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Related papers: Focal Representation of k-slant Helices in E^{m+1}

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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

We consider a unit speed curve $\alpha$ in Euclidean four-dimensional space $E^4$ and denote the Frenet frame by $\{T,N,B_1,B_2\}$. We say that $\alpha$ is a slant helix if its principal normal vector $N$ makes a constant angle with a fixed…

Differential Geometry · Mathematics 2009-01-22 Ahmad T. Ali , Rafael López

In this paper, Vn-slant helices and the harmonic curvature functions of Vn-slant helices are de ned in lightlike cone Qn+1, and the differential equations of the harmonic curvature functions Hi, 1<i<n-2 of Vn-slant helices are expressed by…

Differential Geometry · Mathematics 2025-10-24 Fatma Almaz , Handan Oztekin

We consider slant normal magnetic curves in $(2n+1)$-dimensional $S$-manifolds. We prove that $\gamma $ is a slant normal magnetic curve in an $% S $-manifold $(M^{2m+s},\varphi ,\xi _{\alpha },\eta ^{\alpha },g)$ if and only if it belongs…

General Mathematics · Mathematics 2020-04-14 Şaban Güvenç , Cihan Özgür

In this paper, we define a new special curve in Euclidean 3-space which we call {\it $k-$slant helix} and introduce some characterizations for this curve. This notation is generalization of a general helix and slant helix. Furthermore, we…

Differential Geometry · Mathematics 2009-09-15 Ahmad T Ali

Given a smooth curve $\gamma$ in some $m$-dimensional surface $M$ in $\mathbb{R}^{m+1}$, we study existence and uniqueness of a flat surface $H$ having the same field of normal vectors as $M$ along $\gamma$, which we call a flat…

Differential Geometry · Mathematics 2023-07-11 Irina Markina , Matteo Raffaelli

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

We consider a unit speed curve $\alpha$ in Euclidean $n$-dimensional space $E^n$ and denote the Frenet frame by $\{v_1,...,v_n\}$. We say that $\alpha$ is a cylindrical helix if its tangent vector $v_1$ makes a constant angle with a fixed…

Differential Geometry · Mathematics 2009-01-22 Ahmad T. Ali , Rafael López

In this paper, we consider the problem of finding the hypersurface M^n in the Euclidean (n+1)-space R^{n+1} that satisfies an equation of mean curvature type, called singular minimal hypersurface equation. Such an equation physically…

Differential Geometry · Mathematics 2019-12-02 Ayla Erdur , Mahmut Ergut , Muhittin Evren Aydin

A general method to derive the diagonal representation for a generic matrix valued quantum Hamiltonian is proposed. In this approach new mathematical objects like non-commuting operators evolving with the Planck constant promoted as a…

Mathematical Physics · Physics 2009-11-10 Pierre Gosselin , Herve Mohrbach

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 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 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

For a smooth projective curve, the cycles of e-secant k-planes are among the most studied objects in classical enumerative geometry and there are well-known formulas due to Castelnuovo, Cayley and MacDonald concerning them. Despite various…

Algebraic Geometry · Mathematics 2014-11-21 Gavril Farkas

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

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

In the present paper, we define and study $C$-parallel and $C$-proper slant curves of $S$-manifolds. We prove that a curve $\gamma $ in an $S$-manifold of order $r\geq 3,$ under certain conditions, is $C$-parallel or $C$-parallel in the…

General Mathematics · Mathematics 2020-04-14 Şaban Güvenç , Cihan Özgür

We examine semi-bar visibility graphs in the plane and on a cylinder in which sightlines can pass through k objects. We show every semi-bar k-visibility graph has a (k+2)-quasiplanar representation in the plane with vertices drawn as points…

Combinatorics · Mathematics 2013-07-05 Jesse Geneson , Tanya Khovanova , Jonathan Tidor

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

This paper establishes a real integral representation of the reciprocal $\Gamma$ function in terms of a regularized hypersingular integral. The equivalence with the usual complex representation is demonstrated. A regularized complex…

Classical Analysis and ODEs · Mathematics 2018-10-30 Dimiter Prodanov
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