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astro-ph2008★ 1.8k cited
Toward a halo mass function for precision cosmology: the limits of universality
Jeremy L Tinker, Andrey V Kravtsov, Anatoly Klypin +5
We measure the mass function of dark matter halos in a large set of collisionless cosmological simulations of flat LCDM cosmology and investigate its evolution at z<~2. Halos are i…
astro-ph2008★ 24 cited
Peculiar Velocities into the Next Generation: Cosmological Parameters From Large Surveys without Bias from Nonlinear Structure
Alexandra Abate, Sarah Bridle, Luis F. A. Teodoro +2
We investigate methods to best estimate the normalisation of the mass density fluctuation power spectrum (sigma_8) using peculiar velocity data from a survey like the Six degree Fi…