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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Lorentzian manifolds of nonpositive curvature. II
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by F. J. Flaherty PDF
Proc. Amer. Math. Soc. 48 (1975), 199-202 Request permission

Abstract:

Suppose that $M$ is a time oriented, future $1$-connected, timelike and null geodesically complete Lorentzian manifold. Previously, we have shown the exponential map at any point of such a manifold embeds the future cone into $M$ when $M$ has nonpositive spacetime curvatures. Here we want to demonstrate that under the same hypotheses, $M$ is homeomorphic to the product of the real line with a Cauchy hypersurface.
References
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  • F. J. Flaherty, Lorentzian manifolds of nonpositive curvature, Differential geometry (Proc. Sympos. Pure Math., Vol. XXVII, Part 2, Stanford Univ., Stanford, Calif., 1973) Amer. Math. Soc., Providence, R.I., 1975, pp. 395–399. MR 0643822
  • Robert Geroch, Domain of dependence, J. Mathematical Phys. 11 (1970), 437–449. MR 270697, DOI 10.1063/1.1665157
  • S. W. Hawking and G. F. R. Ellis, The large scale structure of space-time, Cambridge Monographs on Mathematical Physics, No. 1, Cambridge University Press, London-New York, 1973. MR 0424186
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  • J. Wolfgang Smith, Fundamental groups on a Lorentz manifold, Amer. J. Math. 82 (1960), 873–890. MR 120600, DOI 10.2307/2372946
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Additional Information
  • © Copyright 1975 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 48 (1975), 199-202
  • MSC: Primary 53C50
  • DOI: https://doi.org/10.1090/S0002-9939-1975-0643823-1
  • MathSciNet review: 0643823