2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/36044We discuss a mechanism for generating the baryon asymetry of the Universe that involves a putative violation of CPT symmetry arising from string interactions.3 pages, plain Latex (requires mproc.sty available at http://shemesh.fiz.huji.ac.il/MG8/submition.html). Talk delivered at the Early Universe session at the 8th Marcel Grossmann MeetingGeneral Relativity and Quantum Cosmologytext