Showing gr-qcShow all
2 papers · 1 filter
gr-qc1999
Is Supernovae Data in Favour of Isotropic Cosmologies?
Mariusz P. Dabrowski
Most of the observational claims in cosmology are based on the assumption that the universe is isotropic and homogeneous so they essentially test different types of Friedmann model…
gr-qc1998
String Cosmology and Chaos
John D. Barrow, Mariusz P. Dabrowski
We investigate Bianchi type IX ''Mixmaster'' universes within the framework of the low-energy tree-level effective action for string theory, which (when the ''stringy'' 2-form axio…