Name: NEB-21
Start: 2025-09-01T08:00:00+03:00
End: 2025-09-04T23:55:00+03:00
Location: Corfu

NEB-21

from Monday 1 September 2025 (08:00) to Thursday 4 September 2025 (23:55)

Monday 1 September 2025

08:00

08:00 - 08:45

08:45

08:45 - 09:00
09:00 Gravitational Waves
Gravitational Waves
09:00 - 10:40
Contributions

09:00 Gravitational Waves: A Decade of Exploring the Universe - Alicia Sintes (Balearic Islands University)

09:50 Spinning Black Holes in Binaries Observed with Gravitational Waves - Katerina Chatziioannou (California Institute of Technology)
10:40 Coffee Break
Coffee Break
10:40 - 11:00
11:00 Gravity
Gravity
11:00 - 13:00
Contributions

11:00 Causality with Gravity - Claudia De Rham (Imperial College London)

11:50 Penrose inequality for integral energy conditions - Eleni-Alexandra Kontou (King's College London)

12:25 Gravitational waves in quadratic gravity - Georgios Antoniou (INFN Rome & Sapienza University of Rome)
13:00 Lunch Break
Lunch Break
13:00 - 15:00
15:00 Gravity
Gravity
15:00 - 16:40
Contributions

15:00 Generalised Galileon Duality - Andrew Tolley (Imperial College London)

15:50 From gravitating Skyrmions to QCD at finite density and back - Fabrizio Canfora (Universidad San Sebastian)
16:40 Coffee break
Coffee break
16:40 - 17:00
17:00 Mathematical Relativity
Mathematical Relativity
17:00 - 18:10
Contributions

17:00 Open EFT for gravity and gauge fields - Perseas Christodoulidis (Ewha Womans University)

17:35 On the geometric origin of the energy-momentum tensor improvement terms - Damianos Iosifidis (Scuola Superiore Meridionale, Napoli)
18:10

18:10 - 18:30

18:30

18:30 - 20:00

18:30 - 19:30

20:00

20:00 - 22:00
Tuesday 2 September 2025
09:00 Cosmology
Cosmology
09:00 - 10:40
Room: Amphitheater 1
Contributions

09:00 Extensions of General Relativity and cosmological dark matter - Constantinos Skordis (CEICO - FZU and University of Oxford)

09:50 A f(R)esh look at the dynamics of modified gravity - Peter Dunsby (University of Cape Town)
10:40 Coffee break
Coffee break
10:40 - 11:00
11:00 Cosmology
Cosmology
11:00 - 12:50
Room: Amphitheater 1
Contributions

11:00 Secondary Gravitational Waves as probes of the early Universe and Gravity - Charalampos Tzerefos (University of Athens & National Observatory of Athens)

11:35 Cosmological Reconstructions with Neural Networks: From Data to Theory - Konstantinos Dialektopoulos

12:10 Some Constraints on Some Alternative Theories of Gravity - Amare Abebe (North-West University)

12:30 Vector induced gravitational waves sourced by primordial magnetic fields - Theodoros Papanikolaou (Scuola Superiore Meridionale)
12:50 Lunch break
Lunch break
12:50 - 15:00
15:00 Cosmology
Cosmology
15:00 - 16:40
Room: Amphitheater 1
Contributions

15:00 Geometric formulation and cosmological dynamics of kinetic k-essence - Lehel Csillag (UBB Cluj, Unitbv Brasov)

15:20 Non-linear Dynamics During Kination - Panagiotis Giannadakis (King's College London)

15:40 Dynamics of Scalar-Field Quintom Cosmological Models - Genly Leon (Universidad Catolica del Norte)

16:00 Explaining Dark Matter through Primordial Black Holes (PBHs) in Horndeski Gravity - Despina Totolou (Aristotle University of Thessaloniki & National Observatory of Athens)

16:20 Quantum Gravity Meets DESI: Dynamical Dark Energy in Light of Swampland Trans‐Planckian Censorship Conjecture - Junkai Wang (Tsinghua University)
Black Hole Perturbation
Black Hole Perturbation
15:00 - 16:40
Room: Amphitheater 2
Contributions

15:00 Maxwell Fields, Hidden Symmetries, and the Teukolsky Equation - Cynthia Belen Arias Pruna (Charles University, Prague)

15:20 Shadow/QNMs correspondence for black holes in KK gravity - Bertha Cuadros-Melgar (University of Sao Paulo)

15:40 Black Hole Ringdown in Astrophysical Environment - Petr Kotlařík (Astronomical Institute, Czech Academy of Sciences)

16:00 Gravitational Waves generation using the Lehmann-Symanzik-Zimmermann formalism - George Cristache (Institute of Space Science- INFLPR subsidiary)

16:20 A new model of spontaneous scalarization induced by curvature and matter - Zakaria Belkhadria (Université de Genève / Università di Cagliari)
16:40 Coffee break
Coffee break
16:40 - 17:00
17:00 Cosmology
Cosmology
17:00 - 18:00
Room: Amphitheater 1
Contributions

17:00 Dynamics of Brane-world models - Ifigeneia Klaoudatou (The American College of Greece (Deree))

17:20 Addressing cosmological tensions within f(Q) cosmology - Maria Petronikolou (National Observatory of Athens)

17:40 The Common Solution Space of General Relativity - Andronikos Paliathanasis (Durban University of Technology)
Alternative Black Holes
Alternative Black Holes
17:00 - 18:20
Room: Amphitheater 2
Contributions

17:00 Robinson-Trautman spacetimes in the Einstein-Gauss-Bonnet theory - Natalia Astudillo (Charles University)

17:20 Rotating spacetimes with a free scalar field in four and five dimensions - Jose Manuel Barrientos Ortiz (Universidad de Tarapacá)

17:40 Black holes with primary scalar hair - Theodoros Nakas (Institute for Basic Science, CTPU-CGA)

18:00 Black Mirrors: CPT-Symmetric Alternatives to Black Holes - Kostas Tzanavaris (Higgs Centre for Theoretical Physics)
Wednesday 3 September 2025
09:00 Gravitational Waves
Gravitational Waves
09:00 - 10:40
Room: Amphitheater 1
Contributions

09:00 Self-force in hyperbolic scattering - Leor Barack (University of Southampton)

09:50 From Algorithms to Astrophysics: Machine Learning in Gravitational Wave Astronomy - Nikolaos Stergioulas (Aristotle University of Thessaloniki)
10:40 Coffee break
Coffee break
10:40 - 11:00
11:00 Gravitational Waves and Machine Learning
Gravitational Waves and Machine Learning
11:00 - 12:50
Room: Amphitheater 1
Contributions

11:00 AresGW: Unveiling New Gravitational Wave Events with Machine Learning - Alexandra Eleni Koloniari (Aristotle University of Thessaloniki)

11:35 Symphony of Spacetime: Tuning into EMRI resonances with LISA - Kyriakos Destounis (Centrer for Astrophysics and Gravitation - Instituto Superior Tecnico)

12:10 Searching for gravitational waves in real LIGO noise using neural networks - Ondřej Zelenka (Astronomical Institute of the Czech Academy of Sciences)

12:30 Importance of Noise Filtering for Improving the False Alarm Rate in Gravitational Wave Events - Evdokia Chrysovalanti Koursoumpa (Aristotle University of Thessaloniki)
12:50 Lunch break
Lunch break
12:50 - 15:00
15:00 Gravitational Waves
Gravitational Waves
15:00 - 16:40
Room: Amphitheater 1
Contributions

15:00 A multi-parameter expansion for Extreme Mass Ratio Inspirals in astrophysical environments - Sayak Datta (GSSI)

15:20 Gravitational memory as a theory guiding principle - Jann Zosso (Niels Bohr Institute, Center of Gravity)

15:40 Exploiting the effective-one-body approach for large-mass-ratio black hole binaries - Angelica Albertini (Charles University, Prague)

16:20 Detectability of stochastic gravitational wave background from weakly hyperbolic encounters - Georgios Loukes-Gerakopoulos (Astronomical Institute, Czech Academy of Sciences)
Alternative Black Holes
Alternative Black Holes
15:00 - 16:40
Room: Amphitheater 2
Contributions

15:00 Using shadow observations to distinguish black holes from ultra-compact objects - Diego Rubiera-Garcia (Complutense University of Madrid)

15:20 Universal black hole solutions for all F(R) gravitational theories - Agustín Silva (Radboud University)

15:40 Self-gravitating pulsed spinning mesonic tubes - Alex Giacomini

16:00 In search of a higher-dimensional Kerr-Newman solution - Aravindhan Srinivasan (Charles University, Prague and IM CAS, Prague)

16:20 General stationary axisymmetric spacetimes: circularity and beyond - Eugeny Babichev (IJCLab)
16:40 Coffee break
Coffee break
16:40 - 17:00
17:00 Gravitational Waves
Gravitational Waves
17:00 - 18:00
Room: Amphitheater 1
Contributions

17:00 Toward Testing Strong Gravity: Higher Post-Newtonian Corrections in Tidal Response - Hajime Kobayashi (Yukawa Institute for Theoretical Physics, Kyoto University)

17:20 Tidal Heating: signature of black holes - Sayak Datta (GSSI)
Charged Bodies
Charged Bodies
17:00 - 18:20
Room: Amphitheater 2
Contributions

17:00 General features of energy extraction from black holes through charged particle production - Filip Hejda (CENTRA, IST, Lisbon & CEICO, FZU, Prague)

17:20 Differential curvature invariants as detectors of horizon and ergosurface radii for accelerating, rotating and charged black holes in (anti-)de Sitter background. - Georgios Kraniotis (University of Ioannina)

17:40 Geometric Unification of Elementary Particles - Christos Ragiadakos

18:00 U(1) gauged boson stars and hairy Reissner-Nordström black holes - Yakov Shnir
Thursday 4 September 2025
09:00 Multimessenger Astronomy
Multimessenger Astronomy
09:00 - 10:40
Room: Amphitheater 1
Contributions

09:00 Extreme Tidal Disruption Events as probes of Nuclear Star Cluster - Vladimir Karas (Astronomical Institute, Czech Academy of Sciences)

09:50 Modeling the strong-field dynamics of binary neutron stars - Sebastiano Bernuzzi (FSU Jena)
10:40 Coffee break
Coffee break
10:40 - 11:00
11:00 Gravitational Waves & Neutron Stars
Gravitational Waves & Neutron Stars
11:00 - 12:55
Room: Amphitheater 1
Contributions

11:00 10 years of Gravitational-Wave Tests of GR - Michalis Agathos (Queen Mary University of London)

11:35 Resonance-induced eccentricity in spherical extreme-mass-ratio inspirals - Areti Eleni (University of the Aegean) Theocharis Apostolatos (National and Kapodistrian University of Athens)

11:55 Gravitational waves from a curvature-induced phase transition of a Higgs-portal dark matter sector - Andreas Mantziris (University of Coimbra)

12:15 Exploring Composition of Neutron Star Matter with Astrophysical Observations - Prasanta Char (Universidad de Salamanca)

12:35 Universal description of a neutron star’s surface and its key global properties: A machine learning approach for nonrotating and rapidly rotating stellar models - Grigorios Papigkiotis (Aristotle University of Thessaloniki)
12:55 Lunch break
Lunch break
12:55 - 15:00
15:00 Motion in curved spacetimes
Motion in curved spacetimes
15:00 - 16:00
Room: Amphitheater 1
Contributions

15:00 Geodesic Chaos in Stationary Spacetimes: Numerical Study of Test-Particle Motion in a Black Hole Metric Perturbed by a Rotating Thin Disc - Claudia Caputo (Charles University, Institute of Theoretical Physics)

15:20 Circular equatorial orbits of extended bodies with spin-induced quadrupole around a Kerr black hole - Misbah Shahzadi (Astronomical Institute of Czech Academy of Sciences)

15:40 Time evolution in higher-derivative theories of gravity - Aaron Held (École Normale Supérieure)
Mathematical Relativity
Mathematical Relativity
15:00 - 16:00
Room: Amphitheater 2
Contributions

15:00 Re-examining the Foundations of Supergravity: The Spin-1/2 Sector - Mauricio Valenzuela Uribe (CECs - Universidad San Sebastián)

15:20 A Directive for obtaining Algebraically General Solutions of Einstein’s Equations - Dionysios Kokkinos (Hellenic Mediterranean University)

15:40 Fixing the dynamical evolution of self-interacting vector fields - Marcelo Rubio (Gran Sasso Science Institute (GSSI))
16:00 Session break
Session break
16:00 - 16:05
16:05 Closing session
Closing session
16:05 - 16:45
Room: Amphitheater 1
Contributions

16:05 Symmetric methods for long-time integration of partial differential equations - Charalampos Markakis (Stony Brook University & University of Illinois)

16:40 Closing remarks - THEOCHARIS APOSTOLATOS (National and Kapodistrian University of Athens)

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