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In this paper, we give the defination of harmonic curvature function some special curves such as helix, slant curves, Mannheim curves and Bertrand curves. Then, we recall the characterizations of helices [8], slant curves (see [19]) and…

Differential Geometry · Mathematics 2016-08-14 O. Zeki Okuyucu , İsmail Gök , Yusuf Yaylı , Nejat Ekmekci

Mannheim curves are defined for immersed curves in 3-dimensional sphere S^3 . The definition is given by considering the geodesics of S^3. First, two special geodesics, called principal normal geodesic and binormal geodesic, of S^3 are…

Differential Geometry · Mathematics 2015-09-18 Tanju Kahraman , Mehmet Onder

In this paper, we give the characterizations of Mannheim Partner Curves in Minkowski 3-space . Firstly, we classify these curves in . Next, we give some relationships characterizing these curves and we show that Mannheim theorem is not…

Differential Geometry · Mathematics 2011-08-24 Tanju Kahraman , Mehmet Önder , Mustafa Kazaz , H. Hüseyin Uğurlu

In this paper we consider the idea of Mannheim partner curves for curves lying on surfaces and by considering the Darboux frames of them we define these curves as Mannheim partner D-curves and give the characterizations for these curves. We…

Differential Geometry · Mathematics 2010-05-07 Mustafa Kazaz , H. Hüseyin Uğurlu , Mehmet Önder , Tanju Kahraman

In this study, firstly, Mannheim curves with $\kappa_1 (s) \ne 0$, $\kappa_2 (s) \ne 0$ are considered and the conditions are obtained for Mannheim curve to be slant helix. Moreover, the necessary and sufficient conditions are investigated…

Differential Geometry · Mathematics 2014-03-27 Soley Ersoy , Melek Masal , Murat Tosun

The aim of this work is to study the Mannheim curves in 3-dimensional Galilean and Pseudo - Galilean space. We obtain the characterizations between the curvatures and torsions of the Mannheim partner curves.

Differential Geometry · Mathematics 2011-11-03 Alper Osman Öğrenmiş , Handan Öztekin , Mahmut Ergüt

In this study, we introduce the natural mate and conjugate mate of a Frenet curve in a three dimensional Lie group $ \mathbb{G} $ with bi-invariant metric. Also, we give some relationships between a Frenet curve and its natural mate or its…

Differential Geometry · Mathematics 2020-08-14 Mahmut Mak

In this paper, we investigate Mannheim pairs, Frenet-Mannheim curves and Weakened Mannheim curves with respect to the modified orthogonal frame in Euclidean 3-space(E 3 ). We obtain some characterizations of these curves.

Differential Geometry · Mathematics 2018-10-01 Mohamd Saleem Lone , Hasan Es , Murat Kemal Karacan , Bahaddin Bukcu

In this paper, we give the definition, different types and characterizations of Mannheim partner D-curves in Minkowski 3-space. We find the relations between the geodesic curvatures, the normal curvatures and the geodesic torsions of these…

Differential Geometry · Mathematics 2010-05-07 Mustafa Kazaz , H. Hüseyin Uğurlu , Mehmet Önder , Tanju Kahraman

In this paper, first and second type admissible Mannheim partner curves are defined in pseudo-Galilean space $G_3^1$. Moreover, it is proved that the distance between the reciprocal points of both of first and second type admissible…

Differential Geometry · Mathematics 2010-02-03 M. Akyigit , A. Z. Azak , M. Tosun

Mannheim partner curves are studied by Liu and Wang [1,2]. Orbay and others extended the theory of the Mannheim curves to the ruled surface in Euclidean 3-space[3]. We obtain the relationships between the curvatures and the torsions of the…

Differential Geometry · Mathematics 2016-06-03 M. A. Gungor , M. Tosun

The first aim of this paper is to define the dual timelike Mannheim partner curves in Dual Lorentzian Space D3 1, the second aim of this paper is to obtain the relationships between the curvatures and the torsions of the dual timelike…

Differential Geometry · Mathematics 2011-11-15 Ozcan Bektas , Suleyman Senyurt

The aim of this article is to characterize pairs of curves within multiplicative (non-Newtonian) spaces. Specifically, we investigate how famous curve pairs such as Bertrand partner curves, Mannheim partner curves, which are prominent in…

General Mathematics · Mathematics 2024-03-19 Aykut Has , Beyhan Yılmaz

The aim of this paper is to study the Mannheim partner curves in three dimensional Galilean space . Some well known theorems are obtained related to Mannheim curves.

Differential Geometry · Mathematics 2010-03-17 S. Ersoy , M. Akyiğit , M. Tosun

The first aim of this paper is to define the dual timelike - spacelike Mannheim partner curves in Dual Lorentzian Space ID3 1, the second aim of this paper is to obtain the relationships between the curvatures and the torsions of the dual…

Differential Geometry · Mathematics 2016-11-25 Ozcan Bektas , Suleyman Senyurt

A Heisenberg uniqueness pair is a pair $\left(\Gamma, \Lambda\right)$, where $\Gamma$ is a curve and $\Lambda$ is a set in $\mathbb R^2$ such that whenever a finite Borel measure $\mu$ having support on $\Gamma$ which is absolutely…

Classical Analysis and ODEs · Mathematics 2017-02-10 Deb Kumar Giri , R. K. Srivastava

We study semi-Riemannian submanifolds of arbitrary codimension in a Lie group $G$ equipped with a bi-invariant metric. In particular, we show that, if the normal bundle of $M \subset G$ is closed under the Lie bracket, then any normal…

Differential Geometry · Mathematics 2023-09-26 Margarida Camarinha , Matteo Raffaelli

Let G be a n-dimensional Lie group (n>2) with a bi-invariant Riemannian metric. We prove that if a surface of constant Gaussian curvature in G can be expressed as the product of two curves, then it must be flat. In particular, we can…

Differential Geometry · Mathematics 2023-08-07 Xu Han , Zhonghua Hou

We consider a curve $\alpha=\alpha(s)$ in Minkowski 3-space $E_1^3$ and denote by $\{T,N,B}$ the Frenet frame of $\alpha$. We say that $\alpha$ is a slant helix if there exists a fixed direction $U$ of $E_1^3$ such that the function…

Differential Geometry · Mathematics 2008-10-09 Ahmad T. Ali , Rafael López

In this paper we study flag curvature of invariant $(\alpha,\beta)$-metrics of the form $\frac{(\alpha+\beta)^2}{\alpha}$ on homogeneous spaces and Lie groups. We give a formula for flag curvature of invariant metrics of the form…

Differential Geometry · Mathematics 2015-07-08 H. R. Salimi Moghaddam
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