Remarks on concavity of the auxiliary function appearing in quantum reliability function

Remarks on concavity of the auxiliary function appearing in quantum reliability function
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关于量子可靠性函数中出现的辅助函数凹性的评论

DOI:
10.1109/isit.2003.1228473
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发表时间:
2003
期刊:
IEEE International Symposium on Information Theory, 2003. Proceedings.
影响因子:
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通讯作者:
K. Kuriyama
K. Kuriyama
中科院分区:
--
文献类型:
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作者:
K. Yanagi;S. Furuichi;K. Kuriyama

文献摘要

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出现在随机编码指数中的辅助函数作为一般量子态的量子可靠性函数的下界,在二维情况下被证明为0/spl les/s/spl les/1。
Concavity of the auxiliary function which appears in the random coding exponent as the lower bound of the quantum reliability function for general quantum states is proved for 0/spl les/s/spl les/1 in two dimensional case.