Mathematics – Logic
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...284..439p&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 284, Sept. 15, 1984, p. 439-444. NSF-supported research.
Mathematics
Logic
333
Astronomical Models, Cosmology, Adiabatic Conditions, Density Distribution, Galactic Evolution, Perturbation Theory
Scientific paper
The inflationary scenario requires that the universe have negligible curvature along constant-density surfaces. In the Friedmann-Lemaitre cosmology that leaves us with two free parameters, Hubble's constant H0 and the density parameter Ω0 (or, equivalently, the cosmological constant Λ). The author discusses here tests of this set of models from local and high-redshift observations. The data agree reasonably well with Ω0 ≡ 0.2.
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