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, September 1, 2025 (8:00 AM) to Thursday, September 4, 2025 (11:55 PM)

Monday, September 1, 2025

8:00 AM

8:00 AM - 8:45 AM

8:45 AM

8:45 AM - 9:00 AM
9:00 AM Gravitational Waves
Gravitational Waves
9:00 AM - 10:40 AM
Contributions

9:00 AM Gravitational Waves: A Decade of Exploring the Universe - Alicia Sintes (Balearic Islands University)

9:50 AM Spinning Black Holes in Binaries Observed with Gravitational Waves - Katerina Chatziioannou (California Institute of Technology)
10:40 AM Coffee Break
Coffee Break
10:40 AM - 11:00 AM
11:00 AM Gravity
Gravity
11:00 AM - 1:00 PM
Contributions

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

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

12:25 PM Gravitational waves in quadratic gravity - Georgios Antoniou (INFN Rome & Sapienza University of Rome)
1:00 PM Lunch Break
Lunch Break
1:00 PM - 3:00 PM
3:00 PM Gravity
Gravity
3:00 PM - 4:40 PM
Contributions

3:00 PM Generalised Galileon Duality - Andrew Tolley (Imperial College London)

3:50 PM From gravitating Skyrmions to QCD at finite density and back - Fabrizio Canfora (Universidad San Sebastian)
4:40 PM Coffee break
Coffee break
4:40 PM - 5:00 PM
5:00 PM Mathematical Relativity
Mathematical Relativity
5:00 PM - 6:10 PM
Contributions

5:00 PM Open EFT for gravity and gauge fields - Perseas Christodoulidis (Ewha Womans University)

5:35 PM On the geometric origin of the energy-momentum tensor improvement terms - Damianos Iosifidis (Scuola Superiore Meridionale, Napoli)
6:10 PM

6:10 PM - 6:30 PM

6:30 PM

6:30 PM - 8:00 PM

6:30 PM - 7:30 PM

8:00 PM

8:00 PM - 10:00 PM
Tuesday, September 2, 2025
9:00 AM Cosmology
Cosmology
9:00 AM - 10:40 AM
Room: Amphitheater 1
Contributions

9:00 AM Extensions of General Relativity and cosmological dark matter - Constantinos Skordis (CEICO - FZU and University of Oxford)

9:50 AM A f(R)esh look at the dynamics of modified gravity - Peter Dunsby (University of Cape Town)
10:40 AM Coffee break
Coffee break
10:40 AM - 11:00 AM
11:00 AM Cosmology
Cosmology
11:00 AM - 12:50 PM
Room: Amphitheater 1
Contributions

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

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

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

12:30 PM Vector induced gravitational waves sourced by primordial magnetic fields - Theodoros Papanikolaou (Scuola Superiore Meridionale)
12:50 PM Lunch break
Lunch break
12:50 PM - 3:00 PM
3:00 PM Cosmology
Cosmology
3:00 PM - 4:40 PM
Room: Amphitheater 1
Contributions

3:00 PM Geometric formulation and cosmological dynamics of kinetic k-essence - Lehel Csillag (UBB Cluj, Unitbv Brasov)

3:20 PM Non-linear Dynamics During Kination - Panagiotis Giannadakis (King's College London)

3:40 PM Dynamics of Scalar-Field Quintom Cosmological Models - Genly Leon (Universidad Catolica del Norte)

4:00 PM Explaining Dark Matter through Primordial Black Holes (PBHs) in Horndeski Gravity - Despina Totolou (Aristotle University of Thessaloniki & National Observatory of Athens)

4:20 PM 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
3:00 PM - 4:40 PM
Room: Amphitheater 2
Contributions

3:00 PM Maxwell Fields, Hidden Symmetries, and the Teukolsky Equation - Cynthia Belen Arias Pruna (Charles University, Prague)

3:20 PM Shadow/QNMs correspondence for black holes in KK gravity - Bertha Cuadros-Melgar (University of Sao Paulo)

3:40 PM Black Hole Ringdown in Astrophysical Environment - Petr Kotlařík (Astronomical Institute, Czech Academy of Sciences)

4:00 PM Gravitational Waves generation using the Lehmann-Symanzik-Zimmermann formalism - George Cristache (Institute of Space Science- INFLPR subsidiary)

4:20 PM A new model of spontaneous scalarization induced by curvature and matter - Zakaria Belkhadria (Université de Genève / Università di Cagliari)
4:40 PM Coffee break
Coffee break
4:40 PM - 5:00 PM
5:00 PM Cosmology
Cosmology
5:00 PM - 6:00 PM
Room: Amphitheater 1
Contributions

5:00 PM Dynamics of Brane-world models - Ifigeneia Klaoudatou (The American College of Greece (Deree))

5:20 PM Addressing cosmological tensions within f(Q) cosmology - Maria Petronikolou (National Observatory of Athens)

5:40 PM The Common Solution Space of General Relativity - Andronikos Paliathanasis (Durban University of Technology)
Alternative Black Holes
Alternative Black Holes
5:00 PM - 6:20 PM
Room: Amphitheater 2
Contributions

5:00 PM Robinson-Trautman spacetimes in the Einstein-Gauss-Bonnet theory - Natalia Astudillo (Charles University)

5:20 PM Rotating spacetimes with a free scalar field in four and five dimensions - Jose Manuel Barrientos Ortiz (Universidad de Tarapacá)

5:40 PM Black holes with primary scalar hair - Theodoros Nakas (Institute for Basic Science, CTPU-CGA)

6:00 PM Black Mirrors: CPT-Symmetric Alternatives to Black Holes - Kostas Tzanavaris (Higgs Centre for Theoretical Physics)
Wednesday, September 3, 2025
9:00 AM Gravitational Waves
Gravitational Waves
9:00 AM - 10:40 AM
Room: Amphitheater 1
Contributions

9:00 AM Self-force in hyperbolic scattering - Leor Barack (University of Southampton)

9:50 AM From Algorithms to Astrophysics: Machine Learning in Gravitational Wave Astronomy - Nikolaos Stergioulas (Aristotle University of Thessaloniki)
10:40 AM Coffee break
Coffee break
10:40 AM - 11:00 AM
11:00 AM Gravitational Waves and Machine Learning
Gravitational Waves and Machine Learning
11:00 AM - 12:50 PM
Room: Amphitheater 1
Contributions

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

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

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

12:30 PM Importance of Noise Filtering for Improving the False Alarm Rate in Gravitational Wave Events - Evdokia Chrysovalanti Koursoumpa (Aristotle University of Thessaloniki)
12:50 PM Lunch break
Lunch break
12:50 PM - 3:00 PM
3:00 PM Gravitational Waves
Gravitational Waves
3:00 PM - 4:40 PM
Room: Amphitheater 1
Contributions

3:00 PM A multi-parameter expansion for Extreme Mass Ratio Inspirals in astrophysical environments - Sayak Datta (GSSI)

3:20 PM Gravitational memory as a theory guiding principle - Jann Zosso (Niels Bohr Institute, Center of Gravity)

3:40 PM Exploiting the effective-one-body approach for large-mass-ratio black hole binaries - Angelica Albertini (Charles University, Prague)

4:20 PM 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
3:00 PM - 4:40 PM
Room: Amphitheater 2
Contributions

3:00 PM Using shadow observations to distinguish black holes from ultra-compact objects - Diego Rubiera-Garcia (Complutense University of Madrid)

3:20 PM Universal black hole solutions for all F(R) gravitational theories - Agustín Silva (Radboud University)

3:40 PM Self-gravitating pulsed spinning mesonic tubes - Alex Giacomini

4:00 PM In search of a higher-dimensional Kerr-Newman solution - Aravindhan Srinivasan (Charles University, Prague and IM CAS, Prague)

4:20 PM General stationary axisymmetric spacetimes: circularity and beyond - Eugeny Babichev (IJCLab)
4:40 PM Coffee break
Coffee break
4:40 PM - 5:00 PM
5:00 PM Gravitational Waves
Gravitational Waves
5:00 PM - 6:00 PM
Room: Amphitheater 1
Contributions

5:00 PM Toward Testing Strong Gravity: Higher Post-Newtonian Corrections in Tidal Response - Hajime Kobayashi (Yukawa Institute for Theoretical Physics, Kyoto University)

5:20 PM Tidal Heating: signature of black holes - Sayak Datta (GSSI)
Charged Bodies
Charged Bodies
5:00 PM - 6:20 PM
Room: Amphitheater 2
Contributions

5:00 PM General features of energy extraction from black holes through charged particle production - Filip Hejda (CENTRA, IST, Lisbon & CEICO, FZU, Prague)

5:20 PM 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)

5:40 PM Geometric Unification of Elementary Particles - Christos Ragiadakos

6:00 PM U(1) gauged boson stars and hairy Reissner-Nordström black holes - Yakov Shnir
Thursday, September 4, 2025
9:00 AM Multimessenger Astronomy
Multimessenger Astronomy
9:00 AM - 10:40 AM
Room: Amphitheater 1
Contributions

9:00 AM Extreme Tidal Disruption Events as probes of Nuclear Star Cluster - Vladimir Karas (Astronomical Institute, Czech Academy of Sciences)

9:50 AM Modeling the strong-field dynamics of binary neutron stars - Sebastiano Bernuzzi (FSU Jena)
10:40 AM Coffee break
Coffee break
10:40 AM - 11:00 AM
11:00 AM Gravitational Waves & Neutron Stars
Gravitational Waves & Neutron Stars
11:00 AM - 12:55 PM
Room: Amphitheater 1
Contributions

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

11:35 AM 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 AM Gravitational waves from a curvature-induced phase transition of a Higgs-portal dark matter sector - Andreas Mantziris (University of Coimbra)

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

12:35 PM 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 PM Lunch break
Lunch break
12:55 PM - 3:00 PM
3:00 PM Motion in curved spacetimes
Motion in curved spacetimes
3:00 PM - 4:00 PM
Room: Amphitheater 1
Contributions

3:00 PM 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)

3:20 PM Circular equatorial orbits of extended bodies with spin-induced quadrupole around a Kerr black hole - Misbah Shahzadi (Astronomical Institute of Czech Academy of Sciences)

3:40 PM Time evolution in higher-derivative theories of gravity - Aaron Held (École Normale Supérieure)
Mathematical Relativity
Mathematical Relativity
3:00 PM - 4:00 PM
Room: Amphitheater 2
Contributions

3:00 PM Re-examining the Foundations of Supergravity: The Spin-1/2 Sector - Mauricio Valenzuela Uribe (CECs - Universidad San Sebastián)

3:20 PM A Directive for obtaining Algebraically General Solutions of Einstein’s Equations - Dionysios Kokkinos (Hellenic Mediterranean University)

3:40 PM Fixing the dynamical evolution of self-interacting vector fields - Marcelo Rubio (Gran Sasso Science Institute (GSSI))
4:00 PM Session break
Session break
4:00 PM - 4:05 PM
4:05 PM Closing session
Closing session
4:05 PM - 4:45 PM
Room: Amphitheater 1
Contributions

4:05 PM Symmetric methods for long-time integration of partial differential equations - Charalampos Markakis (Stony Brook University & University of Illinois)

4:40 PM Closing remarks - THEOCHARIS APOSTOLATOS (National and Kapodistrian University of Athens)

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