On almost Kenmotsu manifolds with nullity distributions

Uday Chand De, Jae Bok Jun, Krishanu Mandal


The object of this paper is to characterize the curvature conditions $R\cdot P=0$ and $P\cdot S=0$ with its characteristic vector field $\xi$ belonging to the $(k,\mu)'$-nullity distribution and $(k,\mu)$-nullity distribution respectively, where $P$ is the Weyl projective curvature tensor. As a consequence of the main results we obtain several corollaries.


Almost Kenmotsu manifolds; nullity distribution; Weyl projective curvature tensor; Einstein manifold

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DOI: http://dx.doi.org/10.5556/j.tkjm.48.2017.2272

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