A Note on Nearly Sasakian and Nearly Cosymplictic Structures of 5-Dimensional Spheres

Kaynakça (7)

1. Besse, A. L., Einstein Manifolds, Springer Verlag, (1987)
2. Blair, D. E., Contact manifolds in Riemannian Geometry, Lecture Notes in Math. 509, Springer Verlag (1976)
3. Blair, D. E, Showers, D. K. and Yano, K., Nearly Sasakian Structures, Kodi Math. Sem. Rep. 27(1976), 175-180
4. Ejiri, N. Totally real submanifolds in a 6-sphere, Proc. Amer. Math. Soc. 83 (1981), 759-763
5. Okumura, Masafumi. Certain almost contact hypersurfaces in Kaehlerian manifolds of constant holomorphic sectional curvatures. Tôhoku Math. J. (2) 16 (1964), 270–284
6. Olszak, Z, Nearly Sasakian manifolds, Tensor (N.S.) 33 (1979), no. 3, 277–286
7. Olszak, Z, Five-dimensional nearly Sasakian manifolds, Tensor (N.S.) 34 (1980), no. 3, 273–276.