References
- P. Alegre, D.E. Blair and A. Carriazo, Generalized Sasakian space form, Israel J. Math. 141 (2004), 157-183. https://doi.org/10.1007/BF02772217
- K.L. Duggal and A. Bejancu, Lightlike Submanifolds of Semi-Riemannian Manifolds and Applications, Kluwer Acad. Publishers, Dordrecht, 1996.
- K.L. Duggal and D.H. Jin, Null curves and Hypersurfaces of Semi-Riemannian Manifolds, World Scientic, 2007.
- K.L Duggal and B. Sahin, Generalized Cauchy-Riemann lightlike Submanifolds of indenite Sasakian manifolds, Acta Math. Hungar. 112(1-2) (2006), 113-136.
- K.L. Duggal and B. Sahin, Lightlike Submanifolds of indenite Sasakian manifolds, Int. J. Math. Math. Sci. 2007, Art ID 57585, 1-21.
- K.L. Duggal and B. Sahin, Differential geometry of lightlike submanifolds, Frontiers in Mathematics, Birkhauser, 2010.
- D.H. Jin, Geometry of lightlike hypersurfaces of an indenite Sasakian manifold, Indian J. of Pure and Applied Math. 41(4) (2010), 569-581. https://doi.org/10.1007/s13226-010-0032-y
- D.H. Jin, The curvatures of lightlike hypersurfaces of an indenite Kenmotsu manifold, Balkan J. Geo. and Its Appl. 17(1) (2012), 49-57.
- D.H. Jin, Geometry of lightlike hypersurfaces of an indefinite cosymplectic manifold, Commun. Korean Math. Soc. 27(1) (2012), 185-195. https://doi.org/10.4134/CKMS.2012.27.1.185
- D.H. Jin, Ascreen lightlike hypersurfaces of an indenite Sasakian manifold, J. Korean Soc Math. Edu. Ser. B: Pure Appl. Math., 20(1) (2013), 25-35. https://doi.org/10.7468/jksmeb.2013.20.1.25
- D.H. Jin, Non-existence of screen homothetic half lightlike submanifolds of an indenite Kenmotsu manifold, Balkan J. Geo. and Its Appl. 18(1) (2013), 22- 30.
- D.H. Jin, Ascreen lightlike hypersurfaces of a semi-Riemannian space form with a semi-symmetric non-metric connection, accepted in Commun. Korean Math. Soc. 2013.
- D.H. Jin and J.W. Lee, Generic lightlike submanifolds of an indenite cosymplectic manifold, Math. Prob. in Engineering, 2011, Art ID 610986, 1-16.
- J.A. Oubina, New classes of almost contact metric structures, Publ. Math. Debrecen 32 (1985), 187-193.