2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219248Generalized Ray Theory (GRT) provides a simple description of MHD mode transmission and conversion between magnetoacoustic fast and slow waves and is directly applicable to solar active regions. Here it is tested in a simple two-dimensional, isothermal, gravitationally-stratified model with inclined magnetic field using previously published exact solutions and found to perform very well.11 pages, 4 figuresSolar and Stellar Astrophysicstext