Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2005-06-08
Int.J.Mod.Phys. D14 (2005) 1675-1684
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
12 pages, accepted for publication in Int. J. of Mod. Phys. D
Scientific paper
10.1142/S0218271805007322
Matter collineations of locally rotationally symmetric spacetimes are considered. These are investigated when the energy-momentum tensor is degenerate. We know that the degenerate case provides infinite dimensional matter collineations in most of the cases. However, an interesting case arises where we obtain proper matter collineations. We also solve the constraint equations for a particular case to obtain some cosmological models.
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