Implicit inference of the reionization history with higher-order statistics of the 21-cm signal

arXiv:2511.11568 · astro-ph.CO · Submitted 2025-11-14 · Read on arXiv

astro-ph.CO

Submitted: 2025-11-14

Updated: 2026-09-02

Terminology

• Bispectrum — 31× in this paper · explained in 3 episodes
• 21-cm signal — 21× in this paper · explained in 1 episode
• Higher-order statistics — 20× in this paper · explained in 2 episodes
• Calibration — 9× in this paper · explained in 7 episodes
• Epoch of Reionization — 3× in this paper
• Non-Gaussianity — 3× in this paper · explained in 2 episodes
• 21-cm Power Spectrum — 2× in this paper · explained in 1 episode
• Accuracy — 2× in this paper · explained in 1 episode
• Robustness — 2× in this paper · explained in 5 episodes
• Square Kilometre Array Observatory — 2× in this paper
• Anisotropy — 1× in this paper · explained in 3 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Initial Data — 1× in this paper · explained in 2 episodes
• Latent Space — 1× in this paper · explained in 7 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes
• Simulation-based Inference — 1× in this paper · explained in 2 episodes

Sources

• Simulation based inference of the ionization history from the 2D 21 cm power spectrum
• The Cosmic Dawn and Epoch of Reionization with the Square Kilometre Array
• Sampling-Based Accuracy Testing of Posterior Estimators for General Inference
• HI tomographic imaging of the Cosmic Dawn and Epoch of Reionization with SKA
• Limits on the 21 cm power spectrum at z=6.5-7.0 from MWA observations
• Fast $\epsilon$-free Inference of Simulation Models with Bayesian Conditional Density Estimation
• Direct reconstruction of the Reionization history from 21cm 2D Power Spectra

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