Projective collineations of decomposable spacetimes generated by the Lie point symmetries of geodesic equations
arXiv:2106.02913 · doi:10.3390/sym13061018
Abstract
We investigate the relation of the Lie point symmetries for the geodesic equations with the collineations of decomposable spacetimes. We review previous results in the literature on the Lie point symmetries of the geodesic equations and we follow a previous proposed geometric construction approach for the symmetries of differential equations. In this study we prove that the projective collineations of a % -dimensional decomposable Riemannian space are the Lie point symmetries for geodesic equations of the -dimensional subspace. We demonstrate the application of our results with the presentation of applications.
arXiv comment26 pages, to appear in Symmetry
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