Skip to main content
Log in

B.-Y. Chen’s Inequality for Bi-warped Products and Its Applications in Kenmotsu manifolds

  • Published:
Mediterranean Journal of Mathematics Aims and scope Submit manuscript

Abstract

In this paper, we establish a sharp inequality for the squared norm of the second fundamental form of bi-warped product submanifolds of Kenmotsu manifolds. The equality case is also considered. We also provide a non-trivial example and some applications of derived inequality.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Al-Solamy, F.R., Naghi, M.F., Uddin, S.: Geometry of warped product pseudo-slant submanifolds of Kenmotsu manifolds. Quaestiones Math. (2018). https://doi.org/10.2989/16073606.2018.1452800

  2. Arslan, K., Ezentas, R., Mihai, I., Murathan, C.: Contact CR-warped product submanifolds in Kenmotsu space forms. J. Korean Math. Soc. 42, 1101–1110 (2005)

    Article  MathSciNet  Google Scholar 

  3. Atceken, M.: Warped product semi-slant submanifolds in Kenmotsu manifolds. Turk. J. Math. 36, 319–330 (2012)

    Google Scholar 

  4. Baker, J.P.: Twice warped products M.Sc. Thesis. Univesity of Missouri-Columbia, Columbia, MO (1997)

  5. Bishop, R.L., O’Neill, B.: Manifolds of negative curvature. Trans. Amer. Math. Soc. 145, 1–49 (1969)

    Article  MathSciNet  Google Scholar 

  6. Blair, D.E.: Contact manifolds in Riemannian geometry, Lecture Notesin Mathematics, vol. 509. Springer, New York (1976)

    Book  Google Scholar 

  7. Cabrerizo, J.L., Carriazo, A., Fernandez, L.M., Fernandez, M.: Slant submanifolds in Sasakian manifolds. Glasgow Math. J. 42, 125–138 (2000)

    Article  MathSciNet  Google Scholar 

  8. Chen, B.-Y.: Slant immersions. Bull. Austral. Math. Soc. 41, 135–147 (1990)

    Article  MathSciNet  Google Scholar 

  9. Chen, B.-Y.: Geometry of slant submanifolds. Katholieke Universiteit Leuven, Leuven (1990)

    MATH  Google Scholar 

  10. Chen, B.-Y.: Geometry of warped product CR-submanifolds in Kaehler manifolds. Monatsh. Math. 133, 177–195 (2001)

    Article  MathSciNet  Google Scholar 

  11. Chen, B.-Y.: Geometry of warped product CR-submanifolds in Kaehler manifolds II. Monatsh. Math. 134, 103–119 (2001)

    Article  MathSciNet  Google Scholar 

  12. Chen, B.-Y.: Pseudo-Riemannian geometry, \(\delta \)-invariants and applications. World Scientific, Hackensack (2011)

    Book  Google Scholar 

  13. Chen, B.-Y.: Geometry of warped product submanifolds: a survey. J. Adv. Math. Stud. 6(2), 1–43 (2013)

    MathSciNet  MATH  Google Scholar 

  14. Chen, B.-Y.: Differential geometry of warped product manifolds and submanifolds. World Scientific, Hackensack (2017)

    Book  Google Scholar 

  15. Chen, B.-Y., Dillen, F.: Optimal inequalities for multiply warped product submanifolds. Int. Electron. J. Geom. 1(1), 1–11 (2008)

    MathSciNet  MATH  Google Scholar 

  16. Chen, B.-Y., Uddin, S.: Warped product pointwise bi-slant submanifolds of Kaehler manifolds. Publ. Math. Debrecen 92(1–2), 183–199 (2018)

    Article  MathSciNet  Google Scholar 

  17. Chen, B.-Y.: Geometry of warped product and CR-warped product submanifolds in Kaehler manifolds: modified version, arXiv:1806.11102v1 [math.DG]

  18. Dobarro, F., Unal, B.: Curvature of multiply warped products. J. Geom. Phys. 55, 75–106 (2005)

    Article  MathSciNet  Google Scholar 

  19. Hasegawa, I., Mihai, I.: Contact CR-warped product submanifolds in Sasakian manifolds. Geom. Dedicata 102, 143–150 (2003)

    Article  MathSciNet  Google Scholar 

  20. Kenmotsu, K.: A class of almost contact Riemannian manifolds. Tohoku Math. J. 24, 93–103 (1972)

    Article  MathSciNet  Google Scholar 

  21. Matsumoto, K., Mihai, I.: Warped product submanifolds in quaternion space forms. Acta Univ. Apulensis Math. Inform. 10, 31–38 (2005)

    MathSciNet  MATH  Google Scholar 

  22. Matsumoto, K., Mihai, I.: Warped product submanifolds in Sasakian space forms. SUT J. Math. 38(2), 135–144 (2002)

    MathSciNet  MATH  Google Scholar 

  23. Murathan, C., Arslan, K., Ezentas, R., Mihai, I.: Warped product submanifolds in Kenmotsu space forms. Taiwanese J. Math. 10(6), 1431–1441 (2006)

    Article  MathSciNet  Google Scholar 

  24. Mustafa, A., De, A., Uddin, S.: Characterization of warped product submanifolds in Kenmotsu manifolds. Balkan J. Geom. Appl. 20, 86–97 (2015)

    MathSciNet  MATH  Google Scholar 

  25. Nolker, S.: Isometric immersions of warped products. Differ. Geom. Appl. 6(1), 1–30 (1996)

    Article  MathSciNet  Google Scholar 

  26. Olteanu, A.: Multiply warped product submanifolds in Kenmotsu space forms. Bull. Inst. Math. Acad. Sinica 5(2), 201–214 (2010). (New Series)

    MathSciNet  MATH  Google Scholar 

  27. Tastan, H.M.: Biwarped product submanifolds of a Kaehler manifold, arXiv:1611.08469 [math.DG]

  28. Uddin, S., Khan, V.A., Khan, K.A.: Warped product submanifolds of a Kenmotsu manifold. Turk. J. Math. 36, 319–330 (2012)

    MathSciNet  MATH  Google Scholar 

  29. Uddin, S.: Geometry of warped product semi-slant submanifolds of Kenmotsu manifolds. Bull. Math. Sci. (2017). https://doi.org/10.1007/s13373-017-0106-9

    Article  MATH  Google Scholar 

  30. Uddin, S., Chen, B.-Y., Al-Solamy, F.R.: Warped product bi-slant immersions in Kaehler manifolds. Mediterr. J. Math. 14, 95 (2017). https://doi.org/10.1007/s00009-017-0896-8

    Article  MathSciNet  MATH  Google Scholar 

  31. Uddin, S., Al-Solamy, F.R.: Warped product pseudo-slant immersions in Sasakian manifolds. Publ. Math. Debrecen 91(3–4), 331–348 (2017)

    Article  MathSciNet  Google Scholar 

  32. Uddin, S., Naghi, M.F., Al-Solamy, F.R.: Another class of warped product submanifoldsof Kenmotsu manifolds. RACSAM (2017). https://doi.org/10.1007/s13398-017-0415-6

    Article  Google Scholar 

  33. Unal, B.: Multiply warped products. J. Geom. Phys. 34(3), 287–301 (2000)

    Article  MathSciNet  Google Scholar 

  34. Yano, K., Kon, M.: Structures on manifolds, Series in Pure Mathematics. World Scientific Publishing Co., Singapore (1984)

    MATH  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Siraj Uddin.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Uddin, S., Al-Solamy, F.R., Shahid, M.H. et al. B.-Y. Chen’s Inequality for Bi-warped Products and Its Applications in Kenmotsu manifolds. Mediterr. J. Math. 15, 193 (2018). https://doi.org/10.1007/s00009-018-1238-1

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/s00009-018-1238-1

Mathematics Subject Classification

Keywords

Navigation