Fig. 6
Cosmic variance of the curvature parameter. Left panel: dependence of 
on the opening angle of the cone-like survey geometry of Fig. 2 for different top hat depths of the survey. Right panel: dependence of on the depth of the survey. For a small cone of 6° opening angle we expect curvature fluctuations of 10% up to 450 h-1 Mpc.
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