2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68034Beginning from the formal resolution of Riemann Zeta function, by using the formula of inner product between two infinite-dimensional vectors in the complex space, the author proved the world's baffling problem -- Riemann hypothesis raised by German mathematician B. Riemann in 1859.pages 21, figures 4General Mathematics11Mtext