Abstract
We generalize the classical notion of aK-system to a non-commutative dynamical system by requiring that an invariantly defined memory loss be 100%. We give some examples of quantumK-systems and show that they cannot contain any quasi-periodic subsystem.
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Communicated by Ya. G. Sinai
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Narnhofer, H., Thirring, W. QuantumK-systems. Commun.Math. Phys. 125, 565–577 (1989). https://doi.org/10.1007/BF01228341
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DOI: https://doi.org/10.1007/BF01228341