English
Related papers

Related papers: Associated timelike helices in Minkowski 3-space

200 papers

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 study we give definitions and characterizations of transversal surfaces of timelike ruled surfaces. We study some special cases such as the striction curve is a geodesic, an asymptotic line or a line of curvature. Moreover, we…

Differential Geometry · Mathematics 2015-07-13 Mehmet Önder

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

In this paper, we study the timelike tubular Weingarten surfaces in 3-dimensional Minkowski space $IR_1^3 $.We have obtained some conditions for being $({K_{II},H})$, $({K_{II},K})$, timelike tubular Weingarten surfaces where are the second…

Differential Geometry · Mathematics 2011-06-14 Ayse Zeynep Azak , Melek Masal , Serpil Halıcı

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

We study the conformal geometry of timelike curves in the (1+2)-Einstein universe, the conformal compactification of Minkowski 3-space defined as the quotient of the null cone of $\mathbb{R}^{2,3}$ by the action by positive scalar…

Differential Geometry · Mathematics 2017-06-15 Akhtam Dzhalilov , Emilio Musso , Lorenzo Nicolodi

In this paper, we give the characterizations of spacelike B2-slant helix by means of curvatures of the spacelike curve in Minkowski 4-space. Furthermore, we give the integral characterization of the spacelike B2-slant helix.

Differential Geometry · Mathematics 2010-06-11 Mehmet Önder , Hüseyin Kocayiğit , Mustafa Kazaz

We present a cyclic symmetric space-time, admitting closed time-like curves (CTCs) which appear after a certain instant of time, i. e., a time-machine space-time. These closed time-like curves evolve from an initial spacelike hypersurface…

General Relativity and Quantum Cosmology · Physics 2021-05-19 Faizuddin Ahmed

In this paper, the parallel transport frames over non-lightlike curves in Minkowski 3-space are introduced. Evolution equations of these frames with respect to arc length and time are calculated over the space of these curves. Then the…

Differential Geometry · Mathematics 2013-10-09 Nevin Gürbüz , Süleyman Cengiz

In [1], we gave a method for constructing Bertrand curves from the spherical curves in 3 dimensional Minkowski space. In this work, we construct the Bertrand curves corresponding to a spacelike geodesic and a null helix in Minkowski 4…

Differential Geometry · Mathematics 2015-06-10 Gül Güner , Nejat Ekmekci

In this work, we give some new characterizations for inclined curves and slant helices in n-dimensional Euclidean space E^{n}. Morever, we consider the pre-characterizations about inclined curves and slant helices and reconfigure them.

Differential Geometry · Mathematics 2016-06-13 Ali Şenol , Evren Ziplar , Yusuf Yayli , İsmail Gök

We consider a unit speed timelike curve $\alpha$ in Minkowski 4-space $E_1^4$ and denote the Frenet frame of $\alpha$ by $\{T,N,B_1,B_2\}$. We say that $\alpha$ is a generalized helix if one of the unit vector fields of the Frenet frame has…

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

The fact that in Minkowski space, space and time are both quantized does not have to be introduced as a new postulate in physics, but can actually be derived by combining certain features of General Relativity and Quantum Mechanics. This is…

General Relativity and Quantum Cosmology · Physics 2007-05-23 G. 't Hooft

Submanifolds in Lorentz-Minkowski space are investigated from various mathematical viewpoints and are of interest also in relativity theory. We define the hyperbolic surface and the de Sitter surface of a curve in the spacelike hypersurface…

Differential Geometry · Mathematics 2019-07-04 Shyuichi Izumiya , Ana Claudia Nabarro , Andrea de Jesus Sacramento

In n-dimensional Euclidean space E^n, harmonic curvatures of a non-degenerate curve defined by \"Ozdamar and Hacisaliho\u{g}lu [4]. In this paper, We define a new type of curves called LC helix when the angle between tangent of this curve…

Differential Geometry · Mathematics 2012-03-12 Ali Senol , Evren Ziplar , Yusuf Yayli

We study the geometry of curves in the Minkowski space and in the de Sitter space, specially at points where the tangent direction is lightlike (i.e. has length zero) called lightlike points of the curve. We define the focal sets of these…

Differential Geometry · Mathematics 2015-08-28 Ana Claudia Nabarro , Andrea de Jesus Sacramento

Some new kinds of special curves called $\overset{\_}{\xi}$-helix, $\overset{% \_}{\xi}_{1}$-helix, $\overset{\_}{\mu}$-helix, $\overset{\_}{\nu}$-helix and $W_{k}$-Darboux helices $(k\in \left\{ {n,r,o}\right\} )$ in the Myller…

General Mathematics · Mathematics 2023-05-15 Akın Alkan , Mehmet Önder

We prove that general helices in Euclidean space for Killing vector fields associated to rotations are helices, that is, curves with constant curvature and constant torsion. In hyperbolic space $\h^3$, we obtain the parametrization of…

Differential Geometry · Mathematics 2025-07-18 Rafael López

We characterize all ruled translating solitons in Minkowski 3-space. In contrast to the Euclidean space, we find ruled translating solitons that are not cylindrical. These surfaces appear when the vector field that defines the rulings,…

Differential Geometry · Mathematics 2021-09-14 Muhittin Evren Aydin , Rafael Lopez

In this paper, we define some new associated curves as integral curves of a vector field generated by Frenet vectors of tangent indicatrix of a curve in Euclidean 3-space. We give some relationships between curvatures of these curves. By…

Differential Geometry · Mathematics 2019-10-16 Burak Sahiner