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  1. A Relational Time-Symmetric Framework for Analyzing the Quantum Computational Speedup.G. Castagnoli, E. Cohen, A. K. Ekert & A. C. Elitzur - 2019 - Foundations of Physics 49 (10):1200-1230.
    The usual representation of quantum algorithms is limited to the process of solving the problem. We extend it to the process of setting the problem. Bob, the problem setter, selects a problem-setting by the initial measurement. Alice, the problem solver, unitarily computes the corresponding solution and reads it by the final measurement. This simple extension creates a new perspective from which to see the quantum algorithm. First, it highlights the relevance of time-symmetric quantum mechanics to quantum computation: the problem-setting and (...)
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  • A Relational Time-Symmetric Framework for Analyzing the Quantum Computational Speedup.G. Castagnoli, E. Cohen, A. K. Ekert & A. C. Elitzur - 2019 - Foundations of Physics 49 (10):1200-1230.
    The usual representation of quantum algorithms is limited to the process of solving the problem. We extend it to the process of setting the problem. Bob, the problem setter, selects a problem-setting by the initial measurement. Alice, the problem solver, unitarily computes the corresponding solution and reads it by the final measurement. This simple extension creates a new perspective from which to see the quantum algorithm. First, it highlights the relevance of time-symmetric quantum mechanics to quantum computation: the problem-setting and (...)
    Direct download (2 more)  
     
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