DOI QR코드

DOI QR Code

NONCONSTANT WARPING FUNCTIONS ON EINSTEIN LORENTZIAN WARPED PRODUCT MANIFOLDS

  • Received : 2018.01.31
  • Accepted : 2018.06.20
  • Published : 2018.09.25

Abstract

In this paper, we consider nonconstant warping functions on Einstein Lorentzian warped product manifolds $M=B{\times}_{f^2}F$ with an 1-dimensional base B which has a negative definite metric. As the results, we discuss that on M the resulting Einstein Lorentzian warped product metric is a future (or past) geodesically complete one outside a compact set.

Keywords

Acknowledgement

Supported by : Chosun University

References

  1. A.L. Besse, Einstein manifolds, Springer-Verlag, New York(1987).
  2. J.K. Beem and P.E. Ehrlich, Global Lorentzian geometry, Pure and Applied Mathematics, 67, Dekker, New York(1981).
  3. J.K. Beem, P.E. Ehrlich and K.L. Easley, Global Lorentzian Geometry (2nd ed.), Marcel Dekker, Inc., New York(1996).
  4. J.K. Beem, P.E. Ehrlich and Th.G. Powell, Warped product manifolds in relativity, Selected Studies (Th.M.Rassias, eds.), North-Holland, 1982, 41-56.
  5. D.-S. Kim, Einstein warped product spaces, Honam Mathematical J. 22(1) (2000), pp.107-111.
  6. D.-S. Kim, Compact Einstein warped product spaces, Trends in Mathematics, Information center for Mathematical Sciences, 5(2), December (2002), 1-5.
  7. D.-S. Kim and Y.-H. Kim, Compact Einstein warped product spaces with non-positive scalar curvature, Proc.Amer.Math.Soc., 131(8) (2003), 2573-2576. https://doi.org/10.1090/S0002-9939-03-06878-3
  8. B. O'Neill, Semi-Riemannian Geometry, Academic, New York(1983).
  9. T.G. Powell, Lorentzian manifolds with non-smooth metrics and warped products, ph. D. thesis, Univ. of Missouuri-Columbia(1982).