참고문헌
- Chen, B.Y.: Geometry of Submanifolds. Marcel Dekker, New York, 1973.
- Chen, B.Y.: Geometry of Slant submanifolds. Katheolieke Universiteit, Leuven, 1990.
- Chen, B.Y.: Slant Immersions. Bull. Aust. Math. Soc. 41 (1990), 135-147. https://doi.org/10.1017/S0004972700017925
- Duggal, K.L. & Bejancu, A.: Lightlike Submanifolds of Semi-Riemannian Manifolds and Applications. Kluwer Acad. Publishers, Dordrecht, 1996.
- Duggal, K.L. & Jin, D.H.: Totally umbilical lightlike submanifolds. Kodai Math. J. 26 (2003), 49-68. https://doi.org/10.2996/kmj/1050496648
- Duggal, K.L. & Sahin, B.: Generalized Cauchy-Riemann lightlike Submanifolds of indefinite Sasakian manifolds. Acta Math. Hungar. 112 (2006), no. 1-2, 113-136.
- Duggal, K.L. & Sahin, B.: Lightlike Submanifolds of inde¯nite Sasakian manifolds. Int. J. Math. and Math. Sci. Art ID 57585 (2007), 1-21.
- Gupta, R.S. & Sharfuddin, A.: Slant lightlike submanifolds of indefinite Kenmotsu manifolds. Turkish J. Math. 34 (2010), 1-13.
- Gupta, R.S. & Sharfuddin, A.: Slant lightlike submanifolds of indefinite Cosymplectic manifolds. Mediterr. J. Math. DOI 10.1007/s00009-010-0077-5.
- Jin, D.H.: Geometry of lightlike hypersurfaces of an indefinite Sasakian manifold. Indian J. Pure & Appl. Math. 41 (2010), no. 4, 569-581. https://doi.org/10.1007/s13226-010-0032-y
- Sahin, B.: Slant lightlike submanifolds of indefinite Hermitian manifolds. Balkan J. of Geometry and Its App. 13 (2008), 107-119.
- Takahashi, T.: Sasakian manifolds with pseudo-Riemannian metric. Tohoku Math. J. 21 (1969), 271-290. https://doi.org/10.2748/tmj/1178242996