Zobrazeno 1 - 10 of 438 pro vyhledávání: '"Takeshi NAKAI"'
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Akademický článek
Control effect of large tuned mass damper used for seismic retrofitting of existing high‐rise building
Autor: Takeshi Nakai, Haruhiko Kurino, Tomoki Yaguchi, Naoki Kano
Publikováno v: Japan Architectural Review, Vol 2, Iss 3, Pp 269-286 (2019)
Abstract We developed a large tuned mass damper (TMD) for counteracting the effects of long‐period earthquakes in existing high‐rise buildings. The TMD consists of a suspended weight and oil dampers with stroke control functions. The damper incre
Externí odkaz: https://doaj.org/article/2c2c44dbf74748508ec6df5f97ad52fd
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4
Efficient Card-Based Majority Voting Protocols
Autor: Yoshiki Abe, Takeshi Nakai, Yoshihisa Kuroki, Shinnosuke Suzuki, Yuta Koga, Yohei Watanabe, Mitsugu Iwamoto, Kazuo Ohta
Publikováno v: New Generation Computing. 40:173-198
Card-based cryptography is a variety of secure multiparty computation (MPC). Recently, a new technique called private operations was introduced because the protocol can be implemented with fewer cards than that by using the conventional technique cal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0edb6ae317876c4607a715ddd900fa73
https://doi.org/10.1007/s00354-022-00161-7
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6
Secure Computation for Threshold Functions with Physical Cards: Power of Private Permutations
Autor: Takeshi Nakai, Satoshi Shirouchi, Yuuki Tokushige, Mitsugu Iwamoto, Kazuo Ohta
Publikováno v: New Generation Computing. 40:95-113
Card-based cryptography is a variant of multi-party computation using physical cards like playing cards. There are two models on card-based cryptography, called public and private models. The public model assumes that all operations are executed publ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f15e2de24f9f63b33596395e6ee51d40
https://doi.org/10.1007/s00354-022-00153-7
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9
Constant-round linear-broadcast secure computation with penalties
Autor: Takeshi Nakai, Kazumasa Shinagawa
Publikováno v: Theoretical Computer Science. 959:113874
It is known that Bitcoin enables achieving fairness in secure computation by imposing monetary penalties on adversarial parties. This functionality is called secure computation with penalties. Bentov and Kumaresan (Crypto 2014) introduced the claim-o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c2c380dcf516d9876a9467c492ae252
https://doi.org/10.1016/j.tcs.2023.113874
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10
How to Solve Millionaires’ Problem with Two Kinds of Cards
Autor: Yuto Misawa, Kazuo Ohta, Takeshi Nakai, Mitsugu Iwamoto, Yuuki Tokushige
Publikováno v: New Generation Computing. 39:73-96
Card-based cryptography, introduced by den Boer aims to realize multiparty computation (MPC) by using physical cards. We propose several efficient card-based protocols for the millionaires’ problem by introducing a new operation called Private Perm
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a37247a157d45cdea316bfa9eb7203e1
https://doi.org/10.1007/s00354-020-00118-8
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