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Quantum estimation and the quantum central limit theorem
This paper gives a survey about quantum estimation. We also describes the
relation between the quantum central limit theorem and the asymptotic bound of
mean square error in quantum state estimation.Comment: The original Japanese version of this manuscript was published as an
introductory article of quantum estimation in Bulletin of Mathematical
Society of Japan, Sugaku, Vol. 55, No. 4, 368--391 (2003); Received September
2, 2002, Published October 24, 2003. It was translated to English by
Michikazu Sato and Masahito Hayashi. The essential content of this manuscript
is the same as that of the original version, while several descriptions and
references are improved. The material in this paper was presented in English
in part at Joint MaPhySto and QUANTOP Workshop on Quantum Measurements and
Quantum Stochastics, Department of Mathematical Sciences, University of
Aarhus, Denmark, 2003, Non-locality of Quantum Mechanics and Statistical
Inference, Kyoto Sangyo Univ., Kyoto, 2003, and Special Week on Quantum
Statistics, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK,
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