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Dmitry67

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Suppose, on low energies space is (locally) pseudo-euclidean with the number of spatial dimensions S and time timensions T

In our universe S=3 and T=1

My question: is it possible to 'adjust' equations of GR and QM/QFT to the different S and T? Are there any "no-go" things (like orbit stabilty which, for T=1, is possible only if S=3)? What if T=0 or T>1?