RAGTIME 21

The presentations will take place at the Hauerova University Building (see section Contacts for more information).

Invited speakers

Hackmann, Eva (ZARM, University of Bremen)
Kluźniak, Włodek (Nicolaus Copernicas Astronimcal Center, Warsaw, Poland)
Karas, Vladimír (Astronomical Institute, Academy of Sciences of the Czech Republic, Prague, Czech Republic)
Rueda, Jorge A. (ICRANet, Pescara, Italy; ICRA, Dipartimento di Fisica, Università di Roma Sapienza, Rome, Italy and INAF, Istituto de Astrofisica e Planetologia Spaziali, Rome, Italy)
Ruffini, Remo (ICRANet, Pescara, Italy; ICRA, Dipartimento di Fisica, Università di Roma Sapienza, Rome, Italy and INAF, Rome, Italy)
Wielgus, Maciek (Center for Astrophysics at Harvard & Smithsonian, Cambridge, Massachusetts, USA and Black Hole Initiative at Harvard University, Cambridge, Massachusetts, USA)

Afternoon Session

Chair: Claudio Cremaschini
14:00-14:15 Conference Opening
14:15-15:00 Zdeněk Stuchlík: Magnetized black holes: ionized Keplerian disks and acceleration of ultra-high energy particles (40+5)
15:00-15:30 Tayebeh Tahamtan: Scalar field with Nonlinear Electrodynamics (25+5)
15:30-16:00 Coffee Break
Chair: Zdeněk Stuchlík
16:00-16:45 Massimo Tessarotto: Role of Quantum Entropy and Establishment of H-Theorems in the Presence of Graviton Sinks for Manifestly-Covariant Quantum Gravity (40+5)
16:45-17:15 Claudio Cremaschini: The quantum origin of cosmological constant in manifestly-covariant quantum gravity (25+5)

Morning Session

Chair: Jiří Horák
09:30-10:00 Roman Konoplya: General parametrization for spherical and axial black holes and representation of numerical black-hole solutions in analytical form (25+5)
10:00-10:45 Eva Hackmann: Effects of weak electromagnetic fields in analytical accretion disk models (40+5)
10:45-11:00 Coffee Break
11:00-11:30 Hernando Quevedo: The matching problem in relativistic astrophysics (25+5)
11:30-12:00 Piotr Homola: Cosmic Ray Extremely Distributed Observatory: a novel astrophysical instrument the theorists might want to keep in mind (25+5)
12:00-14:00 Lunch

Afternoon Session

Chair: Roman Konoplya
14:00-14:30 Camilo Posada: Stable Schwarzschild stars as black-hole mimickers (25+5)
14:30-15:00 Aleksandra Kotek: Evaporating primordial black holes as sources of ultra-high energy cosmic rays (25+5)
15:00-15:30 Coffee Break
15:30-16:15 Wlodek Kluźniak: Diskoseismic modes in radiative general-relativistic hydrodynamical simulations of thin disks (30+15)
16:15-16:45 Jiří Horák: Corotation instabilities in accretion flows (25+5)
16:45-17:15 Martin Kološ: Accretion disks in black hole magnetosphere (25+5)

Morning Session

Chair: Maciek Wielgus
09:15-10:00 Vojtěch Witzany: Space-based gravitational-wave detectors for 2050 (40+5)
10:00-10:30 Coffee Break
10:30-11:00 Odele Straub: GRAVITY: scalar field effects on the orbit of S2 star (25+5)
11:00-11:30 Arman Tursunov: On the recent hot-spots detected around Galactic centre (25+5)
11:30-12:00 Anabella Araudo: Truncation of AGN jets by their interaction with an stellar cluster (25+5)
12:00-14:00 Lunch

Afternoon Session

Chair: Wlodek Kluźniak
14:00-14:45 Maciek Wielgus: Probing GR with the Event Horizon Telescope (40+5)
14:45-15:15 David Abarca: Simulating super-Eddington accretion onto magnetized neutron stars in GRRMHD (25+5)
15:15-15:45 Debora Lančová: Puffy accretion disks: sub-Eddington, optically thick, and stable (25+5)
15:45-16:15 Coffee Break
16:15-16:45 Gabriel Török: X-ray timing and mass of accreting compact objects (25+5)
16:45-17:30 Vladimír Karas: Tidal disruption events with spectral line reverberation mapping as a probe of accretion geometry (40+5)
17:30-18:15 Remo Ruffini: On the BdHNI GRB 190114C and its energetics (40+5)
19:00-00:00 CONFERENCE DINNER (Located at the "Nová sladovna" Restaurant, see the map)

Morning Session

Chair: Arman Tursunov
9:30-10:15 Jorge Rueda: The physical ingredients of a binary-driven hypernova (BdHN) and their role in the explanation of a long gamma-ray burst (40+5)
10:15-10:45 Li Liang: TBA (25+5)
10:45-11:15 Coffee Break
11:15-11:45 Kris Schroven: The role of electric charge in relativistic accretion onto compact objects is discussed by means of analytic models (25+5)
11:45-12:15 Michal Zajaček: Shadow in X-ray emission around charged black holes (25+5)
12:15-12:45 Kateřina Goluchová: Model of oscillating accretion torus applied to HF QPOs observed in neutron stars and black holes (25+5)
12:45-16:00 Lunch

Afternoon Session