On the Tacit Linearity Assumption in Common Cascaded Models of RIS-Parametrized Wireless Channels. - Antonin Rabault; Luc Le Magoarou; Jérôme Sol; George C. Alexandropoulos; Nir Shlezinger; H. Vincent Poor; Philipp del Hougne (IEEE Trans. Wirel. Commun., 2024)