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Black Holes & Strong Gravity

Extracting physical insight from observational and simulation data to study black holes, extreme plasma physics, and strong-gravity environments. We develop computational methods for Very Large Baseline Interferomery (VLBI) imaging of event horizons, polarization-based inference of galactic flares, and machine-learning models that learn plasma dynamics from complex simulations.

Neural Dynamic Modes: Computational Imaging of Dynamical Systems from Sparse Observations
arXiv 2025 SaraerToosi, Tu et al.
Effective Resistivity in Relativistic Reconnection: A Prescription Based on Fully Kinetic Simulations
The Astrophysical Journal Letters 2025 Moran et al.
Orbital Polarimetric Tomography of a Flare Near the Sagittarius A* Supermassive Black Hole
Nature Astronomy 2024 Levis et al.
First Sagittarius A* Event Horizon Telescope Results (I–VI)
The Astrophysical Journal Letters 2022 Collaboration
Gravitationally Lensed Black Hole Emission Tomography
CVPR 2022 Levis et al.
Inference of Black Hole Fluid-Dynamics from Sparse Interferometric Measurements
Proc. IEEE/CVF ICCV 2021 Levis et al.
Date Title First Authors Venue
Jul 2025 Neural Dynamic Modes: Computational Imaging of Dynamical Systems from Sparse Observations
Ali SaraerToosi, Renbo Tu, Kamyar Azizzadenesheli, Aviad Levis
SaraerToosi, Tu et al. arXiv
Jan 2025 Effective Resistivity in Relativistic Reconnection: A Prescription Based on Fully Kinetic Simulations
Abigail Moran, Lorenzo Sironi, Aviad Levis, Bart Ripperda, Elias R. Most, Sebastiaan Selvi
Moran et al. The Astrophysical Journal Letters
Jun 2024 Orbital Polarimetric Tomography of a Flare Near the Sagittarius A* Supermassive Black Hole
Aviad Levis, Andrew A. Chael, Katherine L. Bouman, Maciek Wielgus, Pratul P. Srinivasan
Levis et al. Nature Astronomy
May 2022 First Sagittarius A* Event Horizon Telescope Results (I–VI)
Event Horizon Telescope Collaboration
Collaboration The Astrophysical Journal Letters
Mar 2022 Gravitationally Lensed Black Hole Emission Tomography
Aviad Levis, Pratul P. Srinivasan, Andrew A. Chael, Ren Ng, Katherine L. Bouman
Levis et al. CVPR
Oct 2021 Inference of Black Hole Fluid-Dynamics from Sparse Interferometric Measurements
Aviad Levis, Daeyoung Lee, Joel A. Tropp, Charles F. Gammie, Katherine L. Bouman
Levis et al. Proc. IEEE/CVF ICCV