Let us say, that we have a curved spacetime, for instance, Schwarzschild metric. Can it be embedded in five dimensional noncurved Lorentzian spacetime, or we need six dimensional Lorentzian spacetime with two time dimensions?(adsbygoogle = window.adsbygoogle || []).push({});

Books only write that it is not necessary that this space is embedded in more dimensional spacetime, but it is not written, how it is when it IS embedded.

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# I Curved spacetime embedded in noncurved spacetime

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