Submanifolds in spacetime with an auxiliary unphysical extra dimension and four-dimensional open and closed FRW universes
classification
🌀 gr-qc
keywords
closedfour-dimensionalmetricsopensubmanifoldsuniversesappropriateauxiliary
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The explicit coordinate transformations which show the equivalence between the FRW metrics of four-dimensional open and closed universes and the metrics induced on appropriate submanifolds in a five-dimensional pseudo-Euclidean space-time are presented.
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