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physics.hist-ph2026
Black Boxes in Black Hole Imaging
Juliusz Doboszewski, Jamee Elder
We investigate the epistemic opacity of computer simulations and machine learning methods in the context of black hole imaging. We argue that there are forms of opacity-including o…
physics.hist-ph2025
How Theory-laden are Observations of Black Holes?
Juliusz Doboszewski, Jamee Elder
We evaluate the roles general relativistic assumptions play in simulations used in recent observations of black holes including LIGO-Virgo and the Event Horizon Telescope. In both…
physics.hist-ph2024
On Penrose's Analogy between Curved Spacetime Regions and Optical Lenses
Dennis Lehmkuhl, Christian Röken, Juliusz Doboszewski
We present a detailed analysis of Penrose's gravito-optical analogy between the focusing effects of particular families of Ricci- and Weyl-curved spacetime regions on the one hand,…