Carignano, A.; Fatibene, L.; McLenaghan, R.L.; Rastelli, G.
(Symmetry, Integrability and Geometry: Methods and Applications, 2011)
A signature independent formalism is created and utilized to determine the general second-order symmetry operators for Dirac's equation on two-dimensional Lorentzian spin manifolds. The formalism is used to characterize ...