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SCREEN GENERIC LIGHTLIKE SUBMERSIONS

  • Gaurav Sharma (Department of Mathematics, Maharaja Agrasen University, SDWG Government College Beetan) ;
  • Sangeet Kumar (Department of Mathematics, Sri Guru Teg Bahadur Khalsa College) ;
  • Dinesh Kumar Sharma (Department of Mathematics, Maharaja Agrasen University)
  • Received : 2023.03.02
  • Accepted : 2023.05.10
  • Published : 2023.12.20

Abstract

We introduce the study of a new class of a lightlike submersion d. Then, we derive a relationship between the holomorphic section 𝜙 : K1 → K' from a screen generic lightlike submanifold of an indefinite Kaehler manifold K2 onto an indefinite almost Hermitian manifold K', and show that for this case K' must be an indefinite Kaehler manifold. Then, we derive a relationship between the holomorphic sectional curvatures of K2 and K'. Finally, we present a classification theorem for a screen generic lightlike submersion, giving the relationship between the sectional curvatures of the total space K2 and the fibers.

Keywords

References

  1. M. Barros and A. Romero, Indefinite Kaehler manifolds, Math. Ann. 261 (1982), 55-62. https://doi.org/10.1007/BF01456410
  2. J. P. Bourguinon and H. B. Lawson, Stability and isolation phenomena for Yang-Mills fields, Commun. Math. Phys. 79 (1981), 189-230. https://doi.org/10.1007/BF01942061
  3. B. Dogan, B. Sahin and E. Yasar, Screen generic lightlike submanifold, Mediterr. J. Math. 16 (2019), 040001-21.
  4. K. L. Duggal and A. Bejancu, Lightlike Submanifolds of Semi-Riemannian Manifolds and Applications, Kluwer Academic Publishers, Dordrecht, The Netherlands 1996.
  5. K. L. Duggal and D. H. Jin, Totally umbilical lightlike submanifolds, Kodai Math. J. 26 (2003), 49-68. https://doi.org/10.2996/kmj/1050496648
  6. K. L. Duggal and D. H. Jin, Generic lightlike submanifolds of an indefinite sasakian manifold, Int. Electron. J. Geom. 5 (2012), no. 1, 108-119.
  7. T. Fatima, M. A. Akyol, and A. A. Alzulaibani, On a submersion of generic submanifold of a nearly Kaehler manifold, Int. J. Geom. Methods Mod. 19 (2022), no. 4, 2250048-62. https://doi.org/10.1142/S0219887822500487
  8. A. Gray, Pseudo-Riemannian almost product manifold and submersion, J. Math. Mech. 16 (1967), 715-737.
  9. R. S. Gupta and A. Sharfuddin, Screen transversal lightlike submanifolds of indefinite cosymplectic manifolds, Rend. Semin. Mat. Univ. Padova. 124 (2010), 145-156. https://doi.org/10.4171/rsmup/124-9
  10. S. Ianus and M. Visinescu, Kaluza-Klein theory with scalar fields and generalised Hopf manifolds, Class. Quantam Gravity 4 (1987), 1317-1325. https://doi.org/10.1088/0264-9381/4/5/026
  11. S. Kobayashi, Submersions of CR submanifolds, Tohoku Math. J. 9 (1987), 95-100.
  12. S. Kumar, Geometry warped product lightlike submanifolds of indefinite nearly Kaehler manifolds, J. Geom. 21 (2018), 010001-18.
  13. M. T. Mustafa, Applications of harmonic morphisms to gravity, J. Math. Phys. 41 (2000), 6918-6929. https://doi.org/10.1063/1.1290381
  14. B. O'Neill, Semi-Riemannian Geometry with Applications to Relativity, Academic Press, New York-London, 1983.
  15. B. O'Neill, The fundamental equations of a submersion, Michigan Math. J. 13 (1966), 459-469. https://doi.org/10.1307/mmj/1028999604
  16. B. Sahin, On a submersion between Reinhart lightlike manifolds and semi-Riemannian manifolds, Mediterr. J. Math. 5 (2008), 273-284. https://doi.org/10.1007/s00009-008-0149-y
  17. B. Sahin and Yilmaz Gunduzalp, Submersion from semi-Riemannian manifolds onto lightlike manifolds, Hacet. J. Math. Stat 39 (2010), 41-53.
  18. G. Sharma, S. Kumar, and M. Kumar, On lightlike submersion of radical transversal lightlike submanifolds of a Kaehler manifold, ECS Trans. 107 (2022), no. 1, 10069-10084. https://doi.org/10.1149/10701.10069ecst