There were three scientific contributions during the group’s meeting on Tuesday 7.12.22. Dr. Sajal Mukherjee from ASU discussed his work on “Resonance crossing in an electromagnetic EMRI analogue“, Dr. Robert Švarc from UTF talked about “Expanding impulsive gravitational waves” and Dr. Lorenzo Pizzuti from FZU discussed his work on “Stochastic Gravitational Wave Background and Boltzmann equation“.