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Relative nullity foliations and lightlike hypersurfaces in indefinite Kenmotsu manifolds
η-Einstein lightlike hypersurfaces Indefinite Kenmotsu manifold Relative nullity foliation Screen distribution
2011/4/6
This paper deals with the relative nullity distributions of lightlike hypersurfaces of indefinite Kenmotsu space forms, tangent to the structure vector field. Theorems on parallel vector fields are ob...
Slant lightlike submanifolds of indefinite Kenmotsu manifolds
Degenerate metric Slant lightlike submanifolds Kenmotsu manifold
2011/4/6
In this paper, we introduce the notion of a slant lightlike submanifold of an indefinite Kenmotsu manifold. We provide a non-trivial example and obtain necessary and sufficient conditions for the exis...
On f-Recurrent Kenmotsu Manifolds
Kenmotsu manifolds f-recurrent Kenmotsu manifolds locally f-recurrent Kenmotsu manifolds
2010/2/25
The object of this paper is to study f-recurrent Kenmotsu manifolds. Also three-dimensional locally f-recurrent Kenmotsu manifolds have been considered. Among others it is proved that a locally f-recu...