2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93892We show that, for almost all N-variable Boolean functions f, at least N/4-O(\sqrt{N} log N) queries are required to compute f in quantum black-box model with bounded error.4 pages, LaTeXQuantum PhysicsComputational ComplexityA note on quantum black-box complexity of almost all Boolean functionstext