2 papers
math.DG2004
Lightlike real hypersurfaces of paraquaternionic manifolds
Gabriel Eduard Vilcu
The main purpose of this paper is to give fundamental properties of real lightlike hypersurfaces of paraquaternionic manifolds and to prove the non-existence of real lightlike hype…
math.DG2003
A note on para-quaternion manifolds
A. M. Ionescu, G. E. Vilcu
We show that a para-quaternion nearly Kahler manifold is necessarily a para-quaternion Kahler manifold