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  Presentations, refereed   Presentations, no referee   Presentations by my students


査読あり発表(Presentations, refereed):

35. Akira SaiToh, Practical difficulty and techniques in matrix-product-state simulation of quantum computing in Hilbert space and Liouville space, 21st Conference on Applications of Computer Algebra (ACA 2015), (talk), Kalamata, Greece, 20-23 July 2015.
34. Akira SaiToh, Highly accurate numerical evaluation of quantum errors in the circuit model, International Iran Conference on Quantum Information 2014, (talk), Isfahan University of Technology, Isfahan, Iran, 6-10 September 2014.
33. Akira SaiToh, On the hardness of practical instances for time-dependent MPS simulation of typical quantum algorithms, The 12th Asia Pacific Physics Conference (APPC12), (poster), Makuhari Messe, Chiba, Japan, 14-19 July 2013.
32. Akira SaiToh, Realistic cost for the model of coherent computing, The 8th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC2013), (poster with a preview in the rump session), University of Guelph, Guelph, Canada, 21-23 May 2013.
31. Akira SaiToh, William J. Munro, and Kae Nemoto, High precision computation for spectrum simulations of quantum system dynamics, International Conference on Quantum Information and Technology 2013 (ICQIT2013), (poster), NII, Tokyo, Japan, 16-18 January 2013.
30. Akira SaiToh, A multiprecision C++ library for matrix-product-state simulation of quantum computing, Conference on Computational Physics 2012 (CCP2012), (poster), Kobe, Japan, 14-18 October 2012.
29. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Semiclassical genetic algorithm with quantum crossover and mutation operations, TQC 2012, (poster), University of Tokyo, Tokyo, Japan, 17-19 May 2012.
28. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Linear preserver theory revisited in the context of nonclassical correlation, Quantum Discord Workshop 2012, (talk), Singapore, 9-13 January 2012.
27. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Quantum search based on a fitness distribution, AQIS'11, (poster with a preview), Pukyong National University, Busan, Korea, 24-27 August 2011.
26. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Limitation for linear maps in a class for detection and quantification of bipartite nonclassical correlation, 14th Workshop on Quantum Information Processing (QIP 2011), (poster), Sentosa, Singapore, 10-14 January 2011.
25. Akira SaiToh, Practical evaluation of an MPS simulation as a classical search tool, International Iran Conference on Quantum Information 2010, (talk), International Campus of Sharif University of Technology, Kish, Kish Island, Iran, 11-14 September 2010.
24. Robabeh Rahimi and Akira SaiToh, Nonclassical correlation in superdense coding for ENDOR-like systems with a static decoherence control, AQIS'10, (poster), University of Tokyo, Tokyo, Japan, 27-31 August 2010.
23. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Nonclassical-correlation witness for a single-run detection, QIP 2010, (poster), ETH, Zurich, Switzerland, 18-22 January 2010.
22. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Linear and Nonlinear Maps for Detection and Quantification of Nonclassical Correlations, International Conference on Quantum Information and Technology, (poster), National Institute of Informatics, Tokyo, Japan, 2-5 December 2009.
21. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Time Evolution of Non-Classical Correlated States for an Economical Approach to Quantum Information Processing, 2nd International Workshop on Dynamics and Manipulation of Quantum Systems, (talk), Koshiba Hall, Tokyo University, Tokyo, Japan, 13-16 October 2009.
20. Akira SaiToh, Matrix-product-state simulation of a bulk-ensemble quantum database search as a solver of NP problems, Workshop on Matrix Product State Formulation and Density Matrix Renormalization Group Simulations (MPS&DMRG), (talk), Oxford Kobe Institute, Kobe, Japan, 12-13 August 2009.
19. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Economical (k,m)-threshold controlled quantum teleportation, 4th Workshop on Theory of Quantum Computation, Communication and Cryptography, (poster), Institute for Quantum Computing, University of Waterloo, Waterloo, Canada, 11-13 May 2009.
18. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Variants of Controlled Quantum Teleportation: Toward Controllers' Majority Vote, AQIS 2008, (poster), Korean Institute of Advanced Study, Seoul, Korea, 25-31 August 2008.
17. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Quantum metagame of a noncooperative bimatrix game, QCMC2008, (poster), University of Calgary, Calgary, Canada, 19-24 August 2008.
16. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Multiparty Controlled Quantum Teleportation of an Arbitrary Quantum State via W-State, QCMC2008, (poster), University of Calgary, Calgary, Canada, 19-24 August 2008.
15. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, EnCE: a class of maps to detect and quantify nonclassical correlation, 4APCQIS, (poster), Palm Cove Conference Centre, Cairns, Australia, 2-5 July 2008.
14. Akira SaiToh and Robabeh Rahimi, Yet another framework of a quantum noncooperative game, QIP 2008, (poster), Indian International Centre, New Delhi, India, 17th-21st December 2007.
13. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Quantum Wipe Effect for Coherence Conservation, First International Conference on Quantum Error Correction, (poster), USC, Los Angeles, USA, 17th-21st December 2007.
12. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Evaluating measures of nonclassical correlation in a multipartite quantum system, Noise Information & Complexity @ Quantum Scale, (poster), Erice, Italy, 4th-10th November 2007.
11. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Coherence Conservation by Quantum Wipe Effect, Noise Information & Complexity @ Quantum Scale, (poster), Erice, Italy, 4th-10th November 2007.
10. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Non-classical correlation in a multipartite quantum system reconsidered, IICQI07, (talk), Kish, Iran, 7th-10th September 2007.
9. Robabeh Rahimi et al. including Akira SaiToh, Generation of entanglement and suppression of decoherence in ENDOR-based quantum computing, IICQI07, (talk), Kish, Iran, 7th-10th September 2007.
8. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Quantum wipe effect for coherence conservation, AQIS 2007, (poster), Kyoto, 3rd-6th September 2007.
7. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Entanglement and decoherence in electron spin bus systems for quantum computing, AQIS 2007, (talk), Kyoto, 3rd-6th September 2007.
6. Akira SaiToh and Robabeh Rahimi, Non-classical correlation in a class of separable density operators reconsidered, QIP'07, (poster), Brisbane, Australia, 30th January-3rd February 2007.
5. Robabeh Rahimi, Kazunobu Sato, Akira SaiToh, Takeji Takui, and Mikio Nakahara, Bang-bang control of entanglement between electron and nuclear spins, QIP'07, (poster), Brisbane, Australia, 30th January-3rd February 2007.
4. Akira SaiToh and Masahiro Kitagawa, Solving X3HS using a matrix-product-state simulation of an extended Brüschweiler search, QCMC2006, (poster), Tsukuba, 29th November-3rd December 2006.
3. Robabeh Rahimi, Akira SaiToh, Mikio Nakahara, and Masahiro Kitagawa, Single-Experiment-Detectable Multipartite Entanglement Witness for Ensemble Quantum Computing, QCMC2006, (poster), Tsukuba, 29th November-3rd December 2006.
2. Akira SaiToh and Robabeh Rahimi, Two theorems for quick finding of entanglement in a multi-qubit density operator, ICQFT'2006, (poster), Zhejiang University, Hangzhou, China, August 25-31, 2006.
1. SAITOH Akira and Masahiro Kitagawa, Macroscopic Binary Entropy in the Initialization of NMR Computers, EQIS'03, (poster), Kyoto, Japan, September 4-6, 2003.

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査読なし発表(Presentations, no referee):

58. 齋藤暁, 超高精度高速量子計算機シミュレーションライブラリのGPGPUによる高速化と今後の展望, 第8回QUATUO研究会, (poster), No.B5, 高知工科大学, 高知, 2018年10月6日-7日.
57. 齋藤暁, 部分的なGPGPUによる多倍長精度の量子計算機シミュレーションの高速化, 電子情報通信学会2018年総合大会, (talk), D-1-6, 東京電気大学, 東京, 2018年3月20日-23日.
56. Akira SaiToh, Parallel multiple-precision MPS simulation of quantum computing, 2017 International Workshop on Quantum Information, Quantum Computing and Quantum Control, (invited talk), Shanghai University, Shanghai, China, December 19-21, 2017.
55. 齋藤暁, RRDPS量子鍵配送の安全性証明の否定的検証, 日本物理学会2016年秋季大会, (talk), 15aKH-6, 金沢大学, 金沢, 2016年9月13日-16日.
54. 齋藤暁, DQC1アルゴリズムのMPSシミュレーションコストについて, 日本物理学会第71回年次大会, (talk), 22pBJ-3, 東北学院大学, 仙台, 2016年3月19-22日.
53. Akira SaiToh, MPS simulation of a DQC1 quantum algorithm, The 75th Okazaki Conference ``Tensor Network States: Algorithms and Applications 2016'', (poster), Okazaki Conference Center, Okazaki, Japan, January 11-14, 2016.
52. Akihide Miyazaki, Shinri Yamada, Akira SaiToh*, Shinji Hamada, and Hideo Sekino, Error Control of Quantum Walk, Workshop of Quantum Simulation and Quantum Walks 2015, (poster), Yokohama National University, Yokohama, Japan, November 16-18, 2015.
51. 齋藤暁, アンサンブル系の量子相関と計算能力, 近畿大学連続講演会, (talk), 近畿大学, 大阪, 2015年3月9日.
50. 齋藤暁, アンサンブル量子DA変換における量子相関, 第4回QUATUO研究会, (poster), 高知工科大学, 香美, 2015年1月11-12日.
49. Akira SaiToh, Recent progress in a multiprecision MPS simulation library for quantum information science, 4th International Workshop on Massively Parallel Programming Now in Quantum Chemistry and Physics - Toward post-K computers, (poster), University of Tokyo, Tokyo, Japan, November 23-24, 2014.
48. Akira SaiToh, Numerical estimation of quantum errors using multiprecision MPS, CMSI International Workshop 2014: Tensor Network Algorithms in Materials Science, (poster), RIKEN AICS, Kobe, Japan, October 20-22, 2014.
47. 齋藤暁, 量子緩和を利用した量子DA変換アルゴリズム, コンピュテーション研究会, (talk), 信学技報 vol.114, no.199, COMP2014-21, pp.43-49, 豊橋技術科学大学, 豊橋, 2014年9月2日.
46. Akira SaiToh, Proposal of a quantum digital-to-analog converter for bulk-ensemble machines, Physics of Quantum Information Processing (a satellite workshop of AQIS 2014), (poster), Osaka University, Toyonaka, Japan, August 25-26, 2014.
45. 齋藤暁, 時間依存密度行列繰込群による量子計算機のシミュレーションの実際, 基礎物理学研究所研究会 量子情報の新展開-複雑性の極限における普遍的物理の探求-, (invited talk), 京都大学, 京都, 2014年3月23-25日.
44. Akira SaiToh, Development of Multi-precision Time-Dependent Matrix Product State Library for Simulating Quantum Computation, 7th Beyond Simulation Forum, (talk), Toyohashi University of Technology, Toyohashi, Japan, February 5, 2014.
43. 齋藤暁, 多倍長精度のオペレータ空間時間依存行列積ライブラリの開発状況と展望, 第3回QUATUO研究会, (poster with a preview), 高知工科大学, 香美, 2014年1月11-12日.
42. 齋藤暁, アニーリング機械の現実的な計算能力について, 日本物理学会2013年秋季大会, (talk), 25pBB-6, 概要集2, p.132, 徳島大学, 徳島, 2013年9月25-28日.
41. Akira SaiToh, Fast and accurate simulation of quantum computing by multi-precision MPS: recent development, Summer Workshop on ``Physics, Mathematics, And All That Quantum Jazz'', (talk), Kinki University, Higashi-Osaka, Japan, August 7-9, 2013.
40. 齋藤暁, 量子アルゴリズム実行中のSchmidt係数分布について, 日本物理学会第68回年次大会, (talk), 28pEG-11, 概要集2, p.237, 広島大学, 東広島, 2013年3月26-29日.
39. Akira SaiToh, Multi-precision MPS simulation of quantum computing: reliability and performance, JFLI Meeting on Quantum Information and Computation, (talk), Institut Henri Poincaré, Paris, France, March 4-5, 2013.
38. Akira SaiToh, A C++ library for multiprecision numerical studies of quantum computing, FIRST-Quantum Information Processing Project/Kakenhi-Quantum Cybernetics Project Annual Meeting 2012, (poster), University of Tokyo, Tokyo, Japan, December 12-15, 2012.
37. Akira SaiToh, Numerical errors in time-dependent MPS simulations of quantum computing, 27th Workshop on Quantum Information Technology, (poster), Rep. No. QIT2012-88, in the extended abstract booklet, pp. 186-189, Keio University, Yokohama, Japan, November 27-28, 2012.
36. 齋藤暁, Robabeh Rahimi, 中原幹夫, 量子遺伝的操作の改良, 第26回量子情報技術研究会, (talk), 福井大学, Rep. No. QIT2012-1, 研究会資料 pp.1-6, 2012年5月21-22日.
35. 齋藤暁, Robabeh Rahimi, 中原幹夫, 非古典的相関検出問題の数値的な実際的難しさについての評価, 日本物理学会第67回年次大会, (talk), 24pBE-8, 概要集2, p.194, 関西学院大学, 西宮, 2012年3月24-27日.
34. Akira SaiToh, A Multiprecision Matrix Calculation Library and Its Extension Library for a Matrix-Product-State Simulation of Quantum Computing, 25th Workshop on Quantum Information Technology, (poster), Rep. No. QIT2011-80, in the extended abstract booklet, pp.173-176, Osaka University, Toyonaka, Japan, November 21-22, 2011.
33. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Progress in a quantum genetic algorithm, Symposium on Interface between Quantum Information and Statistical Physics, (talk), Kinki University, Higashi-Osaka, Japan, November 10-12, 2011.
32. 齋藤暁, Robabeh Rahimi, 中原幹夫, 適応度分布に基づく高速な量子遺伝的アルゴリズム, 日本物理学会2011年秋季大会, (talk), 21aED-11, 概要集2, p.125, 富山大学, 富山, 2011年9月21-24日.
31. Akira SaiToh, On a quantum genetic algorithm, International Summer School on Quantum Information Theory - Taiyuan 2011, (talk), Taiyuan University of Technology, Taiyuan (Shanxi), China, July 18-22, 2011.
30. 齋藤暁, Robabeh Rahimi, 中原幹夫, 線形写像による非古典的相関の検出と定量化に関する制限, 日本物理学会第66回年次大会, (talk), 25aRB-12, 概要集2, p.169, 新潟大学, 新潟, 2011年3月25-28日 (日本物理学会が決定したところによると、東北地方太平洋沖地震の影響で大会は中止となったが、概要集が発行されているので発表は成立とのこと。).
29. Akira SaiToh, Detection and quantification of nonclassical correlation (introductory presentation), Symposium on Quantum Information and Quantum Computing 2011, (talk), Kinki University, Higashi-Osaka, Japan, March 11-12, 2011.
28. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Characterizing instances for a decision problem of bipartite nonclassical correlation, 2nd Workshop on Quantum Information Science, (talk), Hong Kong Polytechnic University, Hong Kong, China, January 4-5, 2011.
27. 齋藤暁, Robabeh Rahimi, 中原幹夫, 二体系における非古典相関の決定問題のハード/イージーインスタンス, 日本物理学会2010年秋季大会, (talk), 23aRF-4, 概要集2, p.107, 大阪府立大学, 堺, 2010年9月23-26日.
26. Robabeh Rahimi and Akira SaiToh, Single-experiment-detectable nonclassical correlation witness, APS March Meeting, (talk), Oregon Convention Center, Portland, Oregon, USA, March 15-19, 2010.
25. Akira SaiToh, Performance evaluation of a classical database search that internally simulates an ensemble quantum database search, APS March Meeting, (talk), Oregon Convention Center, Portland, Oregon, USA, March 15-19, 2010.
24. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Nonclassical correlations in quantum systems: detection and quantification, Workshop on Quantum Information Science, (talk), University of Hong Kong, Hong Kong, China, January 7-8, 2010.
23. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Nonclassical Correlation Witness, International Symposium on Quantum Nanophotonics and Nanoelectronics, (talk), Komaba, University of Tokyo, Japan, November 18-20, 2009.
22. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Economical Measure of Nonclassical Correlation, 第20回量子情報技術研究会, (poster), 広島大学, Rep. No. QIT2009-27, pp.118-120, 2009年5月21-22日.
21. Akira SaiToh, Classical & Quantum Prime Factorizations, Symposium on Experimental Aspects of Quantum Computing, (invited talk), Shahid Beheshti University, Tehran, Iran, Jan. 5, 2009.
20. Akira SaiToh, Classical Secret Sharing Schemes and Threshold-Controlled Quantum Teleportation, Symposium on Quantum Computing and Quantum Information Processing, (poster), Shahid Beheshti University, Tehran, Iran, Jan. 3-4, 2009.
19. 齋藤暁, Robabeh Rahimi, 中原幹夫, 量子メタゲーム拡張, 日本物理学会2008年秋季大会, (talk), 岩手大学上田キャンパス, 20aZD-5, 概要集2:98頁, 2008年9月20-23日.
18. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Quantum Wipe Effect, Symposium on Decoherence Suppression in Quantum Systems, (invited talk), Oxford Kobe Institute, Kobe, Japan, Sep. 7-10, 2008.
17. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Entanglement and Decoherence in Molecular-Based Quantum Computer, 日本物理学会第63回年次大会, (talk), 近畿大学東大阪キャンパス, 26aRF-4, 概要集2:202頁, 2008年3月22-26日.
16. Akira SaiToh, Robabeh Rahimi, and Mikio Nakahara, Nonclassical correlation of a multipartite quantum system: two measures and evaluation, 2nd International Workshop on Material Science and Nano-Engineering, (poster), Awaji Yumebutai, Awaji, Japan, Dec. 1-5, 2007.
15. Akira SaiToh, Nonclassical correlation useful for playing a game: quantum mixed-strategy game, Symposium on Physical Realization of Quantum Computing: Superconducting and Molecular Qubits, (talk), Yutorito Higashi-Osaka, Higashi-Osaka, Japan, Oct. 31-Nov. 2, 2007.
14. Akira SaiToh, Robabeh Rahimi, Mikio Nakahara, and Masahiro Kitagawa, Numerical evaluation of decoherence in non-classical correlation, Handai Nanoscience and Nanotechnology International Symposium 2007, (talk), Osaka University, Toyonaka, Japan, September 26-28, 2007.
13. Akira SaiToh, Matrix product state simulation for the study of quantum information processing: An introductory lecture, One-Day Workshop on Topics in Quantum Computing, (talk), Shahid Beheshti University, Tehran, Iran, 15 September 2007.
12. Akira SaiToh, Robabeh Rahimi, Mikio Nakahara, and Masahiro Kitagawa, Numerical computation of time-dependent multipartite nonclassical correlation, Summer School on Mathematical Aspects of Quantum Computing, (poster), Kinki University, Higashi-Osaka, Japan, 27-29 August 2007.
11. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Bang-bang control of entanglement in spin-bus-boson model, Summer School on Mathematical Aspects of Quantum Computing, (poster), Kinki University, Higashi-Osaka, Japan, 27-29 August 2007.
10. Akira SaiToh, Applications of the simulation of a bulk-ensemble search: Evaluation of the power of an MPS simulation of an extended Brüschweiler search in solving NP problems, The 7th Canadian Summer School on Quantum Information, (poster), University of Waterloo, Waterloo, Canada, 27-31 May 2007.
9. Robabeh Rahimi, Akira SaiToh, and Mikio Nakahara, Generation of Entanglement and Suppression of Decoherence for Ensemble Quantum Computing, The 7th Canadian Summer School on Quantum Information, (poster), University of Waterloo, Waterloo, Canada, 27-31 May 2007.
8. Robabeh Rahimi, 齋藤暁, 中原幹夫, 北川勝浩, Single-Experiment-Detectable Multipartite Entanglement Witness for Ensemble Quantum Computing, 日本物理学会2007年春季大会, (talk), 鹿児島大学郡元キャンパス, 19pXG-4, 概要集2:144頁, 2007年3月18-21日.
7. 齋藤暁, 北川勝浩, Simulation and experimental studies on the extended Brüschweiler search, CREST/JST 量子情報ワークショップ in 箱根, 講演集12-12, (poster) 2005年12月12-16日.
6. 齋藤暁, 北川勝浩, NMRの観測を利用した量子データベース検索の数値的評価と再考, 日本物理学会2005年秋季大会, (talk), 同志社大学京田辺キャンパス, 22pWA-2, 概要集2:89頁, 2005年9月19-22日
5. Akira SaiToh and Masahiro Kitagawa, Numerical study on polarization transfer for many qubits, in the abstracts of The International Workshop on Materials Science and Nano-Engineering page 51, (poster), Suita, Japan, 11-14 December 2004.
4. SAITOH Akira and Masahiro Kitagawa, Evaluation of noise effects in a quantum algorithm with a highly mixed state input using an interpreter-type simulator, in the abstracts of The 2004 CREST Symp. on FEMD page 43, (poster), Shinagawa, Japan, 29-30 September 2004.
3. Akira Saitoh and Masahiro Kitagawa, Evaluation of Quantum Algorithms with Thermal Equilibrium Initial States Using an Interpretive Simulator, in Conf. Proc. (only abstracts) International Symposium on Quantum Info-Communications and Related Quantum Nanodevices page 46, (poster), Mita, Japan, 11-12 March 2004.
2. 齋藤暁, 長嶋健介, 北川勝浩, バイアス再配分に基づくNMR量子計算初期化スキームの数値的検証, 日本物理学会第58回年次大会, (talk), 東北大学, 29pYA-4, 概要集2:180頁, 2003年3月28-31日. ※Softwares欄からインタプリターがダウンロードできます。
1. 齋藤暁, 量子計算を模倣する非周期パルス列系, 第6回量子情報技術研究会, (poster), 京大会館, Rep. No. QIT2002-43, pp.203-206, 2002年5月27-28日.

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指導学生の発表(Presentations by my students):

1. 山田真理, 齋藤暁, 濱田信次, 関野秀男, GPUを用いた量子ウォークのエラー抑制シミュレーション, 電子情報通信学会2015年総合大会, (talk), 立命館大学びわこ・くさつキャンパス, A-2-30, 2015年3月10-13日.

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Copyright (c) Akira SaiToh (2008,2011-2018)