Image Details
Caption: Fig. 1.
Density threshold ﹩\delta _{x}( \sigma ^{2},z) ﹩ at several different redshifts, assuming ﹩\zeta =40﹩. The curves are for ﹩z=20﹩, 16, and 12, from top to bottom. Within each set, the solid curve is the true ﹩\delta _{x}( m,z) ﹩ and the dashed line is the fit ﹩B( m,z) ﹩.
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