2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57452We present the detailed calculation of the infinitesimal operators and the boson operators for SU (3) in Cartan-Weyl basis. They have been used extensively as theoretical models for particle physics. We make a comparison between them, alongside with SL(3,c), which displays the concise appearance.corrected calculationsMathematical Physicstext