Exhaustive symbolic regression on mock weak lensing excess surface density data recovers NFW profiles at 5% fractional errors with as few as 20 clusters but favors simpler functions at higher uncertainties because errors are smallest in the outskirts.
(10.1007/s00159-020-00129-w)
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Joint lensing-kinematics analysis of nine CLASH clusters constrains chameleon gravity, yielding GR-consistent bounds for NFW and Hernquist profiles and |f_R| ≲ 2-5×10^{-5} for f(R) models.
A masked and initialized variant of Kaiser-Squires weak lensing inversion recovers cluster mass maps with residuals below 0.02 sigma in unmasked nonlinear regions on simulated data without shape noise.
citing papers explorer
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Constraining dark matter halo profiles with symbolic regression
Exhaustive symbolic regression on mock weak lensing excess surface density data recovers NFW profiles at 5% fractional errors with as few as 20 clusters but favors simpler functions at higher uncertainties because errors are smallest in the outskirts.
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CLASH-VLT: The Fifth Force in Chameleon Gravity from Joint Lensing and Kinematics Cluster Mass Profiles
Joint lensing-kinematics analysis of nine CLASH clusters constrains chameleon gravity, yielding GR-consistent bounds for NFW and Hernquist profiles and |f_R| ≲ 2-5×10^{-5} for f(R) models.
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Nonlinear Weak Lensing reconstruction for Galaxy Clusters
A masked and initialized variant of Kaiser-Squires weak lensing inversion recovers cluster mass maps with residuals below 0.02 sigma in unmasked nonlinear regions on simulated data without shape noise.