Name: XV Black Holes Workshop
Start: 2022-12-19T08:15:00+00:00
End: 2022-12-20T20:00:00+00:00
Location: ISCTE - University Institute of Lisbon

XV Black Holes Workshop

from Monday, 19 December 2022 (08:15) to Tuesday, 20 December 2022 (20:00)

Monday, 19 December 2022

08:15 Registration

08:15 - 08:45
Room: Auditório J. J. Laginha's foyer

08:45 Opening

08:45 - 09:15
Room: Auditório J. J. Laginha
09:15 Session 1: chaired by J. Costa
chaired by J. Costa
09:15 - 10:30
Room: Auditório J. J. Laginha
Contributions

09:15 J. Lemos: Thermodynamics of Schwarzschild-de Sitter and Nariai spaces in the 50 years of Bekenstein’s black hole entropy

09:30 P. Luz: The effects of intrinsic spin of matter in relativistic cosmology and black holes formation

09:45 P. Fernandes: A new approach and code for spinning black holes in modified gravity

10:00 H. Rüter: Hyperbolic-like encounters of binary black holes with the numerical relativity code SpEC

10:15 J. G. Rosa: Determining the spin of light primordial black holes with Hawking radiation
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00 Session 2: chaired by J. Natário
chaired by J. Natário
11:00 - 12:45
Room: Auditório J. J. Laginha
Contributions

11:00 C. Herdeiro: The fate of the light-ring instability

11:15 P. Cunha: Fundamental photon orbits and spacetime instabilities

11:30 A. Frassino: Quantum black holes and holographic complexity

11:45 L. Annulli: Spin-induced scalarization and magnetic fields

12:00 G. Raposo: Elastic stars and compactness bounds

12:15 R. Panosso Macedo: Pseudospectrum and quasinormal mode (in)stability

12:30 P. Garcia: Recent results from the GRAVITY collaboration on SgrA* supermassive black hole
12:45 Lunch
Lunch
12:45 - 14:30
14:30 Session 3 A: chaired by J. G. Rosa
chaired by J. G. Rosa
14:30 - 16:00
Room: Auditório J. J. Laginha
Contributions

14:30 A. Foschi: Using S2 motion to constrain a scalar field cloud around SgrA*

14:45 J. Calderón Bustillo: Measuring the direction of a black-hole gravitational recoil

15:00 F. Serrano: Superradiance and Hawking evaporation in the string axiverse

15:15 M. Oi: Constraining regular black holes with S2 star data

15:30 C. Pasiecznik: Eikonal approximation in black hole dynamics and gravitational wave experiments

15:45 J. Pasiecznik: Prospects for gravitational wave detection with CubeSats
Session 3 B: chaired by G. L. Cardoso
chaired by G. L. Cardoso
14:30 - 16:00
Room: Auditório B2.03
Contributions

14:30 N. Santos: A little hair can make a big difference: local thermodynamic stability of hairy black holes

14:45 T. Fernandes: The canonical ensemble of a d-dimensional Reissner-Nordström black hole in a cavity

15:00 S. Nampuri: Wormholes from automorphic forms in string theory: A black hole counting story

15:15 K. Uzawa: Dynamical branes on expanding orbifold and complex projective space

15:30 A. García-Quismondo: Polymeric quantisation of the interior of a Schwarzschild black hole

15:45 A. Sanna: Effective models of nonsingular quantum black holes
16:00 Coffee break
Coffee break
16:00 - 16:30
16:30 Session 4 A: chaired by M. Zilhão
chaired by M. Zilhão
16:30 - 18:00
Room: Auditório J. J. Laginha
Contributions

16:30 H. Witek: CSI: Gravity -- investigating fundamental physics with black holes

16:45 Z. Zhong: Piercing of a boson star by a black hole

17:00 N. Sanchis-Gual: The impact of the wavelike nature of Proca stars on their gravitational-wave emission

17:15 M. Vaglio: Parameter estimation on boson-star binary signals with a model-based coherent inspiral template

17:30 R. Luna: Kicks in charged black hole binaries

17:45 A. Vaño-Viñuales: Towards causal visualization of collapsing hyperboloidal slices
Session 4 B: chaired by C. Herdeiro
chaired by C. Herdeiro
16:30 - 18:00
Room: Auditório B2.03
Contributions

16:30 M. Minamitsuji: General relativistic solutions in the Minimal Theory of Bigravity

16:45 J. Gigante Valcarcel: New black hole solutions with a dynamical traceless nonmetricity tensor in Metric-Affine Gravity

17:00 R. Garattini: Yukawa Casimir wormholes

17:15 M. Brito: Stable excited scalar boson-stars and astrophysical consequences

17:30 A. Pombo: Virial identities in relativistic gravity

17:45 A. Rincón: The effects of running gravitational coupling on three dimensional black holes
18:30 SPRG Assembly

18:30 - 20:00
Room: Auditório J. J. Laginha

20:30 Social dinner
Social dinner
20:30 - 23:30
Tuesday, 20 December 2022
09:00 Session 5: chaired by J. Rocha
chaired by J. Rocha
09:00 - 10:30
Room: Auditório J. J. Laginha
Contributions

09:00 R. Brito: Floating orbits, superradiant scattering and the black-hole bomb: 50 years after

09:15 E. Radu: Curing conical singularities with scalar hair

09:30 R. Vicente: First constraints on binary black hole environments from LIGO-Virgo observations

09:45 E. Gasperín: The GBU system close to spatial infinity: a log story

10:00 E. Giangrandi: Stability and gravitational collapse of dark matter admixed neutron stars

10:15 R. Mishra: Radiative GRMHD simulations of black hole accretion with KORAL
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00 Session 6: chaired by V. Cardoso
chaired by V. Cardoso
11:00 - 12:45
Room: Auditório J. J. Laginha
Contributions

11:00 G. L. Cardoso: Holographic aspects of four-dimensional asymptotically flat N = 2 black holes

11:15 S. Barsanti: Detecting massive scalar fields with Extreme Mass-Ratio Inspirals and LISA

11:30 B. Juraev: Acceleration and radiation of cosmic rays nearby astrophysical black holes

11:45 M. Boskovic: Probing scalar particles and forces with compact objects

12:00 T. Ledvinka: Universality of curvature invariants in critical collapse of axisymmetric gravitational waves

12:15 M. Lenzi: Black hole greybody factors from Korteweg-de Vries integrals

12:30 U. Sperhake: The Stochastic background from core collapse supernovae in massive scalar-tensor gravity
12:45 Lunch
Lunch
12:45 - 14:30
14:30 Session 7 A: chaired by P. Cunha
chaired by P. Cunha
14:30 - 16:00
Room: Auditório J. J. Laginha
Contributions

14:30 R. Z. Ferreira: Primordial black holes and axions: a tale of (galactic and extragalactic) light

14:45 M. Zhu: Primordial black holes from bouncing cosmology

15:00 J. L. Rosa: Recent developments on observational properties of bosonic stars from hot-spots and accretion disks

15:15 I. Sengo: Shadows of Kerr black holes with synchronised Proca hair

15:30 E. Maggio: Testing general relativity in the nonlinear regime: a parametrized plunge-merger-ringdown waveform model

15:45 H. Silva: Tests of general relativity at the merger of black-hole binaries
Session 7 B: chaired by F. Moura
chaired by F. Moura
14:30 - 16:00
Room: Auditório B2.03
Contributions

14:30 R. Konoplya: First few overtones probe the event horizon geometry

14:45 F. Duque: The elephant and the flea redux: Stability of the fundamental quasinormal mode in time-domain observations

15:00 V. Gennari: Observing black hole’s vibrations

15:15 V. Boyanov: Pseudospectrum of horizonless compact objects

15:30 G. Castro: Rotational tidal Love numbers and their impact on compact object inspirals

15:45 G. Creci: Tidal deformability from scattering and the role of analytic continuation
16:00 Coffee break
Coffee break
16:00 - 16:30
16:30 Session 8 A: chaired by P. Luz
chaired by P. Luz
16:30 - 18:00
Room: Auditório J. J. Laginha
Contributions

16:30 M. Reintjes: On the regularity implied by the assumptions of geometry

16:45 M. de Cesare: Evolving black hole with scalar field accretion

17:00 E. Costa Filho: Abelian-Higgs balls and stars: a UV completion for Proca self-interactions

17:15 A. Bokulic: Can nonlinear electromagnetic fields regularize black hole singularities?

17:30 P. Kotlarik: Gravity of static thin discs around black holes

17:45 C. Peterson Bórquez: Numerical evolution of Good-Bad-Ugly-F system as a toy model for hyperboloidal numerical relativity
Session 8 B: chaired by J. Lemos
chaired by J. Lemos
16:30 - 18:00
Room: Auditório B2.03
Contributions

16:30 O. Zaslavskii: Radially moving frames and flows under the black hole horizon

16:45 D. Silva: Signatures of spherically symmetric distributions of dust

17:00 J. Delgado: Epicyclic frequencies for a generic ultracompact object

17:15 C. Caputo: Geodesic chaos-stationary case

17:30 J. Redondo Yuste: Binaries in a box

17:45 J. Novo: Circular orbits from 2D effective metrics
18:00 Closing

18:00 - 18:15

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