2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55634A general functional definition of the infinite dimensional quantum R-matrix satisfying the Yang-Baxter equation is given. A procedure for extracting a finite dimensional R-matrix from the general definition is demonstrated for the particular cases of the group O(2) and of the group of translations.15 pages, LaTeXHigh Energy Physics - Theorytext