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Cosmological Implications of Lyman-Break Galaxy Clustering
Risa H. Wechsler, Michael A. K. Gross, Joel R. Primack +3
We review our analysis of the clustering properties of ``Lyman-break'' galaxies (LBGs) at redshift z~3, previously discussed in Wechsler et al (1998). We examine the likelihood of…
Wiener Reconstruction of Large-Scale Structure from Peculiar Velocities
Saleem Zaroubi, Yehuda Hoffman, Avishai Dekel
We present an alternative, Bayesian method for large-scale reconstruction from observed peculiar velocity data. The method stresses a rigorous treatment of the random errors and it…
Galaxy Biasing: Nonlinear, Stochastic and Measurable
Avishai Dekel
I describe a general formalism for galaxy biasing (Dekel & Lahav 1998) and its application to measurements of beta (=Omega^0.6/b), e.g. via direct comparisons of light and mass and…
Stochastic Nonlinear Galaxy Biasing
Avishai Dekel, Ofer Lahav
We propose a general formalism for galaxy biasing and apply it to methods for measuring cosmological parameters, such as regression of light versus mass, the analysis of redshift d…
A Local Hubble Bubble from SNe Ia?
Idit Zehavi, Adam G. Riess, Robert P. Kirshner +1
We analyze the monopole in the peculiar velocities of 44 Type Ia supernovae (SNe Ia) to test for a local void. The sample extends from 20 to 300 Mpc/h, with distances, deduced from…