special curves with the help of the Rotation minimizing frame (RMF). Also, rectifying-type curves are generalized n-dimensional space $R_{n}$.

Differential Geometry · Mathematics 2019-05-14 Ozgur Keskin , Yusuf Yaylı

In this paper, we introduce and analyze $g-$rectifying curves (spacelike and null curves) and $\ g-$normal curves in Lorentzian $n$-space, building upon the established notion of rectifying curves and normal curve, respectively. Our…

Differential Geometry · Mathematics 2026-04-01 Fatma Almaz , Hazel Diken
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