Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-12-22
Grav.Cosmol. 10 (2004) 305-312
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
17 pages, LaTeX. The paper is intended mainly for pedagogical purposes and represents a collection of exercises concerning loc
Scientific paper
Local conformal transformations are known as a useful tool in various applications of the gravitational theory, especially in cosmology. We describe some new aspects of these transformations, in particular using them for derivation of Einstein equations for the cosmological and Schwarzschild metrics. Furthermore, the conformal transformation is applied for the dimensional reduction of the Gauss-Bonnet topological invariant in $d=4$ to the spaces of lower dimensions.
Carneiro D. F.
de Lima A. G.
Freiras E. A.
Goncalves Bruno
Shapiro Ilya L.
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