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Related papers: On slant helices in Minkowski space $E_1^3$

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In this paper, position vector of a spacelike general helix with respect to standard frame in Minkowski space E$^3_1$ are studied in terms of Frenet equations. First, a vector differential equation of third order is constructed to determine…

Differential Geometry · Mathematics 2009-08-04 Ahmad T Ali

In this paper, we give smoe characterizations of relatively normal-slant helices and isophotic curves on a smooth surface immersed in Euclidean 3-space with respect to their position vevtor. We also introduce the methods for generating an…

General Mathematics · Mathematics 2021-04-28 Akhilesh Yadav , Buddhadev Pal

In this paper we consider the equiform motion of a helix in Euclidean space $\mathbf{E}^7$. We study and analyze the corresponding kinematic three dimensional surface under the hypothesis that its scalar curvature $\mathbf{K}$ is constant.…

Differential Geometry · Mathematics 2009-07-24 Ahmad T. Ali , Fathi M. Hamdoon , Rafael Lopez

Defining Lorentzian Sabban frame of the unit speed time-like curves on de Sitter 2-space $\mathbb{S}^{2}_{1}$ and introducing space-like height function on the unit speed time-like curves on $\mathbb{S}^{2}_{1}$, the invariants of the unit…

Differential Geometry · Mathematics 2026-02-24 Murat Babaarslan , Yusuf Yayli

We generalize the Fenchel theorem for strong spacelike closed curves of index $1$ in the 3-dimensional Minkowski space, showing that the total curvature must be less than or equal to $2\pi$. Here strong spacelike means that the tangent…

Differential Geometry · Mathematics 2016-03-28 Nan Ye , Xiang Ma

In this paper, we introduce the notion of an anti-torqued slant helix in a Riemannian manifold, defined as a curve whose principal vector field makes a constant angle with an anti-torqued vector field globally defined on the ambient…

Differential Geometry · Mathematics 2025-04-21 Muhittin Evren Aydin , Adela Mihai , Cihan Özgür

In this paper, we consider a regular curve on an oriented surface in Euclidean 3-space with the Darboux frame $\{\mathsf{T},\mathsf{V},\mathsf{U}\}$ along the curve, where $\mathsf{T}$ is the unit tangent vector field of the curve,…

Differential Geometry · Mathematics 2016-05-06 Nesibe Macit , Mustafa Düldül

A constant angle surface in Minkowski space is a spacelike surface whose unit normal vector field makes a constant hyperbolic angle with a fixed timelike vector. In this work we study and classify these surfaces. In particular, we show that…

Differential Geometry · Mathematics 2011-06-21 Rafael Lopez , Marian Ioan Munteanu

In this study, we have identified $V_3$ slant helix ($2^{nd}$ type slant helix, $V_5$ slant helix ($3^{rd}$ type slant helix) and attained some characteristic properties in the Euclidean 5-Space $E^5$. In addition to this, we have proven…

Differential Geometry · Mathematics 2014-02-14 Melek Masal , Ayse Zeynep Azak

In this paper, we study helices and the Bertrand curves. We obtain some of the classification results of these curves with respect to the modified orthogonal frame in Euclidean 3-spaces.

Differential Geometry · Mathematics 2018-12-20 Mohamd Saleem Lone , Hasan Es , Murat Kemal Karacan , Bahaddin Bukcu

In this study, we give definitions and characterizations of eikonal slant helix curves, eikonal Darboux helices and non-normed eikonal Darboux helices in three dimensional Riemannian manifold 3 M . We show that every eikonal slant helix is…

Differential Geometry · Mathematics 2016-06-10 Mehmet Önder , Evren Ziplar , Onur Kaya

In this paper, we are investigating that under which conditions of the geodesic curvature of unit speed curve gamma that lies on the unit sphere, the curve c which is obtained by using gamma, is a spherical helix or slant helix.

Differential Geometry · Mathematics 2016-01-22 Bülent Altunkaya , Levent Kula

In this paper, we investigate a curve whose spherical image the tangent indicatrix and binormal indicatrix is slant helix and called it as a slant helix. We obtain that the spherical images are spherical slant helices defined by [3]. This…

Differential Geometry · Mathematics 2015-12-24 Beyhan Uzunoglu , Ismail Gok , Yusuf Yayli

The {\em focal curve} of an immersed smooth curve $\gamma:s\mapsto \gamma(s)$, in Euclidean space $\R^{m+1}$, consists of the centres of its osculating hyperspheres. The focal curve may be parametrised in terms of the Frenet frame of…

Differential Geometry · Mathematics 2019-11-05 Ricardo Uribe-Vargas

In this study, we define some new types of ruled surfaces called slant ruled surfaces. We give some characterizations for a regular ruled surface to be a slant ruled surface in Euclidean 3- space. We show that if the slant ruled surface is…

Differential Geometry · Mathematics 2018-06-05 Mehmet Önder

This work investigates slant timelike-ruled surfaces and their evolute offsets in Minkowski 3-space $\mathbb{E}_{1}^{3}$. Using the symmetry of evolute curves, we derive a parametric formulation for skew timelike-ruled surfaces and…

Differential Geometry · Mathematics 2025-03-28 Areej A. Almoneef , Rashad A. Abdel-baky

In this work, first, we express some characterizations of helices and ccr curves in the Euclidean 4-space. Thereafter, relations among Frenet-Serret invariants of Bertrand curve of a helix are presented. Moreover, in the same space, some…

Differential Geometry · Mathematics 2009-07-31 Melih Turgut , Ahmad T Ali

In this paper, we define a rectifying spacelike curve in the Minkowski space-time $E_1^4$ as a curve whose position vector always lies in orthogonal complement $N^{\bot}$ of its principal normal vector field $N$. In particular, we study the…

Differential Geometry · Mathematics 2009-04-07 Ahmad T. Ali , Mehmet Onder

We give necessary and sufficient conditions on the curvature and the torsion of a regular curve of the space forms $\h^3$ and $\s^3$ to be contained in a totally umbilical surface. In case that the curve has constant torsion, we obtain the…

Differential Geometry · Mathematics 2024-12-02 Rafael López

In this paper we generalize the notion of helix in the three-dimensional Euclidean space, which we define as that curve $C$ for which there is an $F$-constant vector field $W$ along $C$ that forms a constant angle with a fixed direction $V$…

Differential Geometry · Mathematics 2026-01-27 Pascual Lucas , José Antonio Ortega-Yagües