Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1999-06-13
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
8 pages in LaTeX, to appear in Reports on Mathematical Physics
Scientific paper
The Euler-Lagrange equations for some class of gravitational actions are
calculated by means of Palatini principle. Polynomial structures with Einstein
metrics appear among extremals of this variational problem.
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