The main topics of the conference are:

• • Gravitational waves detection from the coalescence of black holes and neutron star mergers
• • Detection and analysis of gravitational waves in the era of multimessenger astronomy 
• • Strong field tests of General Relativity (Pulsars, Black holes,...)
• • Quantum sensors
• • Pulsar timing
• • Fundamental physics with gravitational waves
• • Tests of the equivalence principle
• • Astrometry, solar system ephemerides and observational gravity tests
• • Space geodesy, Earth and Planetary Gravity, Navigation
• • Clocks, lasers and fundamental constants
• • Tests of GR and alternative theories (CPT and Lorentz violation,...)
• • Modified gravity theories
• • Short range gravity and Casimir effect: classical, atom and neutron tests
• • Long range gravity, dark matter, dark energy
• • Cosmology, primordial black holes and gravitational waves