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LOCALLY SYMMETRIC HALF LIGHTLIKE SUBMANIFOLDS IN AN INDEFINITE KENMOTSU MANIFOLD

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In this paper, we study locally symmetric half lightlike submanifolds M of an indefinite Kenmotsu manifold $\bar{M}$ subject to the conditions: (1) The transversal vector bundle $tr(TM)$ is parallel with respect to the connection $\bar{\nabla}$ of $\bar{M}$ and (2) M is irrotational.

Abstract

In this paper, we study locally symmetric half lightlike submanifolds M of an indefinite Kenmotsu manifold $\bar{M}$ subject to the conditions: (1) The transversal vector bundle $tr(TM)$ is parallel with respect to the connection $\bar{\nabla}$ of $\bar{M}$ and (2) M is irrotational.

참고문헌 (9)

  1. K. L. Duggal, "Lightlike Submanifolds of Semi-Riemannian Manifolds and Applications" (1996), Kluwer Acad. Publishers
  2. K. L. Duggal, "Half-lightlike submanifolds of codimension 2", Math. J. Toyama Univ, 22, pp.121~161 (1999)
  3. K. L. Duggal, "Null Curves and Hypersurfaces of Semi-Riemannian Manifolds" (2007), World Scientific
  4. D. H. Jin, "The curvatures of lightlike hypersurfaces in an indefinite Kenmotsu manifold", Balkan Journal of Geometry and its Application, 17(2), pp.49~57 (2012)
  5. Dae Ho Jin, "EINSTEIN HALF LIGHTLIKE SUBMANIFOLDS WITH SPECIAL CONFORMALITIES", 대한수학회보, 49(6), pp.1163~1178 (2012), 대한수학회
  6. K. Kenmotsu, "A class of almost contact Riemannian manifolds", Tbohoku Math. J, 21, pp.93~103 (1972)
  7. D. N. Kupeli, "Singular Semi-Riemannian Geometry, In Mathematics and Its Applications" (1996), Kluwer Acad. Publishers
  8. R. Shankar Gupta, "Lightlike submanifolds of indefinite Kenmotsu manifold", Int. J. Contemp. Math. Sci, 5(9-12), pp.475~496 (2010)
  9. K. Yano, "Integrable Formulas in Riemannian Geometry" (1970), Marcel Dekker

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