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    Article

    Information Divergence and Distance Measures for Quantum States

    Both information divergence and distance are measures of closeness of two quantum states which are widely used in the theory of information processing and quantum cryptography. For example, the quantum relativ...

    Nan Jiang, Zhaozhi Zhang in International Journal of Theoretical Physics (2015)

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    Article

    Can Newton method be surpassed

    A local algorithm is proposed for unconstrained optimization problem. Compared with the traditional Newton method with Choleski factorization, this algorithm has the same quadratic convergence. But its computa...

    Naiyang Deng, Zhaozhi Wang in Chinese Science Bulletin (1999)