UPCOMING COLLOQUIA Join Zoom Meeting you will receive the passcode after subscribing 6 November 20253:30pm CETJACQUES SMULEVICI(Sorbonne Université, France)Title: Non-linear waves and time-periodicityAbstract: tba 4 December 20253:30pm CETANNACHIARA PIUBELLO(University of Copenhagen, Denmark)Title: tbaAbstract: tba