Theory of out of equilibrium light-induced phenomena: general discussion. (24th August 2022) - Alías-Rodríguez, Marc; Basini, Martina; Benfatto, Lara; Boeije, Yorrick; Burghardt, Irene; Burnett, Andrew; Chen, Lin; Collet, Eric; Cowin, Rory; Eremin, Ilya; Fleming, Graham; Girija, Aswathy V.; et al.