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Results tagged with general-relativity
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user 11885
For questions about mathematical problems arising from general relativity, the branch of physics which provides and studies the currently accepted geometric description of gravity.
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Dimension of the space of null geodesics
For a Minkowski space $M^n$ the dimension of the null geodesics is $2n-3$. It is naturally a contact manifold (for general Lorentzian space in general relativity you need a condition for the space of …
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