26 citations · 41 across the 4 of their papers we have counts for
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astro-ph2007★ 26 cited
Constraints on time variation of fine structure constant from WMAP-3yr data
Petruta Stefanescu
This paper presents the constraints on the time variation of the fine structure constant at recombination relative to its present value, Delta_alpha = (alpha_rec-alpha_0) / alpha_0…
astro-ph1998★ 3 cited
Genus statistics on CMB polarization maps and cosmological parameters degeneracy
L. Popa, P. Stefanescu, R. Fabbri
We applay the genus statistics to simulated CMB polarization maps, constructed from the secondary-ionization cosmological models in experimental situations comparable to those of f…