Covariance shrinkage for cosmological inference with Sellentin-Heavens-type likelihoods

arXiv:2606.18446 · astro-ph.CO, astro-ph.IM, stat.ME · Submitted 2026-06-16 · Read on arXiv

Mattera Raffaele

astro-ph.CO, astro-ph.IM, stat.ME

Submitted: 2026-06-16

Code: https://github.com/raffmattera/cosmo-shrinkage-inference

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 13× in this paper · explained in 7 episodes
• Benchmark — 5× in this paper · explained in 2 episodes
• Empirical Coverage — 2× in this paper · explained in 2 episodes
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Uncertainty Quantification — 1× in this paper · explained in 8 episodes

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