References
- R. L. Bishop and B. O'Neil, Manifolds of negative curvature, Trans. Amer. Math. Soc. 145 (1969), 1-9. https://doi.org/10.1090/S0002-9947-1969-0251664-4
- B. Y. Chen, CR-submanifold of Kaehler manifolds. I, J. Differential Geom. 16 (1981), no. 2, 305-323. https://doi.org/10.4310/jdg/1214436106
- B. Y. Chen, Slant Immersion, Bull. Autral. Math. Soc. 41 (1990), no. 1, 135-147. https://doi.org/10.1017/S0004972700017925
- B. Y. Chen, Geometry of warped product CR-submanifolds in Kaehler manifolds, Montash. Math. 133 (2001), no. 3, 177-195. https://doi.org/10.1007/s006050170019
- I. Hasegawa, I. Mihai, Contact CR-warped product submanifolds in Sasakian manifolds, Geom. Dedicata 102 (2003), 143-150. https://doi.org/10.1023/B:GEOM.0000006582.29685.22
- S. Hiepko, Eine innere Kennzeichnung der verzerrten Produkte, Math. Ann. 241 (1979), no. 3, 209-215. https://doi.org/10.1007/BF01421206
- S. T. Hong, Warped product and black holes, Nuovo Cimento Soc. Ital. Fis. B 120 (2005), no. 10-11, 1221-1234.
- K. Kenmotsu, A class of almost contact Riemannian manifolds, Tohoku Math. 24 (1972), 93-103. https://doi.org/10.2748/tmj/1178241594
- V. A. Khan, K. A. Khan, and Siraj-Uddin, CR-Warped product submanifolds in a Kaehler Manifold, Southeast Asian Bull. Math. 33 (2009), no. 5, 865-874.
- M. Kobayashi, Semi-invariant submanifolds of a certain class of almost contact manifolds, Tensor (N.S.) 43 (1986), no. 1, 28-36.
- M. I. Munteanu, Warped product contact CR-submanifold of Sasakian space form, Publ. Math. Debreen 66 (2005), no. 1-2, 75-120.
- M. I. Munteanu, A note on doubly warped product contact CR-submanifold in trans-Sasakian manifolds, Acta Math. Hungar. 16 (2007), no. 1-2, 121-126.
- J. A. Oubina, New class of almost contact metric structures, Publ. Math. Debreen 32 (1985), no. 3-4, 187-193.
- S. Tanno, The automorphism groups of almost contact Riemannian manfolds, Tohoku Math. J. 21 (1969), 21-38. https://doi.org/10.2748/tmj/1178243031
- K. Yano and M. Kon, CR-Submanifolds of Kaehlerian and Sasakian Manifolds, Birkhauser Verlag, Boston, 1983.