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Favored Variants of Cold Dark Matter Cosmologies
Rachel S. Somerville, Joel R. Primack
We discuss variants of Cold Dark Matter (CDM) dominated cosmological models that give good agreement with a range of observations. We consider models with hot dark matter, tilt, $Ω…
Non-Gaussian Fluctuations and Primordial Black Holes from Inflation
James S. Bullock, Joel R. Primack
We explore the role of non-Gaussian fluctuations in primordial black hole (PBH) formation and show that the standard Gaussian assumption, used in all PBH formation papers to date,…
Statistical Tests for CHDM and \LambdaCDM Cosmologies
S. Ghigna, S. Borgani, M. Tucci +3
We apply several statistical estimators to high-resolution N-body simulations of two currently viable cosmological models: a mixed dark matter model, having contributed b…
Constraining the Power Spectrum using Clusters
S. Borgani, L. Moscardini, M. Plionis +6
(Shortened Abstract). We analyze a redshift sample of Abell/ACO clusters and compare them with numerical simulations based on the truncated Zel'dovich approximation (TZA), for a li…
The Best Theory of Cosmic Structure Formation is Cold + Hot Dark Matter (CHDM)
Joel Primack
I have been asked to make the case here that CHDM is the best theory of cosmic structure formation, and indeed I believe that it is the best of all those I have considered if the c…
Cosmological Structure Formation With and Without Hot Dark Matter
Joel Primack
Cold + Hot Dark Matter (CHDM) is perhaps the best theory of cosmic structure formation {\it if} the cosmological matter density is near critical (i.e., ) and {\it if…