Feedback-Conditional 3D Reconstruction of Cosmic Baryons with Flow Matching

arXiv:2610.10741 · astro-ph.CO · Submitted 2026-10-07 · Read on arXiv

astro-ph.CO

Submitted: 2026-10-07

Updated: 2026-10-07

Terminology

• Dispersion Measure — 19× in this paper
• Flow Matching — 12× in this paper · explained in 8 episodes
• Weak Lensing — 5× in this paper · explained in 2 episodes
• Fidelity — 4× in this paper · explained in 2 episodes
• Flow Matching Model — 4× in this paper · explained in 2 episodes
• AGN — 3× in this paper · explained in 1 episode
• Baryonic Feedback — 3× in this paper · explained in 3 episodes
• Generalization — 3× in this paper · explained in 13 episodes
• Generative Model — 3× in this paper · explained in 2 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Bayesian Inference — 2× in this paper · explained in 5 episodes
• Fast Radio Bursts (FRBs) — 2× in this paper · explained in 4 episodes
• AGN Feedback — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Core — 1× in this paper · explained in 2 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• Generative Modeling — 1× in this paper · explained in 3 episodes
• Hybrid Approach — 1× in this paper · explained in 4 episodes
• Inverse Problem — 1× in this paper · explained in 2 episodes
• Matter Power Spectrum — 1× in this paper · explained in 2 episodes
• Metallicity — 1× in this paper · explained in 3 episodes
• N-body simulations — 1× in this paper · explained in 2 episodes
• Observational Selection Effects — 1× in this paper · explained in 2 episodes
• Point Clouds — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Uncertainty Quantification — 1× in this paper · explained in 8 episodes

Sources

• A Catalog of Local Universe Fast Radio Bursts from CHIME/FRB and the KKO Outrigger
• Learning the Universe with the 2nd Generation of CAMELS: Varying 35 parameters of the IllustrisTNG model in (50Mpc/h)^3 boxes
• Evidence for large baryonic feedback at low and intermediate redshifts from kinematic Sunyaev-Zel'dovich observations with ACT and DESI photometric galaxies
• The DSA-2000 -- A Radio Survey Camera
• BaryonBridge: Stochastic Interpolant Model for Fast Hydrodynamical Simulations
• Reconstruction of Continuous Cosmological Fields from Discrete Tracers with Graph Neural Networks
• Flow Matching for Generative Modeling
• Fast Baryonic Field Painting for Sunyaev-Zel'dovich Analyses: Transfer Function vs. Hybrid Effective Field Theory
• The CGM with local universe FRBs: evidence of strong AGN feedback in a massive elliptical galaxy
• Can denoising diffusion probabilistic models generate realistic astrophysical fields?
• Probabilistic reconstruction of Dark Matter fields from biased tracers using diffusion models
• U-Net: Convolutional Networks for Biomedical Image Segmentation
• The Commensal Real-time ASKAP Fast Transient incoherent-sum survey
• Signatures of Suppressed Matter Clustering revealed by Fast Radio Bursts
• Revealing the 3D Cosmic Web through Gravitationally Constrained Neural Fields

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