Form invariant transformations between n- and m-dimensional flat friedmann-robertson-walker cosmologies

We illustrate how a group of symmetry transformations, which preserve the form of the n-dimensional flat Friedmann-Robertson-Walker cosmologies satisfying Einstein's equations, act in any dimension. This group relates the energy density and the isotropic pressure of the cosmic fluid to the expa...

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Autores principales: Cataldo, M., Chimento, L.P.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_02182718_v17_n11_p1981_Cataldo
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