Results 61 to 68 of about 363 (68)

Equiform spacelike Smarandache curves of anti-eqiform Salkowski curve according to equiform frame

, 2021
In this paper, we construct the equiform spacelike Smarandache curves of spacelike anti-equiform Salkowski curves with timelike binormal according to equiform frame in R3 1. Furthermore, we calculate the equiform Frenet apparatus of these curves. Finally,
E. Solouma
semanticscholar   +1 more source

Some Characterizations of Generalized Null Mannheim Curves in Semi-Euclidean Space

Journal of Geometry and Symmetry in Physics, 2020
Communicated by Ivaïlo M. Mladenov Abstract. In the present paper, we investigate Cartan framed generalized null Mannheim curves in the four-dimensional semi-Euclidean space of index two. We construct the Cartan (or Frenet) frames and curvature functions
Nihal Kiliç Aslan, K. Ilarslan
semanticscholar   +1 more source

On Ricci Curvature of Certain Submanifolds in a Cosymplectic Space Form

Sarajevo Journal of Mathematics
In this paper, we obtain some sharp inequalities between the Ricci curvature and the squared mean curvature for slant, bi-slant and semi-slant submanifolds in cosymplectic space forms.
Ximin Liu, Jianbin Zhou
semanticscholar   +1 more source

Screen Transversal Lightlike Submanifolds of Indefinite Kenmotsu Manifolds

Sarajevo Journal of Mathematics
In this paper, we introduce screen transversal lightlike submanifolds of indefinite Kenmotsu manifolds. We obtain a characterization of screen transversal anti-invariant lightlike submanifolds as well as a condition for induced connection to be a metric ...
Ram Shankar Gupta, A. Sharfuddin
semanticscholar   +1 more source

B.-Y. Chen Inequalities for Slant Submanifolds in Kenmotsu Space Forms II

Sarajevo Journal of Mathematics
In this article, we investigate sharp inequalities involving Chen invariants for a slant submanifold $M$ of a Kenmotsu space form $\widetilde{M}(c)$, tangent to the structure vector field of the ambient space.   2000 Mathematics Subject Classification.
Simona Costache
semanticscholar   +1 more source

Warped Product Lightlike Submanifolds

Sarajevo Journal of Mathematics
e study a new class of lightlike submanifolds $M$, called warped product lightlike submanifolds, of a semi-Riemann manifold. We show that the null geometry of $M$ reduces to the corresponding non-degenerate geometry of its semi-Riemann submanifold ...
Bayram Şahin
semanticscholar   +1 more source

Semi-slant Submanifolds of Trans-Sasakian Manifolds

Sarajevo Journal of Mathematics
The purpose of the present paper is to study semi-slant submanifolds of a trans-Sasakian manifold.   2000 Mathematics Subject Classification.
V. A. Khan, M. Khan
semanticscholar   +1 more source

Some inequalities for generalized normalized $\delta$-Casorati curvatures of slant submanifolds in generalized Sasakian space form

, 2017
M. Lone
semanticscholar   +1 more source