WG1 (Theory)
- Flavio Tonini (Padua Univ.) Title: “Horizons in string compactifications”
- Xavier Ponce Diaz (Basel Univ.) Title: “The Majoron: Neutrino Masses, Dark Matter and the Baryon Asymmetry”
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Pablo Quílez (CERN) Title: “Multiple axions: Strong CP, Dark Matter and how to count them”
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Noelia Sánchez González (Oxford Univ.) Title: “Superstring Phases in the Early Universe and Gravitational Waves"
WG2 (Cosmology)
- Kim Berghaus (KIT, Karlsruhe) Title: "Axions and warm inflation"
- Claudio Bonanno (U. Bern) Title: "Strong CP problem, theta term and QCD topological properties"
- Diego Blas (IFAE, Barcelona) Title: "Ultralight dark matter and gravitational waves"
- Matteo Viel (SISSA, Trieste) Title: "Lyman-alpha constraints"
WG3 (Astrophysics)
- Ignazio Bombaci (Pisa University) Title: “Was GW190814 a Black Hole–Strange Quark Star System?”
- Damiano Fiorillo (INFN Naples) Title: "WISP production in compact objects"
- Francesca Calore (LAPTh, Annecy-le-Vieux) Title: "WISP searches with gamma-ray observations"
- Ninetta Saviano (INFN Naples) Title: "GW and PBH in Early Universe"
- Günter Sigl (Hamburg Univ.) Title: "Radio signals from axion stars"
WG4 (Experiments)
- Aldo Ejlli (MPI for Gravitational Physics, Postdam) Title: "High frequency GW, ALPs and WISPs"
- Belina von Kosigk (Heidelberg Univ.) Title: "DELight Experiment"
- Chris Nill (Tübingen Univ.) Title: "Avalanche Terahertz Photon Detection in a Rydberg Tweezer Array"
- Giuseppe Ruoso (INFN Legnaro) Title: "QUAX Experiment"