Abstract
A simple theorem is proved which has most of the known no-cloning and no-broadcasting results as corollaries. It also implies the standard restrictions on measuring non-commuting observables.
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Lindblad, G. A General No-Cloning Theorem. Letters in Mathematical Physics 47, 189–196 (1999). https://doi.org/10.1023/A:1007581027660
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DOI: https://doi.org/10.1023/A:1007581027660