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This study investigates the differential geometric properties of Smarandache curves derived from null curves defined in the ligtlike cone space $% Q_{3}^{2}\subset E_{2}^{4}$. The indefinite metric structure causes the null vectors, and…

General Mathematics · Mathematics 2025-12-30 Fatma Almaz , Bilal Tekyoldaş

In this paper, we introduce special Smarandache curves according to Sabban frame on and we give some characterization of Smarandache curves. Besides, we illustrate examples of our results.

General Mathematics · Mathematics 2016-09-06 Kemal Taşköprü , Murat Tosun

In this paper we study slant null curves with respect to the original parameter on 3-dimensional normal almost contact B-metric manifolds with parallel Reeb vector field. We prove that for non-geodesic such curves there exists a unique…

Differential Geometry · Mathematics 2015-11-26 Galia Nakova , Hristo Manev

The presented paper is devoted to study the curvature and torsion of slant Frenet curves in 3-dimensional normal almost paracontact metric manifolds. Moreover, in this class of manifolds, properties of non- Frenet slant curves (with null…

Differential Geometry · Mathematics 2012-12-27 Joanna Wełyczko

In this paper, we investigate special Smarandache curves according to Bishop frame in Euclidean 3-space and we give some differential geometric properties of Smarandache curves. Also we find the centers of the osculating spheres and…

General Mathematics · Mathematics 2016-08-14 Muhammed Çetin , Yılmaz Tunçer , Murat Kemal Karacan

We introduce a new type of slant curves in almost contact B-metric manifolds, called $\varphi $-slant curves, by an additional condition which is specific for these manifolds. In this paper we study $\varphi $-slant null curves in a class…

Differential Geometry · Mathematics 2020-05-13 Galia Nakova

In this paper, the Cartan frames and the equi-affine curvatures are described with the help of the Frenet frames and the Frenet curvatures of a non-null and non-degenerate curve in a 3-dimensional pseudo-Riemannian manifold. The constancy…

Differential Geometry · Mathematics 2019-10-31 Karina Olszak , Zbigniew Olszak

We analyzed the problem of finding a surfaces family through an asymptotic curve with Cartan frame. We obtain the parametric representation for surfaces family whose members have the same as an asymptotic curve. By using the Cartan frame of…

Differential Geometry · Mathematics 2014-09-04 Gulnur Saffak Atalay , Emin Kasap

In this paper, by considering dual geodesic trihedron (dual Darboux frame) we define dual Smarandache curves lying fully on dual unit sphere S^2 and corresponding to ruled surfaces. We obtain the relationships between the elements of…

General Mathematics · Mathematics 2016-06-03 Tanju Kahraman , Mehmet Önder , H. Hüseyin Uğurlu

For an arbitrary nondegenerate curve in a pseudo-Riemann\-ian (including Riemannian) 2-manifold, we express the equi-affine curvature with the help of the Frenet (geodesic) curvature of this curve.

Differential Geometry · Mathematics 2018-10-30 Karina Olszak , Zbigniew Olszak

In this study, we determine some special Smarandache curves according to Darboux frame in E3. We give some characterizations and consequences of Smarandache curves.

General Mathematics · Mathematics 2012-04-26 Ozcan Bektas , Salim Yuce

Using a semi-symmetric metric connection, we construct Frenet frame and curvatures of curves in 3-dimensional manifolds and give examples of semi-symmetric Frenet curves in Euclidean, Sasakian and Kenmotsu manifolds.

Differential Geometry · Mathematics 2026-01-05 Şaban Güvenç

In this study, non-null Frenet-Mannheim curves and non-null Weakened Mannheim curves are investigated in Minkowski 3-space. Some characterizations for this curves are obtained.

Differential Geometry · Mathematics 2016-05-10 Yılmaz Tunçer , Murat Kemal Karacan

In the present paper, we investigate special Smarandache curves with Darboux apparatus with respect to Frenet and Darboux frame of an arbitrary curve on a surface in the three-dimensional Galilean space G3. Furthermore, we give general…

General Mathematics · Mathematics 2018-01-09 Tevfik Şahin , Merve Okur

In this paper, we give the definition of the natural mate of a non-null Frenet curve in Minkowski 3-spaces. The main purpose of this paper is to prove some relationships between a non-null Frenet curve and its natural mate. In particular,…

General Mathematics · Mathematics 2018-12-27 Alev Kelleci

The Frenet frame is generally known an orthonormal vector frame for curves. But, it does not always meet the needs of curve characterizations. In this study, with the help of associated curves of any spatial curve we obtained a new…

Differential Geometry · Mathematics 2014-06-03 Cagla Ramis , Beyhan Uzunoglu , Yusuf Yayli

This paper defines a symplectic form on the infinite dimensional Fr\'echet manifold of framed curves of fixed length over a simply connected Riemannian manifold of constant curvature. The paper then considers Hamiltonian systems generated…

Symplectic Geometry · Mathematics 2007-08-10 Velimir Jurdjevic

Geometric frameworks for analyzing curves are common in applications as they focus on invariant features and provide visually satisfying solutions to standard problems such as computing invariant distances, averaging curves, or registering…

Methodology · Statistics 2025-11-24 Perrine Chassat , Juhyun Park , Nicolas Brunel

In this work, we study plane and spherical curves in Euclidean and Lorentz-Minkowski 3-spaces by employing rotation minimizing (RM) frames. By conveniently writing the curvature and torsion for a curve on a sphere, we show how to find the…

Differential Geometry · Mathematics 2022-09-22 Luiz C. B. da Silva

We describe some regular techniques of calculating finite degree invariants of triple points free smooth plane curves $S^1 \to R^2$. They are a direct analog of similar techniques for knot invariants and are based on the calculus of {\em…

Geometric Topology · Mathematics 2014-07-29 Victor A. Vassiliev
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