참고문헌
- V. I. Arnol'd, Contact geometry: the geometrical method of Gibbs's thermodynamodynamics, in Proceedings of the Gibbs Symposium (New Haven, CT, 1989), 163-179, american Mathematical Society, Providence, RI, USA, 1990.
- A. Bejancu, CR Submanifolds of a Kaehler Manifold I, Proc. Amer. Math. Soc., 69(1978), 135-142.
- A. Bejancu, CR Submanifolds of a Kaehler Manifold II, Trans. Amer. Math. Soc., 250(1979), 333-345. https://doi.org/10.1090/S0002-9947-1979-0530059-6
- A. Bejancu, M. Kon and K. Yano, CR Submanifolds of a Complex Space Form, J. Diff. Geom., 16(1981), 137-145. https://doi.org/10.4310/jdg/1214435997
- B. Y. Chen, CR Submanifolds of a Kaehler Manifold I , J. Diff. Geom., 16(1981), 305-322. https://doi.org/10.4310/jdg/1214436106
- B. Y. Chen, CR Submanifolds of a Kaehler Manifold II, J. Differential Geom., 16(1981), 493-509. https://doi.org/10.4310/jdg/1214436226
- C. Calin, On Existence of Degenerate Hypersurfaces in Sasakian Manifolds, Arab Journal of Mathematical Sciences, 5(1999), 21-27.
- K. L. Duggal, CR Structures and Lorentizian Geometry, Acta Appl. Math., 7(1986), 211-223. https://doi.org/10.1007/BF00047093
- K. L. Duggal, Lorentzian Geometry of CR Submanifolds, Acta Appl. Math., 17(1989), 171-193. https://doi.org/10.1007/BF00046823
- K. L. Duggal and A. Bejancu, Lightlike Submanifolds of semi-Riemannian Manifolds and Applications, Vol. 364 of Mathematics and its Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands, (1996).
- K. L. Duggal, and B. Sahin, Lightlike Submanifolds of Indefinite Sasakian Manifolds, International Journal of Mathematics and Mathematical Sciences, Vol (2007), Article ID 57585, 21 pages.
- K. L. Duggal and B. Sahin, Generalized Cauchy-Riemann Lightlike Submanifolds of Indefinite Sasakian Manifolds, Acta Math. Hungar, 122(2009), 45-58. https://doi.org/10.1007/s10474-008-7221-8
-
Rakesh Kumar, Rachna Rani and R. K. Nagaich, On Sectional curvature of
$\epsilon$ -Sasakian Manifolds, International Journal of Mathematics and Mathematical Sciences, Vol (2007), Article ID 93562, 8 pages. - V. E. Nazaikinskii, V. E. Shatalov and B. Y. Sternin, Contact geometry of linear differential equations, Vol. 6 of De Gruyter Expositions in Mathematics, Walter de Gruyter, Berlin, Germany, 1992.
- S. Maclane, Geometrical Mechanics II, Lectures notes, University of Chicago, Chicago III, USA, 1968.
- K. Yano, and M. Kon, Differential Geometry of CR Submanifolds, Geometriae Dedicata, 10(1981), 369-391. https://doi.org/10.1007/BF01447433
- K. Yano, and M. Kon, Contact CR-submanifolds, Kodai Math. J., 5(1982), 238-252. https://doi.org/10.2996/kmj/1138036553
- K. Yano, and M. Kon, CR Submanifolds of Kaehlerian and Sasakian Manifolds, Birkhauser, Bostan, (1983).