Infinity on a Gridshell

Image by Alex Vañó-Viñuales


In recent years, hyperboloidal methods have emerged as effective tools in the field of black-hole perturbation theory, finding wide-ranging applications in various areas, including the computation of long-time wave equations, quasi-normal modes, effective-one-body formalism, and self-force. Over the past decade, significant advancements have been made in computing generic solutions to nonlinear Einstein equations on hyperboloidal surfaces. These developments have propelled the field forward, enabling researchers to gain deeper insights into the behavior of black holes and paving the way for further breakthroughs in our understanding of gravitational phenomena.


This workshop aims to bring together leading experts to review and summarize the progress in hyperboloidal methods. Our primary objectives are to evaluate the current state-of-the-art of these methods across diverse applications and to foster the development of new collaborative efforts. Particular emphasis will be placed on open problems, such as solving the nonlinear Einstein equations in scenarios relevant to astrophysics.

Mon, 10 Jul 2023 — Thu, 13 Jul 2023
Niels Bohr Institute, University of Copenhagen
Blegdamsvej 17, Building C, Auditorium A, DK-2100 Copenhagen, Denmark,


TimeMon, 10 JulTue, 11 JulWed, 12 JulThu, 13 Jul
8:30—8:45Coffee and TeaCoffee and Tea
9:00—9:45Abhay AshtekarSascha HusaSebastiano BernuzziFlorian Beyer
9:45—10:30Adam PoundShalabh GautamManas VishalIstván Rácz
10:30—11:00Coffee and Tea
11:00—11:45Barry WardellMiguel DuarteCharalampos MarkakisPhilippe LeFloch
11:45—12:30Benjamin LeatherChristian PetersonTodd OliynykMarica Minucci
14:00—14:45Lidia Gomes da SilvaEdgar GasperinDejan GajicJason Joykutty
14:45—15:30Oliver LongJörg FrauendienerJosé Luis JaramilloAlex Vañó-Viñuales
15:30—16:00Coffee and Tea
Einstein equations
BH perturbations
Future projects

Conference Photos



Workshop Dinner


Talks will be streamed online. If you are interested in attending online, please register here.


Tour of NBI Archives, Monday, 10 July, and Tuesday, 11 July, at 17:30.

The Niels Bohr Institute (NBI) where the workshop will take place was founded by Niels Bohr in 1921. NBI has played a crucial role in shaping the development of quantum mechanics and quantum information theory. A tour of the institute’s archives will be offered on Monday and Tuesday at 17:30. The tour is free of charge and will last approximately 1 hour.

Conference Dinner, Wednesday, 12 July, 18:30.

The conference dinner will take place on Wednesday, 12 July, at 18:30 at Restaurant Orangeriet located at Kronprinsessegade 13 by the Rosenborg Castle Gardens.

The cost is 200 DKK for postdocs/faculty and 150 DKK for PhD students.

Conference Poster

Conference Poster


Scientific Organizing Committee: David Hilditch, Rodrigo Panosso Macedo, Alex Vañó-Viñuales, and Anıl Zenginoğlu

Local Organizing Committee: Vitor Cardoso, Julie de Molade, Rita Sousa


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David Hilditch
David Hilditch
Assistant Professor

I work on mathematical topics in numerical relativity. In particular my research has focused on the gauge freedom of general relativity and on the development of formulations suitable for numerical approximation.

Rodrigo Panosso Macedo
Rodrigo Panosso Macedo
Postdoctoral Research Assistant
Alex Vañó-Viñuales
Alex Vañó-Viñuales
Post-Doc FCT

Numerical relativist at the interface with mathematical General Relativity.

Anıl Zenginoğlu
Anıl Zenginoğlu
Assistant Research Scientist