Author

L. Tortorelli

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Review Sep 2026

Data-driven Galaxy Population Prior for Photometric Redshifts

Stage-IV cosmological surveys rely on well-characterised photometric redshift distributions for constraining cosmological models, yet the projected weak lensing requirements are about an order of magnitude more accurate than current state-of-the-art methods. Any photometric redshift inference depends - explicitly or im...

Nikolas Frediani, D. Gruen, L. Tortorelli et al. · 0 citations

Preprint Sep 2026

Anisotropic redshift distributions in photometric galaxy clustering and their cosmological impact

Photometric galaxy clustering is a major probe of large-scale structure whose interpretation relies on accurate characterization of the galaxy redshift distribution, $n(z)$. Standard analyses assume the $n(z)$ of a selected lens sample to be isotropic, whereas observational systematics can imprint spatial variations. W...

Ze-Kang Zhang, Yun-He Wang, D. Gruen et al. · 0 citations