Abstract
Some points of the past Big Bang in the closed fourdimensional Friedman-model are found to be identical with points of the future collapse according to the bundle-boundary definition.
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References
Schmidt, B.G.: GRG1, 269 (1971)
Kobayashi, S., Nomizu, K.: Foundations of differential geometry, Vol. I. New York: Interscience 1963
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Communicated by J. Ehlers
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Bosshard, B. On theb-boundary of the closed Friedman-model. Commun.Math. Phys. 46, 263–268 (1976). https://doi.org/10.1007/BF01609123
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DOI: https://doi.org/10.1007/BF01609123