2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/153609In this paper we used the finite Fourier transformation to obtain the polar decomposition of the q-deformed boson algebra with $q$ a root of unity.LaTeX v1.2, 6 pages with no figuresQuantum AlgebraThe Polar Decomposition of q-Deformed Boson Algebratext