Simulation-based inference benchmark for weak lensing cosmology

Open Access

Table 1.

Prior and fiducial values used for our inference benchmark.

Parameter	Prior	Fiducial value
Ω_c	$N_{T [0, + \infty]} (0.2664, 0.2)$ ${\cal {{N}}}_{T[0, +\infty ]} (0.2664, 0.2)$	0.2664
Ω_b	$N (0.0492, 0.006)$ ${\cal {{N}}} (0.0492, 0.006)$	0.0492
σ₈	$N (0.831, 0.14)$ ${\cal {{N}}} (0.831, 0.14)$	0.8310
h₀	$N (0.6727, 0.063)$ ${\cal {{N}}} (0.6727, 0.063)$	0.6727
n_s	$N (0.9645, 0.08)$ ${\cal {{N}}} (0.9645, 0.08)$	0.9645
w₀	$N_{T [- 2.0, - 0.3]} (- 1.0, 0.9)$ ${\cal {{N}}}_{T[-2.0, -0.3]} (-1.0, 0.9)$	–1.0

Notes. Prior p(θ) used in our forward model and fiducial values used for our inference benchmark. $N_{T [low, high]}$ ${\cal {{N}}}_{T[{\mathrm {low}}, \; {\mathrm {high}}]}$ refers to truncated normal distributions between low and high. The priors and fiducial values are the same as LSST DESC SRD.

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