• 14 July 1997
Abstract
Recent observations show a large concentration of galaxies at high redshift. At first sight the presence of such a large structure seems to be in contradiction with the models of structure formation. In this paper we show that such structures are not unnatural and exist even in the simplest of models. These result from the strong clustering of high peaks of density field. We compute the frequency of occurrence of such large concentrations of galaxies in some models of structure formation.

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