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CDM-Variant Cosmological Models - I: Simulations and Preliminary Comparisons
Michael A. K. Gross, Rachel S. Somerville, Joel R. Primack +2
We present two matched sets of five simulations each, covering five presently favored simple modifications to the standard cold dark matter (CDM) scenario. One simulation suite, wi…
Implications of Spikes in the Redshift Distribution of Galaxies
Risa H. Wechsler, Michael A. K. Gross, Joel R. Primack +2
We address the high peaks found by Steidel et al (1997) in the redshift distribution of ``Lyman-break'' objects (LBOs) at redshift z~3. The highest spike represents a relative over…
Clusters in Various Cosmological Models: Abundance and Evolution
Michael A. K. Gross, Rachel S. Somerville, Joel R. Primack +2
The combination of measurements of the local abundance of rich clusters of galaxies and its evolution to higher redshift offers the possibility of a direct measurement of wit…
The Cores of Dark Matter Dominated Galaxies: theory vs. observations
Andrey V. Kravtsov, Anatoly A. Klypin, James S. Bullock +1
We use the rotation curves of a sample of dark matter dominated dwarf and low-surface brightness (LSB) late-type galaxies to study their radial mass distributions. We find that the…
Dark Matter and Structure Formation in the Universe
Joel R. Primack
This chapter aims to present an introduction to current research on the nature of the cosmological dark matter and the origin of galaxies and large scale structure within the stand…
Linearizing the Observed Power Spectrum
Clay Smith, Anatoly Klypin, Michael Gross +2
Reconstruction of the linear power spectrum from observational data provides a way to compare cosmological models to a large amount of data, as Peacock & Dodds (1994, 1996) have sh…