Hyperboloidal Foliations and their Application

The workshop brings together researchers across mathematical relativity, geometric analysis, and gravitational wave physics to explore the theory and applications of hyperboloidal foliations. Spacelike surfaces that asymptotically approach null infinity offer a geometric framework for analyzing wave propagation, with implications for both analytical and numerical treatments of the Einstein field equations.

As a follow-up to our previous meeting in 2023, Infinity on a Gridshell, the workshop will highlight recent advances in black hole perturbation theory, gravitational self-force, and the nonlinear numerical evolution of asymptotically flat spacetimes. Particular attention will be given to the role of hyperboloidal methods in modeling gravitational radiation across the inspiral, merger, and ringdown phases of compact binary coalescence. We will also investigate new frontiers where hyperboloidal foliations may be applicable, such as electromagnetic scattering theory and quantum field theory.

Coming soon.

Organizers

Name Affiliation
Roland Donninger University of Vienna
David Hilditch Instituto Superior Técnico Lisboa
Maciej Maliborski University of Vienna
Rodrigo Panosso Macedo Niels Bohr Institute
Alex Vañó Viñuales Universitat de les Illes Balears
Anil Colpan Zenginoglu University of Maryland

Attendees

Name Affiliation
Sebastiano Bernuzzi University of Jena
Piotr Bizón Jagiellonian University
Andras Bonk University of Vienna
Valentin Boyanov Instituto Superior Técnico Lisboa
Marina De Amicis Niels Bohr Institute
Oliver Long Max Planck Institute for Gravitational Physics
Marica Minucci Niels Bohr Institute
Christian Peterson Borquez Instituto Superior Técnico Lisboa
István Rácz WIGNER RCP
Anna Sancassani University of Tübingen
Subhodeep Sarkar Indian Institure of Technology, Madras
Saradha Senthil Velu University of Tübingen
Juan A. Valiente Kroon Queen Mary University of London
At a glance
Type:
Workshop
When:
Jan. 12, 2026 — Jan. 16, 2026
Where:
ESI Boltzmann Lecture Hall
Organizer(s):
Roland Donninger (U of Vienna)
David Hilditch (IST Lisboa)
Maciej Maliborski (U of Vienna)
Rodrigo Panosso Macedo (NBI, Copenhagen)
Alex Vañó Viñuales (U de Les Illes Balears)
Anil Colpan Zenginoglu (U of Maryland)
More:
Website