2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/125394A generalized two-dimensional periodic Dirac operator is considered, with $L^{\infty}$-matrix-valued coefficients of the first order derivatives and with complex matrix-valued potential. It is proved that if the matrix-valued potential has zero bound relative to the free Dirac operator, then the spectrum of the operator in question contains no eigenvalues.Mathematical PhysicsSpectral Theory35P05text