Author: E.M. Solouma Publisher: Infinite Study ISBN: Category : Mathematics Languages : en Pages : 7
Book Description
In this paper, we introduce special equiform Smarandache curves reference to the equiform Frenet frame of a curve ζon a spacelike surface M in Minkowski 3-space E 3 1 . Also, we study the equiform Frenet invariants of the spacial equiform Smarandache curves in E 3 1 . Moreover, we give some properties to these curves when the curve ζhas constant curvature or it is a circular helix. Finally, we give an example to illustrate these curves.
Author: E. M. Solouma Publisher: Infinite Study ISBN: Category : Mathematics Languages : en Pages : 17
Book Description
In this paper, we introduce the equiform-Bishop frame of a spacelike curve r lying fully on S21 in Minkowski 3-space R31. By using this frame, we investigate the equiform-Bishop Frenet invariants of special spacelike equiform-Bishop Smarandache curves of a spacelike base curve in R31 . Furthermore, we study the geometric properties of these curves when the spacelike base curve r is specially contained in a plane. Finally, we givea computational example to illustrate these curves.
Author: Emad Solouma Publisher: Infinite Study ISBN: Category : Mathematics Languages : en Pages : 14
Book Description
In this paper, some geometric properties of equiform Smarandache ruled surfaces in Minkowski space E13 using an equiform frame are investigated. Also, we give the sufficient conditions that make these surfaces are equiform developable and equiform minimal related to the equiform curvatures and when the equiform base curve contained in a plane or general helix. Finally, we provide an example, such as these surfaces.
Author: Emad Solouma Publisher: Infinite Study ISBN: Category : Mathematics Languages : en Pages : 17
Book Description
In this paper, we construct the equiform spacelike Smarandache curves of spacelike anti-equiform Salkowski curves with timelike binormal according to equiform frame. Furthermore, we calculate the equiform Frenet apparatus of these curves. Finally, the latter curves were plotted.
Author: Emad Solouma Publisher: Infinite Study ISBN: Category : Mathematics Languages : en Pages : 19
Book Description
This study begins with the construction of type-Π Smarandache ruled surfaces, whose base curves are Smarandache curves derived by rotation-minimizing Darboux frame vectors of the curve in E3. The direction vectors of these surfaces are unit vectors that convert Smarandache curves. The Gaussian and mean curvatures of the generated ruled surfaces are then separately calculated, and the surfaces are required to be minimal or developable. We report our main conclusions in terms of the angle between normal vectors and the relationship between normal curvature and geodesic curvature. For every surface, examples are provided, and the graphs of these surfaces are produced.
Author: Tevfik Sahin Publisher: Infinite Study ISBN: Category : Languages : en Pages : 15
Book Description
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.
Author: H.S.Abdel-Aziz Publisher: Infinite Study ISBN: Category : Languages : en Pages : 13
Book Description
In the present paper, Smarandache curves for some special curves in the threedimensional Galilean space G3are investigated. Moreover, spherical indicatrices for the helix as well as circular helix are introduced. Furthermore, some properties for these curves are given. Finally, in the light of this study, some related examples of these curves are provided.
Author: Stuti Tamta Publisher: Infinite Study ISBN: Category : Mathematics Languages : en Pages : 19
Book Description
In this paper, we study the developable TN, TB, and NB-Smarandache ruled surface with a pointwise 1-type Gauss map. In particular, we obtain that every developable TN-Smarandache ruled surface has constant mean curvature, and every developable TB-Smarandache ruled surface is minimal if and only if the curve is a place curve with non-zero curvature or a helix, and every developable NB-Smarandache ruled surface is always plane. We also provide some examples.
Author: Melih Turgut Publisher: Infinite Study ISBN: Category : Languages : en Pages : 5
Book Description
A regular curve in Minkowski space-time, whose position vector is composed by Frenet frame vectors on another regular curve, is called a Smarandache Curve.
Author: Barrett O'Neill Publisher: Academic Press ISBN: 0080570577 Category : Mathematics Languages : en Pages : 483
Book Description
This book is an exposition of semi-Riemannian geometry (also called pseudo-Riemannian geometry)--the study of a smooth manifold furnished with a metric tensor of arbitrary signature. The principal special cases are Riemannian geometry, where the metric is positive definite, and Lorentz geometry. For many years these two geometries have developed almost independently: Riemannian geometry reformulated in coordinate-free fashion and directed toward global problems, Lorentz geometry in classical tensor notation devoted to general relativity. More recently, this divergence has been reversed as physicists, turning increasingly toward invariant methods, have produced results of compelling mathematical interest.
Author: E.M. Solouma
Author: E. M. Solouma
Author: Emad Solouma 
Author: Emad Solouma
Author: Emad Solouma
Author: Tevfik Sahin
Author: H.S.Abdel-Aziz 
Author: Stuti Tamta
Author: Melih Turgut 
Author: Barrett O'Neill