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Paper Abstract and Keywords
Presentation 2011-11-21 14:40
[Poster Presentation] Minimum-error discrimination among three states of a qubit and the circumcenter of a triangle
Yuta Taninaka, Hiroyuki Sugimoto, Akihisa Hayashi (Univ. of Fukui)
Abstract (in Japanese) (See Japanese page) 
(in English) We consider minimum-error discrimination among three states of a qubit with equal occurrence probability, where the success probability is maximized while an incorrect guess is permitted.
To determine the maximum success probability, we solve the dual problem derived from the primal problem.
In this case, the optimal solution can be constracted by the circumcenter of the triangle made by end points of the Bloch vectors of the three qubit states.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum state discrimination / The circumcenter of a triangle / / / / / /  
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Conference Information
Committee QIT  
Conference Date 2011-11-21 - 2011-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information, etc. 
Paper Information
Registration To QIT 
Conference Code 2011-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Minimum-error discrimination among three states of a qubit and the circumcenter of a triangle 
Sub Title (in English)  
Keyword(1) Quantum state discrimination  
Keyword(2) The circumcenter of a triangle  
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1st Author's Name Yuta Taninaka  
1st Author's Affiliation University of Fukui (Univ. of Fukui)
2nd Author's Name Hiroyuki Sugimoto  
2nd Author's Affiliation University of Fukui (Univ. of Fukui)
3rd Author's Name Akihisa Hayashi  
3rd Author's Affiliation University of Fukui (Univ. of Fukui)
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Date Time 2011-11-21 14:40:00 
Presentation Time 100 minutes 
Registration for QIT 
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