論文

  1. Milan Mosonyi, Fumio Hiai, Tomohiro Ogawa, and Mark Fannes, Asymptotic distinguishability measures for shift-invariant quasifree states of fermionic lattice systems, J. Math. Phys., vol. 49, 072104, 2008.

  2. Fumio Hiai, Milan Mosonyi, and Tomohiro Ogawa, Error Exponents in Hypothesis Testing for Correlated States on a Spin Chain, J. Math. Phys., vol. 49, 032112, 2008.

  3. Fumio Hiai, Milan Mosonyi, and Tomohiro Ogawa, Large Deviations and Chernoff Bound for Certain Correlated States on the Spin Chain, J. Math. Phys., vol. 48, 123301, 2007.

  4. Tomohiro Ogawa, and Hiroshi Nagaoka, Making Good Codes for Classical-Quantum Channel Coding via Quantum Hypothesis Testing, IEEE Trans. Inform. Theory, vol. 53, no. 6, pp. 2261-2266 2007.

  5. Tomohiro Ogawa, Akira Sasaki, Mitsugu Iwamoto, and Hirosuke Yamamoto, Quantum Secret Sharing Schemes and Reversibility of Quantum Operations, Physical Review A, 032318, 2005.

  6. Tomohiro Ogawa, and Masahito Hayashi, On Error Exponents in Quantum Hypothesis Testing, IEEE Trans. Infrom. Theory, vol. 50, no. 6, pp. 1368-1372, 2004.

  7. Tomohiro Ogawa, and Hiroshi Nagaoka, Strong Converse and Stein's Lemma in Quantum Hypothesys Testing, IEEE Trans. Inform. Theory, vol. 46, no. 7, pp. 2428-2433, 2000.

  8. Tomohiro Ogawa, and Hiroshi Nagaoka, Strong Converse to the Quantum Channel Coding Theorem, IEEE Trans. Inform. Theory, vol. 45, no. 7, pp. 2486-2489, 1999.

プレプリント

  1. Daisuke Kobayashi, Hirosuke Yamamoto, and Tomohiro Ogawa, Secure Multiplex Coding to Attain the Channel Capacity in Wiretap Channels, arXiv:cs/0509047, 2005. (submitted to IEEE IT, conditionally accepted)

  2. Tomohiro Ogawa, Perfect Quantum Error-Correcting Condition Revisited, quant-ph/0505167, 2005.

紀要・研究所報告

  1. 小川朋宏, 量子通信路の漸近的可逆性, 数理解析研究所講究録 1534, pp. 108-118, 2007.

  2. Tomohiro Ogawa, and Hiroshi Nagaoka, On the Statistical Equivalence for Sets of Quantum States, University of Electro-Communicatios, UEC-IS-2005-5, 2005.

  3. Hiroshi Nagaoka, and Tomohiro Ogawa, On the Markov Equivalence for Sets of Probability Distributions, University of Electro-Communicatios, UEC-IS-2005-4, 2005.

国際会議(査読付き)

  1. Tomohiro Ogawa and Hiroshi Nagaoka, On statistical equivalence for sets of quantum states, Information and Communication, Budapest, Hungary, August, 2008.

  2. Fumio Hiai, Milan Mosonyi, and Tomohiro Ogawa, Hypothesis Testing for Certain Correlated States on a Spin Chain, Asian Conference on Quantum Information Science (AQIS2007), Kyoto, Japan, September, 2007 (Poster Session).

  3. Tomohiro Ogawa, On Reversibility of Quantum Operations and Quantum Secret Sharing Schemes, 37th Symposium on Mathematical Physics "Quantum Entanglement & Geometry," Torun, Poland, June, 2006 (Poster Session).

  4. Tomohiro Ogawa, Remarks on Error Exponents in Quantum Hypothesis Testing, von Neumann Workshop, Budapest, Hungary, May, 2006 (Invited).

  5. Tomohiro Ogawa, On Reversibility of Quantum Operations and Quantum Mutual Informations, 9th Workshop on Quantum Information Processing (QIP2006), Paris, France, January, 2006 (Poster Session).

  6. Tomohiro Ogawa, Akira Sasaki, Mitsugu Iwamoto, and Hirosuke Yamamoto, Quantum Secret Sharing Schemes and Reversibility of Quantum Operations, Proc. of 2004 International Symposium on Information Theory and its Applications (ISITA2004), Parma, Italy, pp. 1440-1445, October, 2004.

  7. Tomohiro Ogawa, and Masahito Hayashi, On Error Exponents in Quantum Hypothesis Testing, Proc. of 2003 IEEE International Symposium on Information Theory, Yokohama, Japan, p.479, July, 2003.

  8. Tomohiro Ogawa, and Hiroshi Nagaoka, A New Proof of the Channel Coding Theorem via Hypothesis Testing in Quantum Information Theory, Proc. of 2002 IEEE International Symposium on Information Theory, Lausanne, Switzerland, p.73, July, 2002.

  9. Tomohiro Ogawa and Masahito Hayashi, A New Proof of the Direct Part of the Quantum Stein's Lemma, Erato Workshop on Quantum Information Science 2001 (EQIS2001), Tokyo, Japan, p. 57, September, 2001 (Poster Session).

  10. Tomohiro Ogawa, On the Direct Part of Hypothesis Testing and Channel Coding in Quantum Information Theory, The International Conference on Fundamentals of Electronics, Communications and Computer Sciences (ICFS2002), pp. (S6-1)-(S6-6) Tokyo, Japan, March, 2002 (Invited).

  11. Tomohiro Ogawa and Hiroshi Nagaoka, Strong Converse Theorems in the Quantum Information Theory, Proc. of 1999 IEEE Information Theory and Networking Workshop, Metsovo, Greece, P.54 , June, 1999.

国際会議(査読なし)

  1. Tomohiro Ogawa, On Asymptotic Sufficiency of Classical and Quantum Channel, Sendai-Workshop 2008, Sendai, Japan, September 13, 2008.

  2. Tomohiro Ogawa, On Asymptotic Reversibility of Quantum Operations, 5th Asian-European Workshop on Information Theory (AEW5), Jeju, South-Korea, October, 2006.

  3. Tomohiro Ogawa, Akira Sasaki, Mitsugu Iwamoto, and Hirosuke Yamamoto, Quantum Ramp Secret Sharing Schemes, The 2004 Workshop on Information Security Research Supported by MEXT Grant-in-Aid Scientific Research on Priority Area "Informatics," Fukuoka, Japan, September, 2004.

  4. Tomohiro Ogawa, On Quantum Hypothesis Testing and Large Deviation Principle, Sendai Workshop on Quantum Probability and Quantum Information, Sendai, Japan, June, 2003.

国内シンポジウム/研究会

  1. 小川朋宏, 通信路の漸近十分性と通信路符号化定理, 第31回情報理論とその応用シンポジウム (SITA2008), pp. 445-449, 2008.

  2. 小川朋宏, 量子仮説検定と量子通信路の可逆性 — 量子相対エントロピーの役割 —, 電子情報通信学会ソサイエティ大会 (招待講演), 明治大学, 2008.

  3. 小川朋宏, 佐々木朗, 岩本貢, 山本博資, 量子秘密分散法の符号化効率評価と構成法 第26回情報理論とその応用シンポジウム (SITA2003), pp. 227-230, 2003.

  4. 小川 朋宏,林 正人, On the Exponential Rates of the Error Probabilities in Quantum Hypothesis Testing 第6回量子情報技術研究会(QIT6)資料, pp. 75-80, 2002.

  5. Tomohiro Ogawa and Hiroshi Nagaoka, A New Proof of the Channel Coding Theorem via Hypothesis Testing in Quantum Information Theory, Proc. of the 24th Symposium on Information Theory and Its Applications (SITA2001), pp. 599-602, 2001.

  6. Tomohiro Ogawa and Masahito Hayashi, A New Proof of the Direct Part of Stein's Lemma in Quantum Hypothesis Testing, Proc. of the 24th Symposium on Information Theory and Its Applications (SITA2001), pp. 595-598, 2001.

  7. 小川朋宏, 量子通信路符号化定理とその周辺, 第76回アルゴリズム研究会 (招待講演), 2000.

  8. 小川朋宏,長岡浩司, 量子情報理論における強逆定理について, 量子計算研究会(関西), 1999.

  9. 小川朋宏,長岡浩司, 量子情報理論における強逆定理について, 量子計算研究会(関東), 1999.

  10. 小川朋宏,長岡浩司, Strong Converse and Stein's Lemma in Quantum Hypothesys Testing, シャノン理論50周年記念ワークショップ予稿集, 山梨, 1999.

  11. 小川朋宏,長岡浩司, Strong Converse to the Quantum Channel Coding Theorem, 科研費シンポジウム「ガウス過程と量子解析」, 1998.

  12. 小川朋宏,長岡浩司, Strong Converse to the Quantum Channel Coding Theorem, 科研費シンポジウム「統計的推測理論とその情報論的側面」, pp. 42-48, 1998.

  13. 小川朋宏, 周期定常過程のウェープレット解析, 第20回情報理論とその応用シンポジウム(SITA97), pp. 657-660, 1997.

著書・解説書等

  1. 数理科学事典第4版,1.9章「量子情報理論」担当 (出版予定)

  2. M. Hayashi, ed., Asymptotic Theory of Quantum Statistical Inference: Selected Papers, World Scientific Press, Singapore, 2005, Chapter 2: "Tomohiro Ogawa and Hiroshi Nagaoka, Strong Converse and Stein's Lemma in Quantum Hypothesys Testing"

学位論文

学術上の賞等