Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1994-04-27
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
5 pages, preprint YCTP-P6-94, to appear in the Lanczos Centenary Proceedings, LaTeX
Scientific paper
The asymptotic behavior of geometry near the boundary of maximal Cauchy development is studied using a perturbative method, which at the zeroth order reduces Einstein's equations to an exactly solvable set of equations---Einstein's equations with all ``space" derivatives dropped. The perturbative equations are solved to an {\em arbitrarily-high order} for the cosmological spacetimes admitting constant-mean-curvature foliation that ends in a crushing singularity, i..e., whose mean curvature blows up somewhere. Using a ``new" set of dynamical variables (generalized Kasner variables) restrictions on the initial data are found that make the zeroth-order term in the expansion asymptotically dominant when approaching the crushing singularity. The results obtained are in agreement with the first order results of Belinskii, Lifshitz and Khalatnikov on general velocity-dominated cosmological singularities, and, in addition, provide clearer geometrical formulation.
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