Author(s):  
Ole E. Barndorff-Nielsen ◽  
Richard D. Gill ◽  
Peter E. Jupp

1996 ◽  
Vol 77 (14) ◽  
pp. 2851-2854 ◽  
Author(s):  
Dorje C. Brody ◽  
Lane P. Hughston

Author(s):  
ANNA JENČOVÁ ◽  
DÉNES PETZ

This paper attempts to give an overview about sufficiency in the setting of quantum statistics. The basic concepts are treated in parallel to the measure theoretic case. It turns out that several classical examples and results have a noncommutative analogue. Some of the results are presented without proof (but with exact references) and the presentation is intended to be self-contained. The main examples discussed in the paper are related to the Weyl algebra and to the exponential family of states. The characterization of sufficiency in terms of quantum Fisher information is a new result.


2020 ◽  
Vol 4 (2) ◽  
pp. 025001
Author(s):  
Ahmad Shafiei Deh Abad ◽  
Mohammad Shahbazi

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