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Poincaré dodecahedral space parameter estimates
Astronomy and Astrophysics
We aim to improve the surface of last scattering (SLS) optimal cross-correlation method in order to refine estimates of the Poincaré dodecahedral space (PDS) cosmological parameters. We analytically derive the formulae required to exclude points on the sky that cannot be members of close SLS-SLS cross-pairs. These enable more efficient pair selection without sacrificing uniformity of the underlying selection process. In certain cases this decreases the calculation time and increases the numberdoi:10.1051/0004-6361:200810685 fatcat:x5phcgjecjdefpxqk42m7hqr4y