Astrophysical Population Coordinates for Supermassive Black Hole Binaries in Pulsar Timing Array Inference

arXiv:2607.12427 · astro-ph.HE, astro-ph.GA · Submitted 2026-07-14 · Read on arXiv

Yikun Li, Muhammad Ahmad, Shaoguang Guo, Lang Cui

astro-ph.HE, astro-ph.GA

Submitted: 2026-07-14

Code: https://github.com/l46430640-del/PTA_HGNN_SBI_

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

Terminology

• Abundance — 7× in this paper · explained in 1 episode
• Alignment — 7× in this paper · explained in 1 episode
• Anisotropy — 4× in this paper · explained in 3 episodes
• Calibration — 3× in this paper · explained in 7 episodes
• pulsar timing arrays — 3× in this paper · explained in 2 episodes
• Empirical Coverage — 2× in this paper · explained in 2 episodes
• Frequency Dependence — 2× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Clustering — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Non-Gaussianity — 1× in this paper · explained in 2 episodes
• Normalizing Flow — 1× in this paper · explained in 3 episodes

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