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Fujiwara Akio  藤原 彰夫

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FUJIWARA Akio  藤原 彰夫

藤原 彰夫  フジワラ アキオ

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Researcher Number 30251359
Other IDs
Affiliation (Current) 2022: 大阪大学, 大学院理学研究科, 教授
Affiliation (based on the past Project Information) *help 2016 – 2021: 大阪大学, 理学研究科, 教授
2012 – 2015: 大阪大学, 理学(系)研究科(研究院), 教授
2014: 大阪大学, 理学研究科, 教授
2012: 大阪大学, 大学院・理学研究科, 教授
2010 – 2012: 大阪大学, 理学研究科, 教授 … More
2011: 大阪大学, 理工学研究科, 教授
2007 – 2009: 大阪大学, 大学院・理学研究科, 教授
2005 – 2007: Osaka University, Graduate School of Science, Professor, 理学研究科, 教授
2006: 大阪大学, 大学院理学研究科, 教授
2005: Osaka University, Grad.School of Science, Professor, 大学院・理学研究科, 教授
2004: 大阪大学, 理学研究科, 助教授
2000 – 2004: 大阪大学, 大学院・理学研究科, 助教授
1999 – 2000: Grad. Sch. Sci., Osaka Univ, Lecturer, 大学院・理学研究科, 講師
1998: 阪大, 理学(系)研究科, 講師
1996 – 1997: Osaka University, Graduate School of Science, Lecturer, 大学院・理学研究科, 講師
1995: 大阪大学, 理学部, 講師
1993: 東京大学, 工学部, 助手 Less
Review Section/Research Field
Principal Investigator
General mathematics (including Probability theory/Statistical mathematics) / General mathematics (including Probability theory/Statistical mathematics) / Foundations of mathematics/Applied mathematics / Science and Engineering
Except Principal Investigator
Geometry / Algebra / Fundamental theory of informatics / Engineering fundamentals / Intelligent informatics / General mathematics (including Probability theory/Statistical mathematics) / 解析学 / General mathematics (including Probability theory/Statistical mathematics) / 情報通信工学
Keywords
Principal Investigator
情報幾何学 / 情報幾何 / 量子情報 / 情報理論 / 量子情報理論 / 完全正写像 / エントロピー / 非可換統計学 / 量子推定理論 / 適応的推定 … More / 局所漸近正規性 / 経験確率 / 量子通信路 / エンタングルド状態 / quantum channel / asymptotics / 量子情報系 / 量子通信システム / 統計的漸近理論 / 操作的通信路容量 / 量子エントロピー / 凸解析 / 半古典的通信路 / 量子力学 / 主ファイバー束 / ベリ-の位相 / 量子誤り訂正符号 / 量子コンピュータ / アルゴリズム / エルゴード理論 / 計算理論 / マーチンレフ乱数 / αダイバージェンス / 相対エントロピー / 特異 / ランダム / 尤度比 / 仮説検定 / 統計力学 / 平均場近似 / スピン / 有効ハミルトニアン / 自由エネルギー / 量子推定 / 凸計画問題 / スピン緩和時間 / ランダム測定 / ファイバーバンドル / 量子通信路の推定 / ユニタリ群 / 既約表現 / スコア関数 / 捩率 / サイバネティクス / 量子工学 / 適合度検定 / 区間推定 / 最尤推定 / 量子光学 / 量子確率空間 / 量子統計学 / 非可換確率論 / Markov不変性 / 量子仮説検定 / 単調計量 / 双対平坦 / 適応的量子推定 / Finsler計量 / 繰り込み群 / 撹乱パラメタ / 統計数学 / ユニバーサル符号化 / ランダムネス / ダイバージェンス / ランダム行列 / 符号理論 / 漸近理論 / 操作的容量 / 直交性 / quantum information / quantum estimation / random matrix / entropy / coding theory / entangled state / クラメル・ラオ不等式 / マーチンゲール / 表現論 / 漸近論 / パラメータ推定 / 量子幾何 / Pauli通信路(パウリ通信路) / 量子Fisher情報量 / complete positivity / information geometry / adaptive estimation / Cramer-Rao inequality / martingale / representation theory / 凸性 / 同時凸性 / 単調性 / 凸ゲーム / 意見収斂 / ランダム力学系 / 統計多様体 / 非可換Lebesgue分解 … More
Except Principal Investigator
量子情報理論 / 保型形式 / Kahler-Einstein計量 / 情報理論 / 情報幾何学 / 情報幾何 / 通信路容量 / 情報スペクトル / ボルツマンマシン / 量子仮説検定 / 神経回路網 / 学習曲線 / 情報量規準 / 汎化誤差 / 訓練誤差 / ジョルダン代数 / 次元公式 / 跡公式 / アイゼンショタイン級数 / ジーゲルアイゼンシュタイン級数 / 概均質ベクトル空間 / ジーゲル上半空間 / ハミルトン正則ベクトル場 / multiplier-Hermition計量 / 「捩れのある」エルミート接続 / Myersの直径有界性定理 / Kahler-Ricci soliton / 熱核評価の方法 / グリーン関数 / multiplier-Hermitian計量 / Meyerの直径有界性定理 / multiplier Hermitian 計量 / 指数型分布族 / 十分統計量 / 大偏差理論 / 数理工学 / 統計学 / 統計力学 / 平均場近似 / ベイズネット / 情報量基準 / 一致性 / ガウシアン / 統計科学 / ベイジアンネットワーク / モデル選択 / 因果同定 / 離散変数と連続変数 / 線形回帰分析 / Hannan-Quinn / 一般化熱統計学 / 正定値対称行列 / 力学系 / 共形平坦化 / 一般化指数型分布 / 非線型シュレディンガー方程式 / 渦系の方程式 / 3次元等質空間 / 渦糸の方程式 / シュレディンガー方程式 / 渦糸 / 橋本変換 / ケーラー多様体 / 対称空間 / nonlinear Schro-dinger equation / vortex filament equation / 3-dimensional nomogeneous space / ウェーブレット / 時間周波数解析 / 画像処理 / フーリエ変換 / 超局所解析 / 通信理論 / 擬微分作用素 / 特異性 / 多重解像度解析 / フレーム / ガボール変換 / 多重ウェーブレット / L^2(R^n)-空間 / 完全正規直交系 / wavelet / time-frequency analysis / image processing / Fourier Transformation / microlocal analysis / communication / pseudo-differential / singularity / 曲線 / 曲面 / 頂点 / 平均曲率一定 / 円錐的特異点 / 双曲型空間 / 錐的特異点 / Cuvue / Suvface / Vertex / Constant mean cuvuature / Conlcal Singularity / エルミート定数 / 代数群 / 簡約理論 / 旗多様性 / 玉河数 / アデール幾何 / 節約理論 / 旗多様体 / 代数多様体の有理点 / Hermite constant / Algebraic groud / Reduction theory / Flag variety / Tamagawa number / Adels geometry / マルチフラクタル / 次元スペクトル / 自己アファイン集合 / 自己ファイン集合 / 特異性スペクトル / ルジャンドル変換 / ソフィック測度 / multifractal / dimension spectrum / self-affine set / Hitchin-Kobayashi対応 / 安定性 / Extremal Kahler計量 / 定スカラー曲率 / Zhangの臨界計量 / Chow計量 / 漸近的ベルグマン核 / Extremal-Kahler計量 / Zhnng / Bando-Calabi-Futaki指標 / kahler-Einstein計量 / Zhang / Hitchin-Kobayashi correspondence / Stability / Kahler-Einstein metric / Extremal Kahler metric / constant scalar curvature / Zhang's critical matric / Chow metric / Asymptotic Bergman Kernel / 量子通信路 / ユニバーサル符号 / データ圧縮 / 情報源符号化 / 仮説検定 / 漸近理論 / Information Theory / Information Spectrum / Quantum Information Theory / Quantum Channel / Universal Coding / Data Compression / 量子情報幾何 / 量子推定 / 相対エントロピー / information geometry / quantum information geometry / quantum information theory / quantum estimation / relative entropy Less
  • Research Projects

    (26 results)
  • Research Products

    (68 results)
  • Co-Researchers

    (45 People)
  •  古典および量子統計的システムにおける新規な情報幾何構造の探究Principal Investigator

    • Principal Investigator
      藤原 彰夫
    • Project Period (FY)
      2017 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Foundations of mathematics/Applied mathematics
    • Research Institution
      Osaka University
  •  Structures of empirical probability spaces associated with convex gamesPrincipal Investigator

    • Principal Investigator
      Fujiwara Akio
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Foundations of mathematics/Applied mathematics
    • Research Institution
      Osaka University
  •  Information geometry of generalized thermostatistics and its applications

    • Principal Investigator
      OHARA Atsumi
    • Project Period (FY)
      2011 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      University of Fukui
  •  量子サイバネティクスにおける量子推定理論の新たな展開Principal Investigator

    • Principal Investigator
      藤原 彰夫
    • Project Period (FY)
      2010 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      Osaka University
  •  Exploring Information Geometrical Methods in Noncommutative Probability TheoryPrincipal Investigator

    • Principal Investigator
      Fujiwara Akio
    • Project Period (FY)
      2010 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  Information theoretic study of empirical probabilityPrincipal Investigator

    • Principal Investigator
      FUJIWARA Akio
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  Consistency of Bayesian Network Structure Learning

    • Principal Investigator
      SUZUKI Joe
    • Project Period (FY)
      2009 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Intelligent informatics
    • Research Institution
      Osaka University
  •  Quantum information geometrical methods in noncommutative statisticsPrincipal Investigator

    • Principal Investigator
      FUJIWARA Akio
    • Project Period (FY)
      2006 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  New development of sufficiency and exponential families in classical and quantum information systems

    • Principal Investigator
      NAGAOKA Hiroshi
    • Project Period (FY)
      2006 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Fundamental theory of informatics
    • Research Institution
      The University of Electro-Communications
  •  アルゴリズム的エルゴード理論Principal Investigator

    • Principal Investigator
      藤原 彰夫
    • Project Period (FY)
      2005 – 2007
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  Statistical Estimation Theory for Quantum ChannelsPrincipal Investigator

    • Principal Investigator
      FUJIWARA Akio
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  Information Geometry for Quantum Systems and Its Applications

    • Principal Investigator
      NAGAOKA Hiroshi
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Fundamental theory of informatics
    • Research Institution
      The University of Electro-Communications
  •  捩れをもつ接続の幾何学

    • Principal Investigator
      満渕 俊樹
    • Project Period (FY)
      2001 – 2003
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Geometry
    • Research Institution
      Osaka University
  •  The Hitchin-Kobayashi correspondence for Manifolds

    • Principal Investigator
      MABUTCHI Toshiki
    • Project Period (FY)
      2001 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Osaka University
  •  New Developments of Information-Spectrum Theory

    • Principal Investigator
      HAN Te sun
    • Project Period (FY)
      2001 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      情報通信工学
    • Research Institution
      The University of Electro-Communications
  •  Geometry of Numbers on Homogeneous Spaces and Generalized Hermite Constants

    • Principal Investigator
      WATANABE Takao
    • Project Period (FY)
      2000 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Algebra
    • Research Institution
      Osaka University
  •  Multivariable multifractal analysis

    • Principal Investigator
      TAKAHASHI Satoshi
    • Project Period (FY)
      2000 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Nara Women's University
  •  Operational methods in quantum information theoryPrincipal Investigator

    • Principal Investigator
      FUJIWARA Akio
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  量子状態の情報幾何構造の研究Principal Investigator

    • Principal Investigator
      藤原 彰夫
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  Theory of multi-wavelet and its application

    • Principal Investigator
      NAGASE Michihiro
    • Project Period (FY)
      1997 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      解析学
    • Research Institution
      Osaka University
  •  A Modern Approach to Geometry of Curves and Surtaces and its Applications

    • Principal Investigator
      UMEHARA Masaaki
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      HIROSHIMA UNIVERSITY
      Osaka University
  •  量子情報系の統計的漸近理論Principal Investigator

    • Principal Investigator
      藤原 彰夫
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Osaka University
  •  Maass Koecher Seriesの研究

    • Principal Investigator
      伊吹山 知義
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Algebra
    • Research Institution
      Osaka University
  •  ジョルダン代数のゼ-ヌ関数と保型形式の次元

    • Principal Investigator
      IBUKIYAMA Tomoyoshi
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Osaka University
  •  Nonlinear Schrodinger eqnations on riemannian manitolds

    • Principal Investigator
      KOISO Norihito
    • Project Period (FY)
      1995 – 1996
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Geometry
    • Research Institution
      Osaka University
  •  神経回路モデルに基づく学習情報処理機構の研究

    • Principal Investigator
      甘利 俊一
    • Project Period (FY)
      1993
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Engineering fundamentals
    • Research Institution
      The University of Tokyo

All 2020 2018 2017 2016 2015 2013 2011 2010 2009 2008 2007 2006 2005 2004 2003 Other

All Journal Article Presentation Book

  • [Book] 情報幾何学の基礎2015

    • Author(s)
      藤原彰夫
    • Total Pages
      223
    • Publisher
      牧野書店
    • Data Source
      KAKENHI-PROJECT-22340019
  • [Book] Asymptotic Theory of Quantum Statistical Inference2005

    • Author(s)
      M.Hayashi(ed), 分担執筆:H.Nagaoka, A.Fujiwara他
    • Total Pages
      542
    • Publisher
      World Scientific
    • Data Source
      KAKENHI-PROJECT-15500004
  • [Journal Article] Noncommutative Lebesgue decomposition and contiguity with applications in quantum statistics2020

    • Author(s)
      Fujiwara Akio、Yamagata Koichi
    • Journal Title

      Bernoulli

      Volume: 26 Pages: 2105-2142

    • DOI

      10.3150/19-bej1185

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H02861
  • [Journal Article] Dually flat structures induced from monotone metrics on a two-level quantum state space2020

    • Author(s)
      Fujiwara Akio
    • Journal Title

      The European Physical Journal Plus

      Volume: 135 Pages: 860-860

    • DOI

      10.1140/epjp/s13360-020-00877-9

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H02861
  • [Journal Article] Adaptive quantum state estimation for dynamic quantum states2020

    • Author(s)
      S. Nohara, R. Okamoto, A. Fujiwara, and S. Takeuchi
    • Journal Title

      Physical Review A

      Volume: 102

    • DOI

      10.1103/physreva.102.030401

    • NAID

      120006888443

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18J22804, KAKENHI-PROJECT-17H02861
  • [Journal Article] Complementing Chentsov's characterization2018

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Springer Proceedings in Mathematics & Statistics

      Volume: 252 Pages: 335-347

    • DOI

      10.1007/978-3-319-97798-0_13

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H02861
  • [Journal Article] Information Geometry of Randomized Quantum State Tomography2018

    • Author(s)
      Akio Fujiwara and Koichi Yamagata
    • Journal Title

      Entropy

      Volume: 20 Pages: 609-609

    • DOI

      10.3390/e20080609

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H02861
  • [Journal Article] Experimental demonstration of adaptive quantum state estimation for single photonic qubits2017

    • Author(s)
      Okamoto Ryo、Oyama Satoshi、Yamagata Koichi、Fujiwara Akio、Takeuchi Shigeki
    • Journal Title

      Physical Review A

      Volume: 96 Pages: 022124-022124

    • DOI

      10.1103/physreva.96.022124

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-26220712, KAKENHI-PROJECT-17H02861
  • [Journal Article] Information geometry of sandwiched Renyi α-divergence2017

    • Author(s)
      Kaito Takahashi and Akio Fujiwara
    • Journal Title

      Journal of Physics A: Mathematical and Theoretical

      Volume: 50 Pages: 165301-165301

    • DOI

      10.1088/1751-8121/aa6326

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K13459
  • [Journal Article] Quantum local asymptotic normality based on a new quantum likelihood ratio2013

    • Author(s)
      Koichi Yamagata, Akio Fujiwara, Richard D. Gill
    • Journal Title

      Annals of Statistics

      Volume: 41 Pages: 2197-2217

    • DOI

      10.1214/13-aos1147

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22340019
  • [Journal Article] Hereditary structure in Hamiltonians : Information geometry of Ising spin chains2010

    • Author(s)
      Akio Fujiwara, Shigeru Shuto
    • Journal Title

      Physics LettersA 374

      Pages: 911-914

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Hereditary structure in Hamiltonians: Information geometry of Ising spin chains2010

    • Author(s)
      Akio Fujiwara, Shigeru Shuto
    • Journal Title

      Physics Letters A vol.374

      Pages: 911-914

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] A fibre bundle over manifolds of quantum channels and its application to quantum statistics2008

    • Author(s)
      Akio Fujiwara, Hiroshi Imai
    • Journal Title

      Journal of Physics A: Mathematical and Theoretical vol.41

      Pages: 255304-255304

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] A fibre bundle over manifolds of quantum channels and its application to quantum statistics2008

    • Author(s)
      Akio Fujiwara and Hiroshi Imai
    • Journal Title

      Journal of Physics A : Mathematical and Theoretical vol.41

      Pages: 255304-255304

    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Randomness criteria in terms of α-divergences2008

    • Author(s)
      Akio Fujiwara
    • Journal Title

      IEEE Transactions on Information Theory vol.54

      Pages: 1252-1261

    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Randomness criteria in terms of α-divergences2008

    • Author(s)
      Akio Fujiwara
    • Journal Title

      IEEE Transactions on Information Theory 54

      Pages: 1252-1261

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17654025
  • [Journal Article] Randomness criteria in terms of a-divergences2008

    • Author(s)
      Akio Fujiwara
    • Journal Title

      IEEE Transactions on Information Theory 54

      Pages: 1252-1261

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Randomness criteria in terms ofα-divergences2008

    • Author(s)
      Akio Fujiwara
    • Journal Title

      IEEE Transactions on Information Theory vol.54

      Pages: 1252-1261

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Geometry of optimal estimation scheme for SU(D) channels2007

    • Author(s)
      H. Imai and A. Fujiwara
    • Journal Title

      Journal of Physics A: Mathematical and Theoretical 40

      Pages: 4391-4400

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Geometry of optimal estimation scheme for SU(D) channels2007

    • Author(s)
      Hiroshi Imai and Akio Fujiwara
    • Journal Title

      Journal of Physics A : Mathematical and Theoretical vol.40

      Pages: 4391-4400

    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Geometry of optimal estimation scheme for SU(D) channels2007

    • Author(s)
      Hiroshi Imai, Akio Fujiwara
    • Journal Title

      Journal of Physics A: Mathematical and Theoretical vol.40

      Pages: 4391-4400

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Information geometry of quantum channel estimation2006

    • Author(s)
      A.Fujiwara
    • Journal Title

      Proc.2nd International Symposium on Information Geometry and Its Applications (in press)

    • Data Source
      KAKENHI-PROJECT-15500004
  • [Journal Article] Strong consistency and asymptotic efficiency for adaptive quantum estimation problems2006

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Journal of Physics A: Mathematical and General vol.39

      Pages: 12489-12504

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Journal Article] Entanglement-assisted estimation of quantum channels2006

    • Author(s)
      A.Fujiwara
    • Journal Title

      Proc.8th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology (in press)

    • Data Source
      KAKENHI-PROJECT-15500004
  • [Journal Article] Information geometry of quantum channel estimation2005

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Proc. 2^<nd> International Symposium on Information Geometry and Its Applications

      Pages: 170-170

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Information geometry of quantum channel estimation2005

    • Author(s)
      A.Fujiwara
    • Journal Title

      Proc.2^<nd> International Symposium on Information Geometry and Its Applications

      Pages: 170-170

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      Akio FUJIWARA
    • Journal Title

      Quantum Information, Statistics, Probability

      Pages: 78-89

    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Estimation of a generalized amplitude-damping channel2004

    • Author(s)
      Akio FUJIWARA
    • Journal Title

      Physical Review A 70

      Pages: 12317-12317

    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      A.Fujiwara
    • Journal Title

      Quantum Information Statistics, Probability

      Pages: 78-78

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Estimation of a generalized amplitude-damping channel2004

    • Author(s)
      A.Fujiwara
    • Journal Title

      Physical Review A vol.70

      Pages: 12317-12317

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      A.Fujiwara
    • Journal Title

      Quantum Information, Statistics, Probability(ed.O.Hirota)

      Pages: 78-89

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15500004
  • [Journal Article] Estimation of a generalized amplitude-damping channel2004

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Physical Review A 70

      Pages: 12317-12317

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      A.Fujiwara
    • Journal Title

      Quantum Information, Statistics, Probability (ed.O.Hirota)(Rinton Press)

      Pages: 78-89

    • Data Source
      KAKENHI-PROJECT-15500004
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      A.Fujiwara
    • Journal Title

      Quantum Information, Statistics, Probaility, ed.O.Hirota

      Pages: 78-89

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15500004
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Quantum Information and Computation 4

      Pages: 479-479

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Quantum Information, Statistics, Probability

      Pages: 78-78

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Statistical estimation of a quantum operation2004

    • Author(s)
      A.Fujiwara
    • Journal Title

      Quantum Information and Computation vol.4

      Pages: 479-479

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Quantum parameter estimation of a generalized Pauli channel2003

    • Author(s)
      A.Fujiwara, H.Imai
    • Journal Title

      Journal of Physics A : Mathematical and General vol.36

      Pages: 8093-8093

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Quantum parameter estimation of a generalized Pauli channel2003

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Journal of Physics A : Mathematical and General 36

      Pages: 8093-8093

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Entanglement-assisted estimation of quantum channels

    • Author(s)
      Akio Fujiwara
    • Journal Title

      Proc. 8^<th> International Symposium on Foundations of Quantum Mechanics in the Light of New Technology (In press)

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Entanglement-assisted estimation of quantum channels

    • Author(s)
      Akio FUJIWARA
    • Journal Title

      Proc.8^<th> International Symposium on Foundations of Quantum Mechanics in the Light of New Technology (in press)

    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Entanglement-assisted estimation of quantum channels

    • Author(s)
      A.Fujiwara
    • Journal Title

      Proc.8^<th> International Symposium on Foundations of Quantum Mechanics in the Light of New Technology (in press)

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340031
  • [Journal Article] Information geometry of quantum channel estimation

    • Author(s)
      Akio FUJIWARA
    • Journal Title

      Proc.2^<nd> International Symposium on Information Geometry and its Applications (in press)

    • Data Source
      KAKENHI-PROJECT-15340031
  • [Presentation] Information geometry of randomized qubit state tomography2018

    • Author(s)
      Akio Fujiwara
    • Organizer
      Entropy 2018: From Physics to Information Science and Geometry
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H02861
  • [Presentation] 情報幾何学:古典から量子へ2017

    • Author(s)
      藤原彰夫
    • Organizer
      幾何学シンポジウム
    • Invited
    • Data Source
      KAKENHI-PROJECT-17H02861
  • [Presentation] Amari-Chentsov のパラドクス2016

    • Author(s)
      藤原彰夫
    • Organizer
      数理と工学の接続と調和
    • Place of Presentation
      KKRホテル熱海
    • Year and Date
      2016-02-27
    • Data Source
      KAKENHI-PROJECT-22340019
  • [Presentation] Information geometry of sandwiched Renyi α-divergence2016

    • Author(s)
      Akio Fujiwara
    • Organizer
      Information Geometry and its Applications IV
    • Place of Presentation
      Liblice, Czech Republic
    • Year and Date
      2016-06-12
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K13459
  • [Presentation] Experimental Demonstration of Adaptive Quantum State Estimation2015

    • Author(s)
      Akio Fujiwara
    • Organizer
      Quantum Information Workshop
    • Place of Presentation
      National Institute of Informatics
    • Year and Date
      2015-02-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22340019
  • [Presentation] Convex games, randomness, and geometry2013

    • Author(s)
      藤原彰夫
    • Organizer
      研究集会「エルゴード理論,情報理論,計算機科学とその周辺」
    • Place of Presentation
      大阪大学
    • Year and Date
      2013-03-14
    • Data Source
      KAKENHI-PROJECT-22654015
  • [Presentation] Convex games, randomness, and geometry2013

    • Author(s)
      藤原彰夫
    • Organizer
      研究集会「エルゴード理論,情報理論,計算機科学とその周辺」
    • Place of Presentation
      大阪大学
    • Data Source
      KAKENHI-PROJECT-22654015
  • [Presentation] Randomness criteria in terms of f-divergences2011

    • Author(s)
      藤原彰夫
    • Organizer
      研究集会「エルゴード理論,情報理論,計算機科学とその周辺」
    • Place of Presentation
      統計数理研究所(東京都)(招待講演)
    • Year and Date
      2011-03-05
    • Data Source
      KAKENHI-PROJECT-22654015
  • [Presentation] Randomness criteria in terms of f-divergences2011

    • Author(s)
      藤原彰夫
    • Organizer
      研究集会「エルゴード理論,情報理論,計算機科学とその周辺」
    • Place of Presentation
      統計数理研究所
    • Year and Date
      2011-03-05
    • Data Source
      KAKENHI-PROJECT-22654015
  • [Presentation] Randomness criteria in terms of f-divergences2010

    • Author(s)
      Akio Fujiwara
    • Organizer
      Third workshop on game theoretic probability and related topics
    • Place of Presentation
      Royal Holloway, University of London
    • Year and Date
      2010-06-23
    • Data Source
      KAKENHI-PROJECT-22654015
  • [Presentation] Randomness criteria in terms of f-divergences2010

    • Author(s)
      藤原彰夫
    • Organizer
      Third Workshop on Game-Theoretic Probability and Related Topics
    • Place of Presentation
      Royal Holloway, University of London (UK)(招待講演)
    • Year and Date
      2010-06-23
    • Data Source
      KAKENHI-PROJECT-22654015
  • [Presentation] Geometry of quantum channel manifolds2010

    • Author(s)
      藤原彰夫
    • Organizer
      Information Geometry and its Applications III
    • Place of Presentation
      University of Leipzig (Germany)(招待)
    • Year and Date
      2010-08-06
    • Data Source
      KAKENHI-PROJECT-22340019
  • [Presentation] Experimental Demonstration of Adaptive Quantum Estimation2010

    • Author(s)
      藤原彰夫
    • Organizer
      量子情報処理プロジェクト全体会議2010
    • Place of Presentation
      熱海ニューフジヤホテル(静岡県)(招待講演)
    • Year and Date
      2010-12-10
    • Data Source
      KAKENHI-PUBLICLY-22102504
  • [Presentation] Hereditary property of Ising spin systems2009

    • Author(s)
      Akio Fujiwara
    • Organizer
      Information geometry and decision geometry
    • Place of Presentation
      Institute of Statistical Mathematics
    • Year and Date
      2009-03-24
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] A fibre bundle over manifolds of quantum channels and its application to quantum statistics2009

    • Author(s)
      Akio Fujiwara
    • Organizer
      Aharonov Bohm Effect and Berry Phase Anniversary 50/25
    • Place of Presentation
      University of Bristol,UK
    • Year and Date
      2009-12-15
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] A fibre bundle over manifolds of quantum channels and its application to quantum statistics2009

    • Author(s)
      Akio Fujiwara
    • Organizer
      Aharonov Bohm Effect and Berry Phase Anniversary 50/25 2009
    • Place of Presentation
      H.H. Wills Physics Laboratory, University of Bristol
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Fibre bundle over manifolds of quantum channels and its application to quantum statistics2008

    • Author(s)
      Akio Fujiwara
    • Organizer
      BSI Forum-Mini Symposium on Information Geometry
    • Place of Presentation
      RIKEN
    • Year and Date
      2008-05-29
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Information geometrical methods in quantum statistics2008

    • Author(s)
      Akio Fujiwara
    • Organizer
      The 10th RIES-Hokudai International Symposium on aya
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-12-08
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Information geometrical methods in quantum statistics2008

    • Author(s)
      藤原彰夫
    • Organizer
      The 10^<th> RIES-Hokudai International Symposium on aya
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-12-08
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Fibre bundle over manifolds of quantum channels and its application to quantum statistics2008

    • Author(s)
      藤原彰夫
    • Organizer
      BSI Forum-Mini Symposium on Information Geometry-
    • Place of Presentation
      理化学研究所
    • Year and Date
      2008-05-29
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Fibre bundle over manifolds of quantum channels and its application to quantum statistics2008

    • Author(s)
      Akio Fujiwara
    • Organizer
      BSI Forum-Mini Symposium on Information Geometry
    • Place of Presentation
      理化学研究所
    • Year and Date
      2008-05-29
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Fiber bundle over manifolds of quantum channels and its applications to quantum statistics2008

    • Author(s)
      H. Imai and A. Fujiwara
    • Organizer
      GSIS & DEX-SMI Workshop on Quantum Statistical Inference and Entanglement
    • Place of Presentation
      東北大学
    • Year and Date
      2008-02-12
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Fibre bundle over manifolds of quantum channels and its application to quantum statistics2008

    • Author(s)
      Hiroshi Imai and Akio Fujiwara
    • Organizer
      GSIS &amp; DEX-SMI Workshop on Quantum Statistical Inference and Entanglement
    • Place of Presentation
      東北大学
    • Year and Date
      2008-02-12
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] nformation geometrical methods in quantum statistics2008

    • Author(s)
      Akio Fujiwara
    • Organizer
      he 10th RIES-Hokudai International Symposium on Aya
    • Place of Presentation
      Hokkaido University
    • Year and Date
      2008-12-08
    • Data Source
      KAKENHI-PROJECT-18340028
  • [Presentation] Fibre bundle over manifolds of quantum channels and its application to quantum statistics2008

    • Author(s)
      Hiroshi Imai, Akio Fujiwara
    • Organizer
      GSIS, DEX-SMI Workshop on Quantum Statistical Inference and Entanglement
    • Place of Presentation
      Tohoku University
    • Year and Date
      2008-02-12
    • Data Source
      KAKENHI-PROJECT-18340028
  • 1.  MABUCHI Toshiki (80116102)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 2.  NAGAOKA Hiroshi (80192235)
    # of Collaborated Projects: 6 results
    # of Collaborated Products: 1 results
  • 3.  YAMAZAKI Youhei (00093477)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 4.  SUGIMITO Mitsuru (60196756)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 5.  KOISO Norihito (70116028)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 6.  WATANABE Takao (30201198)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 7.  SUZUKI Joe (50216397)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 8.  KONNNO Kazuhiro (10186869)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 9.  IBUKIYAMA Tomoyoshi (60011722)
    # of Collaborated Projects: 3 results
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  • 10.  SUKUMA Makoto (30178602)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 11.  ENOKI Ichiro (20146806)
    # of Collaborated Projects: 3 results
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  • 12.  宇野 勝博 (70176717)
    # of Collaborated Projects: 3 results
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  • 13.  MANABE Shojiro (20028260)
    # of Collaborated Projects: 2 results
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  • 14.  YAMAMOTO Yoshikiko (90028184)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 15.  SUGITA Hiroshi (50192125)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 16.  OHARA Atsumi (90221168)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 17.  UMEHARA Masaaki (90193945)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 18.  YAMATO Kenji (70093474)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 19.  NAMBA Makoto (60004462)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 20.  TAKAHASHI Satoshi (70226835)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 21.  HAN Te sun (80097287)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 22.  MATSUZOE Hiroshi (90315177)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  NAGASE Michihiro (70034733)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  UCHIDA Motoo (10221805)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  NISHITANI Tatsuo (80127117)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  ASHINO Ryuichi (80249490)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  KOWATA Asutaka (50033931)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  DOI Hideo (50197993)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  TAKAGOSHI Kensho (20188171)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  OGAWA Hiroyuki (70243160)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 31.  KAMO Hiroyasu (20243355)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 32.  KOMATSU Gen (60108446)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 33.  甘利 俊一 (80010726)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 34.  村田 昇 (60242038)
    # of Collaborated Projects: 1 results
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  • 35.  大津 幸男 (80233170)
    # of Collaborated Projects: 1 results
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  • 36.  井川 満 (80028191)
    # of Collaborated Projects: 1 results
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  • 37.  守本 晃 (50239688)
    # of Collaborated Projects: 1 results
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  • 38.  森藤 伸哉 (30273832)
    # of Collaborated Projects: 1 results
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  • 39.  翁 林 (60304002)
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  • 40.  小林 亮一 (20162034)
    # of Collaborated Projects: 1 results
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  • 41.  佐藤 譲 (30342794)
    # of Collaborated Projects: 1 results
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  • 42.  山形 浩一 (30743520)
    # of Collaborated Projects: 1 results
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  • 43.  OKAMOTO ryo
    # of Collaborated Projects: 0 results
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  • 44.  FUJIWARA masazumi
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  • 45.  竹内 繁樹
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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