We warmly welcome Matteo Bruno, who is visiting us from 1 April to 30 June 2025. He is a PhD student at the Sapienza – Università di Roma in the group of Giovanni Montani. Matteo Bruno is working on symmetry reduced models in loop quantum gravity in the context of cosmology.

The paper of Kristina Giesel, Hongguang Liu, Parampreet Singh and Stefan Weigl was recently accepted by Physical Review D. The paper This article contains further applications of the formalism developed in our previous work in Phys.Rev.D 110 (2024) 10, 104017, with a particular focus on regular black holes models as a special case of polymerised LTB solutions.…

We warmly congratulate Roman Kemper on his PhD scholarship from the foundation of the Evangelischen Studienwerk Villigst.

We warmly congratulate Ashay Sathe on his scholarship from the German Academic Scholarship Foundation and on his acceptance into the Marianne- Plehn Programme of the German Academic Scholarship Foundation.

Banff International Research Station Workshop “Recent Development of Quantum Gravity and Applications to Cosmology and Black Hole Physics” has been approved. The worksop will be take place in May 2026 at Institute for Advanced Study in Mathematics in Hangzhou, China. Organisors of the workshop are Anzhong Wang (Baylor University), Rong-Gen Cai (Institute of Theoretical Physics,…

In this paper we investigate the relation between geometrical clocks usually used in the canonical formulation of general relativity and edge modes mostly used in the canonical phase space formulation. We show that with a suitable extension of the ADM phase space different from the one in the existing literature a relation can be established…