2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/97110We obtain criteria for shock wave (SW)existence in relativistic magnetic hydrodynamics with no suppositions about convexity of the equation of state. Method of derivation involves consideration of a continuous SW profile in presence of Landau-Lifshitz relativistic viscosity tensor with both non-zero viscosity coefficients.15 pages including 3 figuresMathematical Physics76L05; 76W05; 76Y05text