Lagrangian formalism for the new Dirac equationThe expressions for the energy-impulse tensor and the spin
operators are obtained for the particle
Non-Relativistic Limit for Matrix 1D-Dirac Operators with Point Interactions}}_{X,{\mathbf{B}}_{c}}^{c}$$ of $$2m\times 2m$$ -
Dirac operator with point interactions on a discrete set $$X$$ where $$c
Non-Relativistic Limit for Matrix 1D-Dirac Operators with Point Interactions\times 2m$ -
Dirac operator with point interactions on a discrete set $X$ where $c$ is the velocity of light
Weyl solutions and j-selfadjointness for Dirac operatorsWe consider a non-selfadjoint
Dirac-type differential expression
D(Q)y:=Jn [Formula presented] +Q