Numerical calculation of the quasinormal frequencies for the Dirac field in a Lifshitz black brane A. M. Ares de Parga-Regalado and A. López-Ortega Eur. Phys. J. C, 80 8 (2020) 739 Published online: 13 August 2020 DOI: 10.1140/epjc/s10052-020-8323-x