Thursday, 19th December

8:45-9:20Registration
9:20-9:30Conference opening by the President of SPRG

Session 1

9:30-9:45   Lemos   80 years of black holes: Oppenheimer-Snyder gravitational collapse and thin shell collapse
9:45-10:00   Bronnikov   Black holes and wormholes in hybrid metric-Palatini gravity
10:00-10:15   Minamitsuji   Black holes in degenerate higher-order scalar tensor theories
10:15-10:30   Di Giovanni   Non-linear dynamics of spinning bosonic stars part 1: formation
10:30-10:45   Sanchis-Gual   Non-linear stability of spinning bosonic stars
10:45-11:00   André   Thermodynamics of black holes in the canonical ensemble in d dimensions
11:00-11:30   Coffee break

Session 2

11:30-11:45   Ortaggio   Universal black holes
11:45-12:00   Vano-Vinuales   Hyperboloidal slices of black hole spacetimes in spherical symmetry
12:00-12:15   Gimeno-Soler   Self-gravitating magnetized tori around black holes in general relativity
12:15-12:30   Peón Nieto   Limit spacetimes and initial data of n-dimensional Kerr-de Sitter
12:30-12:45   Rosa   Stability of rotating black holes in generalized hybrid metric-Palatini gravity
12:45-13:00   Costa   Gravitomagnetism in the Lewis cylindrical metrics
13:00-14:30   Lunch

Session 3

14:30-14:45   Herdeiro   Dynamically viable asymptotically at black holes with scalar hair: superradiant growth vs: scalarisation
14:45-15:00   Panotopoulos   Quasinormal modes of regular black holes
15:00-15:15   Radu   Nonspherical horizons from black hole scalarization
15:15-15:30   Seraj   BMS flux-balance equations as constraints on the gravitational radiation
15:30-15:45   Vicente   Moving black holes: energy extraction and the ring of fire
15:45-16:00   Van Aelst   Hairy rotating black holes in the cubic Galileon theory
16:00-16:30   Coffee-break

Session 4

16:30-16:45   Delgado   Spinning Black Holes in Shift-Symmetric Horndeski Theory
16:45-17:00   Pombo   Spontaneous scalarisation of charged black holes: coupling dependence and dynamical features
17:00-17:08   Polcar   Probing chaos around perturbed black holes: Melnikov method
17:08-17:16   Silva   Causal structure of a collapsing thin shell and black hole formation
17:16-17:24   Ventura   Optical properties of axion backgrounds and black hole superradiance
17:24-17:32   Rodrigues   Quasinormal modes of string-theoretical black holes
17:32-17:40   Duque   Tidal Deformability of Black Holes Immersed in Matter
17:40-17:48   Ferraz   Superradiant pion clouds around primordial black holes
17:48-17:56   Eiró   Lensing and shadow of a black hole surrounded by a backreacting accretion disk
17:56-18:04   Santos   Stationary vector clouds around Kerr black holes
18:04-18:12   Campos   Schwarzschild-AdS within Quantum Field Theory on Curved Spacetimes
18:30-19:30 Assembleia Geral da Sociedade
Portuguesa de Relatividade e Gravitação
20:00 Conference Dinner

Friday, 20th December

Session 5

9:30-9:45   Brito   Gravitational-Wave Constraints on an Effective--Field-Theory Extension of General Relativity
9:45-10:00   Raposo   Deformed compact objects in General Relativity
10:00-10:15   Luz   Compact objects in Einstein-Cartan theory
10:15-10:30   Maggio   Exotic compact objects: ergoregion instability, ringdown and echoes
10:30-10:45   Uzawa   Slow-roll inflation and the swampland
10:45-11:00   Bragança   Effective Field Theory of Large Scale Structure
11:00-11:30   Coffee break

Session 6

11:30-11:45   Murthy   Black holes in string theory and holography
11:45-12:00   Robson   Hidden Depths in a Black Hole: Surface Area Information Encoded in the (r,t) Sector
12:00-12:15   Oliveira   Solitons in Einstein-Maxwell-scalar models
12:15-12:30   Koshelev   Analytic Infinite Derivative (AID) gravity to resolve Black Hole singularities
12:30-12:45   Di Filippo   Singularity avoidance: possibilities and implications
12:45-13:00   Henriquez   On the stability of black strings in AdS
13:00-14:30   Lunch

Session 7

14:30-14:45   Cunha   100 years of light deflection, where we are now: EHT, scalar hair and the M87 supermassive black hole
14:45-15:00   Vega   Testing the nature of dark compact objects through the excitation of resonances during inspiral.
15:15-15:30   Nakashi   Effect of a second compact object on stable circular orbits
15:30-15:45   Annulli   Electromagnetism and hidden vector fields in modified gravity theories: Spontaneous and induced vectorization
15:45-16:00   Groshev   Magneto-electro-statics of axionically active systems: Induced field restructuring in magnetic stars
16:00-16:30   Coffee-break

Session 8

16:30-16:45   Garattini   Powering Traversable Wormholes with Casimir Energy
16:45-17:00   Garcia   The GRAVITY experiment | recent results on SgrA* black hole
17:00-17:15   Feng   Electrovortical formalism and plasma equilibria in black hole spacetimes
17:15-17:30   Ikeda   Tidal effect on scalar cloud
17:30-17:45   Hejda   Energy extraction from extremal electrovacuum black holes through collisional Penrose process
17:45-18:00   Zaslavskii   50 years of the Penrose process: Classification of super-Penrose collisions