Paper:	On the Formation of Small Groups of Galaxies at High Redshifts
Volume:	209, Small Galaxy Groups, IAU Colloquium 174
Page:	412
Authors:	Saslaw, William C.
Abstract:	Cosmological many-body clustering agrees with the spatial and velocity distribution functions of galaxies at low redshifts, and it can be extended to high redshifts z ≅ 3 or more. The high redshift distribution functions are predicted to have a particular form. In the simplest case, there are no free parameters in this prediction, but the degree of clustering depends sensitively on Ω0. Current observations of small groups at high redshifts suggest that Ω0 = 0.3 +/- 0.2 for Einstein-Friedmann cosmologies.

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