2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/119689A new quantum architecture for multiplying signed integers is presented based on Booth's algorithm, which is well known in classical computation. It is shown how a quantum binary chain might be encoded by its flank changes, giving the final product in 2's-complement representation.6 pages, 8 figures, needs Qcircuit.texQuantum Physicstext