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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 35  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
QIT
(2nd)
2021-12-01
16:00
Online Online Non-standard entanglement structure of Local unitary self-dual models as a saturated situation of repeatability in General Probabilistic Theories
Hayato Arai (Nagoya Univ.), Masahito Hayashi (SUSTech/Nagoya Univ.)
An operational foundation of quantum theory is not understood clearly. Especially the structure of entanglement, i.e., t... [more]
QIT
(2nd)
2020-12-11
11:00
Online Online Capacity of Quantum Private Information Retrieval with Colluding Servers
Seunghoan Song (Nagoya Univ.), Masahito Hayashi (SUSTech)
Quantum private information retrieval (QPIR) is a protocol in which a user retrieves one of f files from n non-communica... [more]
QIT
(2nd)
2020-12-11
15:00
Online Online Perfect Discrimination in Approximate Quantum Theory of General Probabilistic Theories
Yuuya Yoshida, Hayato Arai (Nagoya Univ.), Masahito Hayashi (SUStech)
 [more]
QIT
(2nd)
2019-11-19
14:50
Tokyo Gakushuin University Capacity of Quantum Private Information Retrieval with Collusion of All But One of Servers
Seunghoan Song, Masahito Hayashi (Nagoya Univ.)
Quantum private information retrieval (QPIR) is the problem to retrieve one of f classical files by downloading quantum ... [more]
QIT
(2nd)
2019-05-20
09:00
Fukuoka Kyushu University, Chikushi Campus Secure quantum network coding
Go Kato (NTT), Masaki Owari (Shizuoka Univ.), Masahito Hayashi (Nagoya Univ.)
 [more]
QIT
(2nd)
2019-05-20
11:40
Fukuoka Kyushu University, Chikushi Campus Necessary and Sufficient Condition of Asymptotic Decoupling for Quantum Dynamics
Yuuya Yoshida, Masahito Hayashi (Nagoya Univ.)
We address dynamics when a quantum channel is applied to an initial quantum state many times. More precisely, we discuss... [more]
QIT
(2nd)
2019-05-21
09:20
Fukuoka Kyushu University, Chikushi Campus Capacity of Quantum Private Information Retrieval with Multiple Servers
Seunghoan Song, Masahito Hayashi (Nagoya Univ.)
We study the capacity of quantum private information retrieval (QPIR) with multiple servers. In the QPIR problem with mu... [more]
QIT
(2nd)
2019-05-21
10:20
Fukuoka Kyushu University, Chikushi Campus Perfect Discrimination of Non-Orthogonal Separable States in General Probabilistic Theory
Hayato Arai, Yuuya Yoshida, Masahito Hayashi (Nagoya Univ.)
This paper addresses perfect discrimination of two separable states.
When available states are restricted to separable... [more]

QIT
(2nd)
2018-11-27
16:10
Tokyo The University of Tokyo Quantum computational universality of hypergraph states with Pauli-X and Z basis measurements
Yuki Takeuchi (NTT), Tomoyuki Morimae (Kyoto Univ./JST), Masahito Hayashi (Nagoya Univ./SUSTech/NUS)
In this talk, we construct a universal hypergraph state that only requires $X$ and $Z$-basis measurements for universal ... [more]
QIT
(2nd)
2018-06-04
16:50
Hiroshima ICCH Ran Secure Quantum Network Code without Classical Communication
Seunghoan Song, Masahito Hayashi (Nagoya Univ.)
 [more]
QIT
(2nd)
2018-06-05
16:40
Hiroshima ICCH Ran Asymptotically Decoupling and Mixing Properties in Quantum System
Yuuya Yoshida, Masahito Hayashi (Nagoya Univ.)
The mixing property is a useful property for quantum dynamics as well as ergodicity. The decoupling property plays an im... [more]
IT, EMM 2018-05-17
14:00
Tokyo Ookayama Campus, Tokyo Institute of Technology Asymptotic Analysis of Spatially-Coupled LDPC Codes for Two-Way Relay Channels
Satoshi Takabe, Tadashi Wadayama (NITech), Masahito Hayashi (Nagoya Univ.) IT2018-1 EMM2018-1
Compute-and-forward relaying (CAF) is effective to increase bandwidth efficiency of wireless two-way relay channels. In ... [more] IT2018-1 EMM2018-1
pp.1-6
WBS, IT, ISEC 2018-03-09
11:40
Tokyo Katsusika Campas, Tokyo University of Science Asymptotic Analysis of LDPC Codes for Two-Way Relay Channels
Yuta Ishimatsu, Satoshi Takabe, Tadashi Wadayama (NITech), Masahito Hayashi (Nagoya Univ.) IT2017-131 ISEC2017-119 WBS2017-112
Compute-and-forward relaying is a relaying scheme to improve bandwidth efficiency of wireless two-way relay channels.
R... [more]
IT2017-131 ISEC2017-119 WBS2017-112
pp.167-172
COMP 2015-10-02
13:30
Tokyo   Quantum Merlin-Arthur with Clifford Arthur
Tomoyuki Morimae (Gunma Univ.), Masahito Hayashi, Harumichi Nishimura (Nagoya Univ.), Keisuke Fujii (Kyoto Univ.) COMP2015-25
 [more] COMP2015-25
pp.17-21
QIT
(2nd)
2014-05-12
11:10
Aichi Nagoya Univ. LOCC Conversion via Entanglement Storage
Wataru Kumagai (Kanagawa Univ.), Masahito Hayashi (Nagoya Univ./NUS)
We consider LOCC conversion via entanglement storage from information theoretic viewpoint.
In particular, as a special ... [more]

QIT
(2nd)
2014-05-12
15:50
Aichi Nagoya Univ. More Efficient Privacy Amplification with Non-Uniform Random Seeds via Dual Universal Hash Function
Masahito Hayashi (Nagoya U.), Toyohiro Tsurumaru (Mitsubishi Electric)
 [more]
QIT
(2nd)
2014-05-13
14:40
Aichi Nagoya Univ. Upper limit of the efficiency of heat engines with finite-size heat baths -- Refinement of Carnot's Theorem by information theory --
Hiroyasu Tajima (Univ. Tokyo), Masahito Hayashi (Univ. Nagoya, NUS)
 [more]
QIT
(2nd)
2014-05-13
15:20
Aichi Nagoya Univ. Asymptotic Entanglement Preservability of LOCC Conversions
Kosuke Ito (Nagoya Univ.), Wataru Kumagai (Kanagawa Univ.), Masahito Hayashi (Nagoya Univ.)
Recently, two of the authors showed that entanglement concentration is irreversible.
However, it is still not clear wha... [more]

QIT
(2nd)
2014-05-13
16:40
Aichi Nagoya Univ. A duality relation connecting different quantum generalizations of the conditional R'enyi entropy
Marco Tomamichel (NUS), Mario Berta (ETH), Masahito Hayashi (Nagoya Univ.,)
Recently a new quantum generalization of the R'enyi divergence and the corresponding conditional R'enyi entropies was pr... [more]
ISEC, IT, WBS 2014-03-11
11:00
Aichi Nagoya Univ., Higashiyama Campus Information Geometry for Markov Chains
Masahito Hayashi (Nagoya Univ.), Shun Watanabe (Tokushima Univ.)
 [more]
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