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Paper Abstract and Keywords
Presentation 2021-05-24 11:50
Multi-server blind Quantum computation protocol with limited classical communication
Yuichi Sano (Kyoto Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A user who does not have a quantum computer but wants to perform quantum computations may delegate his computation to a quantum cloud server. In order that the delegation works, it must be assured that no evil server can obtain any important information on the computation. The blind protocol was proposed as a way for the user to protect his information from the unauthorized actions of the server. Among the blind protocols proposed thus far, a protocol with two servers sharing entanglement, while it does not require to a user any quantum resource, does not allow the servers to communicate even after the computation. In this paper, we propose a protocol, by extend this two-server protocol to multiple servers, which remains secure even if some servers communicate with each other after the computation. Dummy gates and a circuit modeled after brickwork states play a crucial role in the new protocol.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum blind computation / / / / / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee QIT  
Conference Date 2021-05-24 - 2021-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2021-05-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multi-server blind Quantum computation protocol with limited classical communication 
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Keyword(1) Quantum blind computation  
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1st Author's Name Yuichi Sano  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker
Date Time 2021-05-24 11:50:00 
Presentation Time 20 
Registration for QIT 
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