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| Paper IPM / P / 6546 |
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| Abstract: | |||||
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Inhomogeneous multidimensional cosmological models with a higher-dimensional
space-time manifold M=M0×∏i=1n Mi (n ≥ 1) are investigated
under dimensional reduction to tensor-multiscalar theories. In the Einstein
conformal frame, these theories take the shape of a flat σ model. For
the singular case where M0 is two dimensional, the dimensional reduction to
dilaton gravity is preformed with different distinguished representations of
the action.
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