2 papers
astro-ph2002
The shape of a small universe: signatures in the cosmic microwave background
R. Bowen, P. G. Ferreira
We consider the most general parametrization of flat topologically compact universes, complementing the work of Scannapieco, Levin and Silk to include non-trivial shapes. We find t…
astro-ph2002
Topology of the universe from COBE-DMR; a wavelet approach
G. Rocha, L. Cayon, R. Bowen +4
In this paper we pursue a new technique to search for evidence of a finite Universe, making use of a spherical mexican-hat wavelet decomposition of the microwave background fluctua…