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Related papers: On the Developable Mannheim Offsets of Timelike Ru…

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In this paper, using the classifications of timelike and spacelike ruled surfaces, we define and study the Mannheim offsets of spacelike ruled surfaces in Minkowski 3-space. We give the conditions for spacelike offset surfaces to be…

Differential Geometry · Mathematics 2013-05-28 Mehmet Önder , H. Huseyin Uğurlu

In this paper, we obtain the characterizations of Mannheim offsets of the timelike ruled surface with spacelike rulings in dual Lorentzian space. We give the relations between terms of their integral invariants and also we give the new…

Differential Geometry · Mathematics 2011-02-01 Mehmet ONder , H. Huseyin Ugurlu

In this study, we give the dual characterizations of Mannheim offsets of the ruled surface in terms of their integral invariants and the new characterization of the Mannheim offsets of developable surface. Furthermore, we obtain the…

Differential Geometry · Mathematics 2011-06-30 Mehmet Önder , 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

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 paper, we consider non developable ruled surface with spacelike ruling, timelike ruling, respectively. We give the relations between the structure functions with the curvature and torsion of the striction line of the timelike and…

Differential Geometry · Mathematics 2014-03-06 Fatma Guler , Emin Kasap

In this study, we investigate the existence theorems for timelike ruled surfaces in Minkowski 3-space. We obtain a general system and give the existence theorems for a timelike ruled surface according to Gaussian curvature, distribution…

Differential Geometry · Mathematics 2019-10-01 Mehmet Önder

In this paper, we introduce the dual geodesic trihedron (dual Darboux frame) of a timelike ruled surface. By the aid of the E. Study Mapping, we consider timelike ruled surfaces as dual hyperbolic spherical curves and define the Mannheim…

Differential Geometry · Mathematics 2013-04-10 Mehmet Önder , H. Hüseyin Uğurlu

In this paper, we study Mannheim surface offsets in dual space. By the aid of the E. Study Mapping, we consider ruled surfaces as dual unit spherical curves and define the Mannheim offsets of the ruled surfaces by means of dual geodesic…

Differential Geometry · Mathematics 2015-07-13 Mehmet Önder , H. Hüseyin Uğurlu

The aim of this paper is to present a new perspective on the generation of developable trajectory ruled surfaces in Minkowski 3-space. Involute trajectory ruled surfaces generated by the Frenet trihedron, moving along spacelike involutes of…

Differential Geometry · Mathematics 2014-09-08 Mustafa Bilici

In this paper, we define dual geodesic trihedron(dual Darboux frame) of a spacelike ruled surface. Then, we study Mannheim offsets of spacelike ruled surfaces in dual Lorentzian space by considering the E. Study Mapping. We represent…

Differential Geometry · Mathematics 2013-04-10 Mehmet Önder , H. Hüseyin Uğurlu

In this paper, we get the time evolution equations of the curvature and torsion of the evolving spacelike curves in the Minkowski space. Also, we give inextensible evolutions of timelike ruled surfaces that are produced by the timelike…

Differential Geometry · Mathematics 2021-02-23 Dae Won Yoon , Zuhal Kucukarslan Yuzbasi , Ebru Cavlak Aslan

In this study, we consider the notion of similar ruled surface for timelike and spacelike ruled surfaces in Minkowski 3-space. We obtain some properties of these special surfaces in E_1^3 and we show that developable ruled surfaces in E_1^3…

Differential Geometry · Mathematics 2012-05-31 Mehmet Önder

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

We study time-like surfaces in the three-dimensional Minkowski space with diagonalizable second fundamental form. On any time-like W-surface we introduce locally natural principal parameters and prove that such a surface is determined…

Differential Geometry · Mathematics 2014-11-24 Vesselka Mihova , Georgi Ganchev

In this paper we introduce the notion of timelike surface with harmonic inverse mean curvature in 3-dimensional Lorentzian space forms, and study their fundamental properties.

Differential Geometry · Mathematics 2007-05-23 Atsushi Fujioka , Jun-ichi Inoguchi

Motivated by a number of recent investigations, we define and investigate the various properties of the ruled surfaces depend on three dimensional Lie groups with a bi-variant metric. We give useful results involving the characterizations…

Differential Geometry · Mathematics 2015-03-10 İlkay Arslan Güven , Semra Kaya Nurkan

In this study, we have obtained the distribution parameter of a ruled surface generated by a straight line in Frenet trihedron moving along a timelike curve and also along another curve with the same parameter. At this time, the Frenet…

Differential Geometry · Mathematics 2012-02-02 Yusuf Yayli , Semra Saracoglu

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

In the present paper, we study timelike surfaces with parallel normalized mean curvature vector field in the four-dimensional Minkowski space. We introduce special isotropic parameters on each such surface, which we call canonical…

Differential Geometry · Mathematics 2024-01-18 Victoria Bencheva , Velichka Milousheva
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