Strong Gravity News & Events
Oleg Tsupko joins Gr@v
Oleg Tsupko, an expert in several strong gravity topics including lensing and black hole shadows, joins Gr@v as a CEEC researcher from April 2026. Welcome Oleg!
Seminars in Prague
The Gr@v coordinator, C. Herdeiro, visited Prague to deliver two seminars, at CEICO and Charles University. The visit provided a great opportunity to reconnect with friends and colleagues in a city rich in scientific and cultural heritage - home to figures such as Kepler, Tycho Brahe, Einstein, Doppler, Mach, Bolzano, and Kafka. Many thanks to both groups for their kind hospitality and for making this visit possible.
Discussion of the paper "Inspirals into bosonic dark matter stars and chirp mimickers", by Caio F. B. Macedo et al.
Speaker
Manuel Mariano (U. Aveiro)
Event date
Venue
Hybrid: Room 11.2.21 and Microsoft Teams
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Discussion of the paper "Nonlinear Stability of Black Holes with a Stable Light Ring", by Guangzhou Guo et al.
Speaker
Chen Liang (U. Aveiro)
Event date
Venue
Hybrid: Room Sousa Pinto and Microsoft Teams
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Discussion of the paper "Hyperbolicity analysis of the linearised 3+1 formulation in the Teleparallel Equivalent of General Relativity", by Cheng Cheng and Maria Jose Guzman
Speaker
Héctor Olivares (U. Aveiro)
Event date
Venue
Hybrid: Room 11.2.22 and Microsoft Teams
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Discussion of the paper "Image of Kerr-Melvin black hole with thin accretion disk", by Yehui Hou al.
Speaker
Jianzhi Yang (U. Aveiro)
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Venue
Hybrid: Room Sousa Pinto and Microsoft Teams
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Discussion of the paper "Properties of general stationary axisymmetric spacetimes: circularity and beyond", by Eugeny Babichev and Jacopo Mazza
Speaker
Etevaldo Costa Filho (U. Aveiro)
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Venue
Hybrid: Room Sousa Pinto and Microsoft Teams
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Discussion of the paper "Dephasing in binary black hole mergers surrounded by scalar wave dark matter clouds", by Cheng-Hsin Cheng al.
Speaker
José Ferreira (U. Aveiro)
Event date
Venue
Hybrid: Room Sousa Pinto and Microsoft Teams
Ends on
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Accretion beyond the black hole paradigm: a light from within the shadow
Speaker
Maciek Wielgus (Instituto de Astrofísica de Andalucía - CSIC)
Event date
Venue
Hybrid: Sala 11.2.21 and Teams
Event Website
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I will discuss the first 3D-general relativistic magnetohydrodynamic (GRMHD) simulation of sustained accretion onto a horizonless singularity in which matter falls onto the central object rather than being accumulated outside of it or expelled in outflows.