Showing 1996Show all
2 papers · 1 filter
gr-qc1996
On Relativistic Perturbations of Second and Higher Order
M. Bruni, S. Matarrese, S. Mollerach +1
We present the results of a study of the gauge dependence of spacetime perturbations. In particular, we consider gauge invariance in general, we give a generating formula for gauge…
gr-qc1996
Singularities in Silent Universes: State of the Art
M. Bruni, H. van Elst, C. Uggla
After a brief overview of the so-called silent models and their present status, we consider the subclass of Bianchi Type--I models with a magnetic field source. Due to the presence…