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Puzzles in the QG landscape: viewpoints from different approaches 2026

14–18 Sept 2026
Europe/Zurich timezone

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Unraveling the quantum nature of gravity is one of the most pressing problems of theoretical physics. Several ideas have been put forward and have resulted in several theories of quantum gravity. While these theories have explored different facets of the "quantum gravity landscape", all viable approaches should ultimately make contact with observations and answer exciting questions in cosmology and black-hole physics.
 
Sharing knowledge, exchanging ideas, and building a dictionary among different theories are crucial steps toward answering these questions, efficiently contrasting them, and ultimately reaching a deeper understanding of our Universe.
 
This conference will contribute to these goals by bringing together leading experts in different approaches to quantum gravity, gravitational effective field theory, black-hole physics, and cosmology. We will focus on specific puzzles in quantum gravity and their resolutions within different approaches. The conference will be highly interactive, with plenty of time to discuss common problems, understand the big picture, and develop novel connections between fields.
 
This is the second edition of the conference. The first edition was held at Perimeter Institute in 2023.
 
Topics include: effective field theory, amplitudes, s-matrix bootstrap, non-commutative geometry, string theory and the swampland program, loop quantum gravity and spin foams, asymptotic safety and dynamical triangulations, causal sets, group field theory, and quantum gravity phenomenology.
 
Invited speakers:
 
  • Markus Aspelmeyer (Vienna U)
  • Emil Bjerrum-Bohr (NBI)
  • Gianguido Dall'Agata (Padua U)
  • Anne-Christine Davis (Cambridge U)
  • Bianca Dittrich (Perimeter Institute)
  • Fay Dowker (Imperial College)
  • Astrid Eichhorn (Heidelberg U)
  • Roberto Emparan (Barcelona U)
  • Dario Francia (Roma Tre U)
  • Laurent Freidel (Perimeter Institute)
  • Steffen Gielen (Sheffield U)
  • Alessandra Gnecchi (Padua U)
  • Fedele Lizzi (Naples U)
  • Renate Loll (Radboud U)
  • Roberto Percacci (SISSA)
  • Ana-Maria Raclariu (King's College)
  • Hanno Sahlmann (Erlangen-Nürnberg U)
  • Alberto Salvio (Roma Tor Vergata U)
  • Anna Tokareva (HIAS, UCAS, Hangzhou)
  • Piotr Tourkine (LAPTH Annecy)

 

Registration is now open and will close on June 30th. Participants can apply to present a poster, which will be presented through a gong show and a poster session. There will also be a poster prize for the best poster, which will include the possibility of giving a talk towards the end of the conference.

There is a conference fee of 155 EUR, which covers lunches and coffee breaks. After we approve your registration, you will receive payment instructions for the conference fee, to be paid by July 15th. After we confirm the payment, your registration is completed.

We are looking forward to welcoming you to Graz!

 

Spam warning: There is an increasing number of scam agencies reaching out to conference speakers and attendees. Graz University does not use third-party agencies. We advise speakers and attendees to ignore emails that do not come from the conference organizers or official email addresses from the University of Graz. 

Conference information

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All times are in Europe/Zurich

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poster.pdf
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Application for this event is currently open.