21. - 25. June 2021 - RTG Spring Workshop

WORKSHOP
RTG Spring Workshop

Location: Online
Time: 21. - 25. June 2021

The program and the abstracts can be found here.

- Schedule of Talks (all times in CEST) -
Monday, 21.06.2021
 17:00 – 19:00, Session One
 17:00 - 17:05 Welcome
 17:05 - 18:30Betti Hartmann (University College London) and Carla Schriever (Uni Oldenburg)
Ayn Rand (Philosopher) & Maria Goeppert-Mayer (Physicist)
 18:30 - 19:00Discussion
 19:00Virtual Reception in the Wonder Room
Tuesday, 22.06.2021
 08:00 – 10:00, Session Two
 08:00 - 08:30Jan Hackstein (ZARM, Uni Bremen)
Photon region and shadow in a spacetime with a quadrupole moment
 08:30 - 09:30Edward Malec (Jagelonian University, Cracow)
Rotating general-relativistic tori: numerical results, bifurcation and a challenge for mathematics
 09:30 - 10:00Wojciech Kulczycki (Jagiellonian University, Cracow)
Rotating general-relativistic tori: on numerics and programming
 17:00 – 19:00, Session Three
 17:00 - 18:00Jose Luis Blázquez Salcedo (Complutense University of Madrid)
Traversable wormholes in Einstein-Dirac-Maxwell theory
 18:00 - 18:30Sarah Kahlen (Uni Oldenburg)
Quasinormal modes of spherically symmetric black holes in Einstein-Maxwell-scalar theory
 18:30 - 19:00Shokufe Faraji (ZARM, Uni Bremen)
Properties of accretion disks with quadrupole
Wednesday, 23.06.2021
 8:00 – 10:00, Session Four
 08:00 - 08:30Sandro Goedtel (ZARM, Uni Bremen)
Bose-Einstein condensate with Yukawa-type gravitational selfinteraction
 08:30 - 09:00Jan-Menno Memmen (ZARM, Uni Bremen)
Geometrically thick tori around compact objects with a quadrupole moment
 09:00 - 10:00Helmut Friedrich (AEI, Golm)
On our early past and late future
 17:00 - 19:00, Session Five
 17:00 - 18:00Yuko Urakawa (KEK, Japan)
Signature of axion dark matter through gravitational messenger
 18:00 - 19:00Lucas Collodel (Uni Tübingen)
Circular Orbit Structure and Thin Accretion Disks around Kerr Black Holes with Scalar Hair
Thursday, 24.06.2021
 08:00 - 10:00, Session Six
 08:00 - 09:00Alexander F. Zakharov (BLTP, JINR, Dubna)
Observations of bright stars near the Galactic Center and observations of shadows at Sgr A* and M87* as tools to test gravity theories
 09:00 - 10:00Batrice Bonga (Radboud University, Nijmegen)
Resonances in black hole spacetimes
 17:00 - 19:00, Session Seven
 17:00 - 18:00Francesca Vidotto (Western University Ontario)
Black Holes and Quantum Gravity: theory and possible observations
 18:00 - 19:00Christian Böhmer (University College London)
Modified theories of gravity - foundations and models
Friday, 25.06.2021
 08:00 - 10:00, Session Eight
 08:00 - 08:30Mourad Halla (ZARM, Uni Bremen)
A Morse-theoretical analysis of gravitational lensing by rotating traversable wormholes
 08:30 - 09:30Sam Dolan (University of Sheffield, UK)
Black holes, classical fields and geometric optics
 09:30 - 10:00Torben Frost (ZARM, Uni Bremen)
Gravitational lensing by charged accelerating black holes