2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/20604The aim of this report is to give an insight into the key features of the phenomenon called Annihilation Catastrophe which may pretend to be one of the most dramatic manifestations of the reaction-diffusion interplay.Invited talk given at the 3rd Workshop on Diffusion Assisted Reactions DAR'02 Seoul, Seoul, August 4-9, 2002, 5 pages, REVTEXStatistical MechanicsSoft Condensed Mattertext