Abstract
In the framework of Mackey's description of a physical system, thegeneralized transition probability, as defined in an earlier paper, is shown to be non-decreasing while the system evolves, and invariant when the evolution is reversible. It is also in variant under a natural action of the space-time symmetry group.
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Communicated by R. Haag
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Cantoni, V. Generalized transition probability, mobility and symmetries. Commun.Math. Phys. 87, 153–158 (1982). https://doi.org/10.1007/BF01218559
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DOI: https://doi.org/10.1007/BF01218559