Monday 20.09
8.00-8.50 Registration
8.50-9.00 Conference opening
Mathematical relativity II
chair: M. Dunajski
9.00-9.25 Filip Ficek (MRII) A nonrelativistic limit for Anti-de Sitter spacetime perturbations
9.25-9.50 Wojciech Kryński (MRII) Variational approach to conformal geodesics
9.50-10.15 Adam Chudecki (MRII) From hyperheavenly spaces to two-sided Walker and para-Kähler spaces
10.15-11.20 Paul Tod Space-times with all Penrose limits diagonalisable
11.20-11.35 coffee break
Mathematical relativity II
chair: J. Tafel
11.35-12.00 Syed Naqvi (MRII) Freely-falling bodies in standing-wave spacetime
12.00-12.25 Marcello Ortaggio (MRII) Robinson-Trautman spacetimes coupled to conformally invariant electrodynamics in higher dimensions
12.25-12.50 Sebastian Szybka (MRII) Electromagnetic standing waves coupled to gravity
12.50-13.15 Arman Taghavi-Chabert (MRII) Twisting non-shearing congruences of null geodesics, almost CR structures, and Einstein metrics in even dimensions
13.15-14.45 lunch break
Mathematical relativity I
chair: J. Jezierski
14.45-15.10 Bartłomiej Bąk (MRI) Variational formulations of General Relativity
15.10-15.35 Maciej Dunajski (MRI) The Kijowski–Liu–Yau quasi-local mass of the Kerr black hole
15.35-16.40 Olivier Sarbach Collisionless kinetic gas configurations surrounding black holes
16.40-16.55 coffee break
16.55-17.20 Jerzy Kijowski (MRI) The essence of Gravity
17.20-17.45 David Matejov (MRI) Uniqueness of extremal isolated horizons and their identification with horizons of all type D black holes
17.45-18.10 Jacek Tafel (MRI) The Bondi-Sachs metrics with smooth scri
18.10-18.35 Maciej Ossowski (MRI) Non-singualar spacetimes with the NUT parameter

Tuesday 21.09
Mathematical relativity I
chair: J. Kijowski
9.00-9.25 Tomasz Smołka (MRI) Hamiltonian charges in spacetimes with a positive cosmological constant
9.25-9.50 Marian Wiatr (MRI) Linearized gravity in electrodynamical language, and its full deparametrization
9.50-10.15 Filip Hejda (MRI) Generalised BSW effect and extraction of energy from extremal electrovacuum black holes
10.15-11.20 Claude Warnick Quasinormal modes of black holes
11.20-11.35 coffee break
Models of quantum gravity
chair: J. Lewandowski
11.35-12.00 Andrzej Okołów (MQG) Hilbert spaces built over metrics of fixed signature
12.00-12.25 Tomasz Trześniewski (MQG) Gravitational holonomies and quantum entanglement
12.25-12.50 Marcus Reitz (MQG) Approximate Killing symmetries in non-perturbative quantum gravity
12.50-13.15 Jerzy Kowalski-Glikman (MQG) Charges of gravity
13.15-14.45 lunch break
Models of quantum gravity
chair: J. Kowalski-Glikman
14.45-15.10 Jakub Mielczarek (MQG) Gravitational field and quantum entanglement
15.10-15.35 Johannes Münch (MQG) Effective quantum black hole collapse via surface matching
15.35-16.40 Abhay Ashtekar Non Expanding Horizons and Null Infinity
16.40-16.55 coffee break
Models of quantum gravity
chair: J. Kowalski-Glikman
16.55-17.20 Dániel Németh (MQG) Cosmic webs from quantum gravity
17.20-17.45 Zbigniew Drogosz (MQG) Matter-driven phase transition in CDT

Wednesday 22.09
Models of quantum gravity
chair: J. Lewandowski
9.00-9.25 Josua Unger (MQG) Quantum groups and asymptotic symmetries
9.25-9.50 Valle Varo (MQG) Three roads to the Hamiltonian formulation of field theories with boundaries
9.50-10.15 Cong Zhang (MQG) First-order quantum correction in coherent state expectation value of Loop-Quantum-Gravity Hamiltonian
10.15-11.20 Salvatore Capozziello Non-Local Gravity Cosmology
11.20-11.35 coffee break
Cosmology and astrophysics
chair: E. Malec
11.35-12.00 Michał Artymowski (CA) New applications of unparticles: Inflation, dark energy, bouncing cosmologies, and the Hubble tension
12.00-12.25 Alice Boldrin (CA) Dirac procedure and the Hamiltonian formalism for cosmological perturbations in a Bianchi I universe
12.25-12.50 Bestin James (CA) Numerical study of magnetically dominated jets from accreting black hole sources
12.50-13.15 Agnieszka Janiuk (CA) Magnetically arrested accretion flows near the black hole horizon
13.15-15.00 lunch break
Cosmology and astrophysics
chair: E. Malec
15.00-15.25 Patryk Mach (CA) Accretion of the relativistic Vlasov gas onto a moving Schwarzschild black hole
15.25-16.05 Quentin Vigneron (CA) Is backreaction in cosmology a relativistic effect? On the need for a non-Euclidean extension of Newton’s theory
17.00-18.30 Meeting of the Polish Society on Relativity
18.45-22.30 Conference banquet

Thursday 23.09
Numerical relativity
chair: P. Mach
9.00-9.25 Adam Cieślik (NR) Accretion of the Vlasov gas on Reissner–Nordström black holes
9.25-9.50 Wojciech Dyba (NR) Toroidal magnetic fields in self-gravitating disks around black holes
9.50-10.55 Giancarlo Cella Recent observations of GWs by LIGO and Virgo detectors
10.55-11.10 coffee break
Gravitational waves
chair: A. Królak
11.10-11.35 Szymon Sikora (GW) Gravitational standing wave in the Halilsoy-Gowdy spacetime
11.35-12.00 Paritosh Verma (GW) Probing gravitational waves from pulsars in Brans–Dicke theory
12.00-12.25 Adam Zadrożny (GW) Multi-messenger astronomy in O4
Methods of string theory in gravity
chair: P. Sułkowski
12.25-12.50 Dongsheng Ge (ST) Energy reflection and transmission at 2D holographic interfaces
12.50-13.15 Sinong Liu (ST) Gauge invariant target space entanglement in D-brane holography
13.15-13.40 Jacek Pawełczyk (ST) Deforming spin chain representation for AdS3 string model
13.40-15.10 lunch break