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gr-qc2023
Spinor fields, CPTM symmetry and smallness of cosmological constant in framework of extended manifold
Sergey Bondarenko, Victor De La Hoz-Coronell
A model of an extended manifold for the Dirac spinor field is considered. Two Lagrangians related by CPTM (charge-parity-time-mass) symmetry are constructed for a pair of the Dirac…
gr-qc2021★ 2 cited
Dynamical signature: complex manifolds, gauge fields and non-flat tangent space
S. Bondarenko
Theoretical possibilities of models of gravity with dynamical signature are discussed. The different scenarios of the signature change are proposed in the framework of Einstein-Car…