Petrov type I silent universes with G3 isometry group: the uniqueness result recovered
General Relativity and Quantum Cosmology
2009-11-11 v2
Abstract
The \emph{silent universe conjecture} (Sopuerta 1997, van Elst et al. 1997) states that the only algebraically general silent universes are the orthogonally spatially homogeneous Bianchi I models. In the same paper by Sopuerta this was confirmed for the subcase where the spacetime also admits a group G3 of isometries. However the proof contains a conceptual mistake. We recover the result in a different way.
Cite
@article{arxiv.gr-qc/0508092,
title = {Petrov type I silent universes with G3 isometry group: the uniqueness result recovered},
author = {Lode Wylleman and Norbert Van den Bergh},
journal= {arXiv preprint arXiv:gr-qc/0508092},
year = {2009}
}
Comments
5 pages, no figures