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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCC, ISEC, IT, WBS | 2023-03-14 09:50 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
An information-spectrum approach to entanglement purification and distillation Motoki Achiwa, Tomohiro Ogawa (UEC)  IT2022-80 ISEC2022-59 WBS2022-77 RCC2022-77 |
We study entanglement purification which generates a maximally entangled state from a mixed state entanglement. We apply... [more] | IT2022-80 ISEC2022-59 WBS2022-77 RCC2022-77 pp.80-85 |
| QIT (2nd) |
2022-12-08 14:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
An information-spectrum approach to entanglement purification and distillation Motoki Achiwa, Tomohiro Ogawa (UEC) |
[more] | |
| IT, ISEC, RCC, WBS | 2022-03-11 16:00 |
Online | Online | Divergence rates and asymptotic convertibility of states on quantum spin chains Tomoyasu Tsuchiya, Tomohiro Ogawa (UEC) IT2021-124 ISEC2021-89 WBS2021-92 RCC2021-99 |
In the theory of quantum information spectrum methods, the divergence spectral rate and the entropy spectral rate play a... [more] | IT2021-124 ISEC2021-89 WBS2021-92 RCC2021-99 pp.237-242 |
| IBISML | 2022-01-17 11:00 |
Online | Online | Cluster approximation in quantum Boltzmann machine based on information geometry Masaya Hoshikawa, Tomohiro Ogawa (UEC) IBISML2021-21 |
A Boltzmann Machine (BM) is a model of machine learning which consists of mutually connected probabilistic binary units... [more] |
IBISML2021-21 pp.23-28 |
| IT | 2020-12-02 15:30 |
Online | Online | Generalization of quantum monotonic metric with duality via a purification Kouta Sakurai, Tomohiro Ogawa (UEC) IT2020-40 |
Given a quantum statistical model, consider estimating the parameter of specific quantum state From that model. At thi... [more] |
IT2020-40 pp.91-95 |
| IT | 2020-12-03 16:40 |
Online | Online | Implementation and security evaluation of wiretap channel coding in noisy channels Koutaro Takasaki, Tomohiro Ogawa (UEC) IT2020-62 |
In wiretap channel coding by Wyner,one can transmit messages to a legitimate receiver reliably without giving any inform... [more] | IT2020-62 pp.206-211 |
| WBS, IT, ISEC | 2018-03-08 09:25 |
Tokyo | Katsusika Campas, Tokyo University of Science | Information Geometrical Study of Cluster-Model Approximation for Boltzmann Machines Kenta Toyoda, Tomohiro Ogawa (Univ. of Electro- Commu.) IT2017-104 ISEC2017-92 WBS2017-85 |
In learning algorithms for Boltzmann machines, it is necessary but very hard to calculate the expectation of units with ... [more] | IT2017-104 ISEC2017-92 WBS2017-85 pp.7-12 |
| WBS, IT, ISEC | 2018-03-09 10:50 |
Tokyo | Katsusika Campas, Tokyo University of Science | On Security Evaluation for Coset Coding in Wiretap Channel Coding Yuki Mori, Tomohiro Ogawa (UEC) IT2017-143 ISEC2017-131 WBS2017-124 |
According to wiretap channel coding by Wyner, it is possible to encode messages (or secret keys) so that the legitimate ... [more] | IT2017-143 ISEC2017-131 WBS2017-124 pp.237-243 |
| QIT (2nd) |
2016-05-31 15:50 |
Kochi | Kochi University of Technology Eikokuji campus | A Hash Property of Statistical Ensembles and Rlation to Classical-Quantum Channel Coding Tomohiro Ogawa (UEC) |
We treat a certain hash property of ensembles of quantum states in the setting of information-spectrum methods. Consider... [more] | |
| QIT (2nd) |
2014-11-17 15:00 |
Miyagi | Tohoku Univ. | Strong Converse Exponent for Classical-Quantum Channel Coding Milan Mosonyi (UAB, BME), Tomohiro Ogawa (UEC) |
We determine the exact strong converse exponent of classical-quantum channel coding, for every rate above the Holevo ca... [more] |
|
| QIT (2nd) |
2013-11-19 16:10 |
Tokyo | Waseda Univ. | Quantum Hypothesis Testing and an Operational Interpretation of the Quantum Renyi Relative Entropies Milan Mosonyi (BME), Tomohiro Ogawa (UEC) |
In quantum information theory, we can consider various analogues of the classical Renyi relative entropy, among which th... [more] | |
| IT, ISEC, WBS | 2013-03-07 10:55 |
Osaka | Kwansei Gakuin Univ., Osaka-Umeda Campus | On a channel-simulation scheme based on reverse Shannon theorem Daichi Nagai, Tomohiro Ogawa (Univ. of Electro- Comm.) IT2012-63 ISEC2012-81 WBS2012-49 |
Reverse Shannon theorem (RST) was established by Bennett et al. in 2002. RST shows that an arbitrarily given discrete m... [more] |
IT2012-63 ISEC2012-81 WBS2012-49 pp.7-11 |
| IT, ISEC, WBS | 2013-03-07 11:20 |
Osaka | Kwansei Gakuin Univ., Osaka-Umeda Campus | A Numerical Study on a Noisy Order of Quantum Channels and Information Quantities Taishi Okazawa, Jun Suzuki, Tomohiro Ogawa (Univ. of Electro- Comm.) IT2012-64 ISEC2012-82 WBS2012-50 |
We study a noisy order of quantum channels called the degraded order, which shows that one channel is a degraded versio... [more] |
IT2012-64 ISEC2012-82 WBS2012-50 pp.13-17 |
| IT, ISEC, WBS | 2013-03-08 14:45 |
Osaka | Kwansei Gakuin Univ., Osaka-Umeda Campus | Word Prediction by PPM Algorithm in English and Thai Languages Soukalom Sosouphanh, Tomohiro Ogawa (Univ. of Electro- Comm.) IT2012-101 ISEC2012-119 WBS2012-87 |
It is possible to develop word prediction systems in English or Japanese by using the Trie which is constructed based o... [more] |
IT2012-101 ISEC2012-119 WBS2012-87 pp.247-250 |
| QIT (2nd) |
2012-11-28 16:40 |
Kanagawa | Keio Univ. Hiyoshi Campus | On general formulas for c-q channel resolvability, private capacity, and q-q capacity Tomohiro Ogawa (UEC) |
[more] | |
| IT, WBS, ISEC | 2005-03-18 11:10 |
Kyoto | Kyoto Univ. | Secure multiple coding to attain the channel capacity in wiretap channels Daisuke Kobayashi, Hirosuke Yamamoto, Tomohiro Ogawa (The Univ. of Tokyo) |
It is known that information can be transmitted safely against any wiretapper via a noisy channel if the coding rate is ... [more] | IT2004-73 ISEC2004-129 WBS2004-188 pp.19-24 |
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