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    ?-Einstein nearly Kenmotsu manifolds
    (World Scientific Publ Co Pte Ltd, 2019) Tekin, Pelin; Aktan, Nesip
    In this paper, we showed that an eta-Einstein nearly Kenmotsu manifold with projective curvature tensor P, and conharmonic curvature tensor N, satisfy the conditions R(X, Y) . P = 0 and R(X, Y) . N = 0, respectively. Furthermore, we obtain scalar curvature of a projectively flat and a conharmonically flat eta-Einstein nearly Kenmotsu manifold.
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    An Introduction to the New Type of Globally Framed Manifold
    (Amer Inst Physics, 2017) Aktan, Nesip; Tekin, Pelin
    The purpose of this paper is to give an introduction to new type of globally framed manifolds. Such manifolds are called globally framed nearly Sasakian manifolds. We show that a normal globally framed nearly Sasakian manifold is an S-manifold.