2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218932It is shown that self-similar blow-up for a fourth-order reaction-diffusion equation is incomplete in the sense that, in general, there exists a self-similar extension of solutions after blow-up. Other types of complete blow-up of non self-similar form are discussed.28 pages, 16 figuresAnalysis of PDEs35K55, 35K40Incomplete self-similar blow-up in a semilinear fourth-order reaction-diffusion equationtext