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We prove a splitting theorem for stably causal spacetimes and another splitting theorem for finitely compact spacetimes admitting a proper time synchronizable reference frame. 相似文献
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M. Ulanovskii 《General Relativity and Gravitation》1999,31(12):1813-1820
We show that to any convex function f:
n
there correspondinfinitely many geodesically complete metricsds2 such that Ric() 0 for anynonspacelike vector . These metrics are constructedas the warped products of the natural metric in and the inner metric of a convexhyperface (the graph of f) in
n + 1. 相似文献
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