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8 papers · 1 filter
Semi-invariant Submanifolds of Normal Complex Contact Metric Manifolds
Aysel Turgut Vanli, Inan Unal
In this paper, we study on semi-invariant submanifolds of normal complex contact metric manifolds. We give the definition of such submanifolds and we obtain useful relations. Moreo…
On Complex Sasakian manifolds
Aysel Turgut Vanli, İnan Ünal, Keziban Avcu
In this article we study a class of normalθcomplexθcontactθmetricθmanifold which is called a complex Sasakian manifold. This kind of manifold has a globally defined complex contact…
On some curves with the modified orthogonal frame in Euclidean 3-space
Mohamd Saleem Lone, Hasan Es, Murat Kemal Karacan +1
In this paper, we study helices and the Bertrand curves. We obtain some of the classification results of these curves with respect to the modified orthogonal frame in Euclidean 3-s…
Generalized Kenmotsu Manifolds
Aysel Turgut Vanli, Ramazan Sari
In 1972, K. Kenmotsu studied a class of almost contact Riemannian manifolds. Later, such a manifold was called a Kenmotsu manifold. This paper, we studied Kenmotsu manifolds with $…
Dual Darboux Frame of a Spacelike Ruled Surface and Darboux Approach to Mannheim Offsets of Spacelike Ruled Surfaces
Mehmet Önder, H. Hüseyin Uğurlu
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 sp…
On the Mannheim Surface Offsets
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…