Dirac's new relativistic wave equation and its generalization.- Unitary representations of the poincare group in the Thomas form: Quasi-Newtonian coordinates.- Explicitly poincare invariant formulation, relation to supersymmetry, no-go theorems.- Constrained Hamiltonean mechanics.- Vector Lagrangian model.- Lagrangian spinor model, electromagnetic interaction.- Further analysis of the classical motion of the spinor model.
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