期刊
INTERNATIONAL JOURNAL OF MATHEMATICS
卷 20, 期 11, 页码 1421-1430出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0129167X09005832
关键词
Quantum covariance; operator monotone functions; quantum Fisher information
类别
资金
- Hungarian Research [OTKA T068258, OTKA TS-49835]
This paper gives an overview about particular quasi-entropies, generalized quantum covariances, quantum Fisher informations, skew informations and their relations. The point is the dependence on operator monotone functions. It is proven that a skew information is the Hessian of a quasi-entropy. The skew information and some inequalities are extended to a von Neumann algebra setting.
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