26 citations · 40 across the 5 of their papers we have counts for
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gr-qc2025★ 4 cited
Overlapping of photon rings in black hole imaging
Oleg Yu. Tsupko, Fabio Aratore, Volker Perlick
In this paper, we investigate the overlapping of photon rings - higher-order images of a black hole's luminous environment, concentrated near the shadow boundary and expected to be…
gr-qc2025★ 10 cited
Interferometric signature of higher-order images in a parametrized framework
Fabiano Feleppa, Fabio Aratore, Valerio Bozza
This paper investigates gravitational lensing in the strong deflection limit, focusing particularly on higher-order images produced near compact objects such as black holes and the…