2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/92906The collapse challenge for interpretations of quantum mechanics is to build from first principles and your preferred interpretation a complete, observer-free quantum model of the described experiment (involving a photon and two screens), together with a formal analysis that completely explains the experimental result. The challenge is explained in detail, and discussed in the light of the Copenhagen interpretation and the decoherence setting.6 pagesQuantum Physicstext