Sep 20 – 23, 2021
Europe/Athens timezone


The 19th conference in the series "Recent Developments in Gravity" is organized by the Hellenic Society for Relativity, Gravitation and Cosmology. Originally planned to take place in Athens, in September 2020, it is now scheduled as an ONLINE ONLY meeting in September of 2021. A list of all previous conferences in this series can be found here.

Scientific Program

The scientific program will include plenary and invited talks, as well as contributed talks in two parallel sessions.

The scientific program is now available (please use the pdf's below, not the Timetable link to the left)

Download the Overview of the Program.

Download the Detailed Program (incl. titles and links to abstracts).

(Times are in Greece, currently UTC+3, aka EEST summer time.)
The above pdf files include the Zoom links to connect to the sessions. These are also displayed here:

All days, Plenary, Keynote and Parallel Session B: 

All days, Parallel Session A only:

Abstracts can be also searched in the Contributions List

Plenary talks will be 40+5 min., invited keynote talks will be 25+5 min. long and contributed talks will be 15+5 min.

Zoom links will become available a few days before the start of the conference.

The topics of the conference are 

  • Gravitational Waves
  • Relativistic Astrophysics
  • Alternative Theories of Gravity
  • Mathematical Relativity
  • Cosmology
  • Quantum Gravity

Plenary Speakers 

E. Berti (Johns Hopkins)
E. Gourgoulhon (Meudon)
R. Gregory (King’s College)
M. Dafermos (Cambridge/Princeton)
S. Katsanevas (EGO-VIRGO)
K. Kokkotas (Tuebingen)
E. Plionis (NOA, Athens)
D. Psaltis (Arizona)
M. Sakellariadou (King’s College)
Th. Sotiriou (Nottingham)
A. Starobinsky (Landau Institute for Theoretical Physics, Moscow)
S. Weinfurtner (Nottingham) 

Invited Keynote Speakers 

A. Gravitational Waves & Relativistic Astrophysics:

M. Agathos (Cambridge)
Th. Apostolatos (Athens)
E. Barausse (SISSA)
D. Doneva (Tuebingen)
N. Karnesis (Paris)
Ch. Markakis (Queen Mary)

B. Alternative Theories of Gravity & Cosmology:

E. Babichev (Paris)
S. Basilakos (Athens)
L. Papantonopoulos (Athens)
K. Skordis (Prague)
S. Yazadjiev (Sofia)

C. Mathematical Relativity & Quantum Gravity:

Th. Christodoulakis (Athens)
V. Faraoni (Bishop's U.)
L. Glaser (Vienna)

Social Program

On Monday 20 Sept. at 20:00 (UTC+3) participants will be invited to watch (online) the multi-award-winning documentary LIGO a Film by Les Guthman (with Greek subtitles), which recently also won an award at this year's Ierapetra Film Festival. Watch the documentary at this Vimeo link!

Meeting Venue

This is an ONLINE ONLY event. 

Important dates

Registration deadline: 31 August, 2021
Abstract submission deadline: closed

Abstract submission 

All available slots in the program for contributed talks have been filled and the call for abstracts is now closed

Participants who have submitted abstracts will be notified of acceptance when the final scientific program will be available (a few weeks before the conference, at the latest).

Conference Registration Fee

There is no registration fee for attending the conference.

Scientific Organizing Committee

Christos  Charmousis CNRS - University Paris-Saclay
George Kofinas University of the Aegean
George Pappas Aristotle University of Thessaloniki
Emmanuel Saridakis National Obvervatory, Athens
Nikolaos Stergioulas Aristotle University of Thessaloniki


Conference website: 

For additional info contact: 

Code of Conduct

The NEB-19 Conference is organized under the following code of conduct.


Application for this event is currently open.
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