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Tutu, Hiroki

Graduate School of Informatics, Department of Informatics Assistant Professor

Tutu, Hiroki
list
    Last Updated :2024/02/21

    Basic Information

    Faculty

    • 工学部 工学部 情報学科

    Professional Memberships

    • 日本物理学会

    Academic Degree

    • 修士(理学)(九州大学)
    • 博士(理学)(九州大学)

    Academic Resume (Graduate Schools)

    • 九州大学, 大学院理学研究科修士課程物理学専攻, 修了
    • 九州大学, 大学院理学研究科博士後期課程物理学専攻, 修了

    Academic Resume (Undergraduate School/Majors)

    • 鹿児島大学, 理学部物理学科, 卒業

    Research History

    • From 1998
      - 京都大学大学院情報学研究科 助手
    • From 1998
      - Research Associate, Graduate School of Informatics, Kyoto University

    Language of Instruction

    • English

    ID,URL

    researchmap URL

    list
      Last Updated :2024/02/21

      Research

      Research Topics, Overview of the research

      • Research Topics

        Nonequilibrium phenomena, nonlinear phenomena, noise-induced phenomena, pattern formation, etc.
      • Overview of the research

        非線形非平衡系、特に確率過程の応用として、非マルコフ確率過程、確率共鳴、分子モーターの理論的研究などを行っています.

      Research Interests

      • 非平衡系の統計物理
      • Statistical physics in non-equilibrium systems

      Research Areas

      • Natural sciences, Mathematical physics and basic theory

      Papers

      • Planetary Rotary Ratchets of a Rigid Roller Held within a Soft Rotor Housing, and Its Robust Rotation Transmission Mechanism
        Hiroki Tutu
        Journal of the Physical Society of Japan, 15 Apr. 2022
      • Performance Estimation for Two-Dimensional Brownian Rotary Ratchet Systems
        Hiroki Tutu; Takehiko Horita; Katsuya Ouchi
        Journal of the Physical Society of Japan, 15 Apr. 2015
      • Performance optimization in two-dimensional Brownian rotary ratchet models
        Hiroki Tutu; Katsuya Ouchi; Takehiko Horita
        PHYSICAL REVIEW E, Jun. 2017, Peer-reviewed
      • Robust unidirectional rotation in three-tooth Brownian rotary ratchet systems
        Hiroki Tutu; Soichiro Nagata
        Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 28 Feb. 2013, Peer-reviewed
      • Design of two-tooth unidirectional rotary-ratchet molecular machines driven by linearly polarized ac fields
        Hiroki Tutu; Yuta Hoshino
        Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 12 Dec. 2011, Peer-reviewed
      • Frequency adaptation in controlled stochastic resonance utilizing delayed feedback method: Two-pole approximation for response function
        Hiroki Tutu
        PHYSICAL REVIEW E, Jun. 2011, Peer-reviewed
      • Controlled Stochastic Resonance in a Bistable Magnetic System
        Hiroki Tutu
        PROGRESS OF THEORETICAL PHYSICS, Jan. 2010, Peer-reviewed
      • Stochastic Landau-Lifshitz-Gilbert equation with delayed feedback field
        Hiroki Tutu; Takehiko Horita
        PROGRESS OF THEORETICAL PHYSICS, Aug. 2008, Peer-reviewed
      • Instabilities in a one-dimensional driven bistable system under delayed feedback control
        Hiroki Tutu; Tatsuo Mitani
        PROGRESS OF THEORETICAL PHYSICS, Jun. 2007, Peer-reviewed
      • Time-delayed feedback method to control magnetic orientation dynamics in a driven anisotropic nanoparticle system
        Hiroki Tutu
        PROGRESS OF THEORETICAL PHYSICS, Dec. 2006, Peer-reviewed
      • Controlling symmetry breaking in periodically driven bistable system: Preliminary consideration
        Hiroki Tutu; Tatsuo Mitani
        Progress of Theoretical Physics Supplement, 2006, Peer-reviewed
      • Magnetic domain wall dynamics associated with the dynamic phase transition
        Naoya Fujiwara; Hiroki Tutu; Hirokazu Fujisaka
        Progress of Theoretical Physics Supplement, Jan. 2006, Peer-reviewed
      • Time-delayed feedback control method for dynamical symmetry breaking in a periodically driven bistable system
        H Tutu
        PROGRESS OF THEORETICAL PHYSICS, Nov. 2005, Peer-reviewed
      • Magnetic walls in the anisotropic XY-spin system in an oscillating magnetic field
        N Fujiwara; H Tutu; H Fujisaka
        PHYSICAL REVIEW E, Dec. 2004, Peer-reviewed
      • Landau theory of dynamic phase transitions and systematic perturbation expansion method for getting phase diagrams
        H Tutu; N Fujiwara
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Oct. 2004, Peer-reviewed
      • Magnetic walls in the anisotropic [Formula presented]-spin system in an oscillating magnetic field
        Naoya Fujiwara; Hiroki Tutu; Hirokazu Fujisaka
        Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 2004, Peer-reviewed
      • Ordering dynamics of one-dimensional Bloch wall system and domain size distribution function
        H Tutu
        PHYSICAL REVIEW E, Mar. 2003, Peer-reviewed
      • Dynamic phase transitions in the anisotropic XY spin system in an oscillating magnetic field
        T Yasui; H Tutu; M Yamamoto; H Fujisaka
        PHYSICAL REVIEW E, Sep. 2002, Peer-reviewed
      • Mound-interface kinetics in Dictyostelium aggregation
        H Tutu
        JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Sep. 2002, Peer-reviewed
      • Dynamic phase transition in a time-dependent Ginzburg-Landau model in an oscillating field
        H. Fujisaka; H. Tutu; P. A. Rikvold
        Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 2001, Peer-reviewed
      • Interface dynamics in a uniaxial anisotropic n-vector model
        H Tutu
        PHYSICAL REVIEW E, Mar. 1998, Peer-reviewed
      • Ordering process and Bloch wall dynamics in a two-dimensional anisotropic spin system
        H Tutu
        PHYSICAL REVIEW E, Nov. 1997, Peer-reviewed
      • ORDERING PROCESS AND BLOCH-WALL DYNAMICS IN A NEARLY ONE-DIMENSIONAL ANISOTROPIC SPIN SYSTEM
        H TUTU; H FUJISAKA
        PHYSICAL REVIEW B, Oct. 1994, Peer-reviewed

      Misc.

      • 22pBL-4 Phase response curve estimation by Gaussian process input
        Horita T.; Tutu H.; Ouchi K.
        Meeting Abstracts of the Physical Society of Japan, 2015
      • Nonlinear Dynamics in Nonequilibrium Spin Systems
        FUJISAKA H.; TUTU H.
        Journal of Magnetics Society of Japan, 01 Sep. 2001
      • New statistical law in 2D critical Ising spin system
        Fujisaka H.; Tutu H.
        Meeting abstracts of the Physical Society of Japan, 09 Mar. 2001
      • Aggregation process of slime mould amoebae : from streaming pattern to mound formation
        Tutu H.
        Meeting abstracts of the Physical Society of Japan, 09 Mar. 2001
      • Frequency Adaptation in a Controlled Stochastic Resonance Utilizing Delayed Feedback Method :
        筒 広樹
        物性研究, 2011

      Presentations

      • ソフトロータリーラチェットモデルにおける回転変調の最適化
        筒広樹
        第12回分子モーター討論会, 27 Sep. 2023
      • On effects on dynamics of rotor's asymmetry in the Wankel type soft rotary ratchet modelsOn effects on dynamics of rotor's asymmetry in the Wankel type soft rotary ratchet models
        TUTU, Hiroki
        日本物理学会2022年秋季大会, 12 Sep. 2022
      • Study on energy conversion efficiency in rotary ratchet models driven by nonlinear forces
        筒広樹
        日本物理学会 2021年秋季大会, 22 Sep. 2021
      • Study on nearly planetary motion in rotary ratchet models driven by nonlinear forces
        Hiroki TUTU
        日本物理学会 第76回年次大会(2021年), 15 Mar. 2021
      • Leverage effects of a rotary ratchet model for biological motors
        Hiroki TUTU
        日本物理学会 2020年秋季大会, 08 Sep. 2020
      • Reconsidering transition rate theory in situations where potential landscapes haveemergent minima
        筒 広樹
        日本物理学会2019年秋季大会(物性), 13 Sep. 2019
      • 囚人のジレンマゲームにおいて評判に基づくパートナー交換が促進 するネットワーク進化
        千貫裕紀; 筒広樹
        日本物理学会 第74回年次大会(2019年), 14 Mar. 2019, 日本物理学会
      • 2次元ソフトロータリーエンジンモデル:遷移状態と遷移則について
        筒 広樹
        日本物理学会 第73回年次大会(2018年), 25 Mar. 2018
      • Study on Two Dimensional Soft Rotary Engine Models III: Energetics
        TUTU Hiroki
        日本物理学会 2017年秋季大会, 24 Sep. 2017
      • Study on Two Dimensional Soft Rotary Engine Models II
        TUTU Hiroki
        日本物理学会 第72回年次大会(2017年), 19 Mar. 2017
      • Origin of coexistence between cooperators and defectors in continuous prisoner's dilemma games
        TUTU Hiroki
        日本物理学会 2016 年秋季大会, 16 Sep. 2016
      • Study of "Two Dimensional Soft Rotary Engine Models
        TUTU Hiroki
        日本物理学会 2016 年秋季大会, 16 Sep. 2016
      • Study on Brawnian Ratchet Rotary Model with the Spinning Rotor
        TUTU Hiroki
        日本物理学会 第 71 回年次大会(2016 年), 20 Mar. 2016
      • 18pCR-4 Study on evolutionary prisoner's dilemma games on networks for downward price rigidities
        Asada T; Tutu H
        日本物理学会講演概要集, 16 Sep. 2015
      • ランダムDC場に駆動ざれる2次元二枚歯ラチェットモーターの回転効率の評価
        TSUTSU HIROKI; OUCHI KATSUYA; HORITA TAKEHIKO
        日本物理学会講演概要集(CD-ROM), 24 Mar. 2015
      • ガウス過程を用いた位相応答曲線の推定
        HORITA TAKEHIKO; TSUTSU HIROKI; OUCHI KATSUYA
        日本物理学会講演概要集(CD-ROM), 24 Mar. 2015
      • 動的ネットワーク上の囚人のジレンマゲームにおける富の蓄積による協力促進効果
        FUKUSHIMA HIROAKI; TSUTSU HIROKI
        日本物理学会講演概要集, 22 Aug. 2014
      • ランダムに偏光が変わる場に誘起される二枚歯ラチェット回転子の一方向回転
        TSUTSU HIROKI; OUCHI KATSUYA; HORITA TAKEHIKO
        日本物理学会講演概要集, 05 Mar. 2014
      • 三枚歯ブラウン回転ラチェット模型のエネルギー論
        TSUTSU HIROKI; HORITA TAKEHIKO; OUCHI KATSUYA
        日本物理学会講演概要集, 26 Aug. 2013
      • 三枚歯ブラウン回転ラチェット模型の最大トルク/最高出力について
        TSUTSU HIROKI; HORITA TAKEHIKO; OUCHI KATSUYA
        日本物理学会講演概要集, 05 Mar. 2013
      • 三枚歯回転ラチェット模型の確率動力学の解析
        TSUTSU HIROKI; NAGATA SOICHIRO
        日本物理学会講演概要集, 24 Aug. 2012
      • 相手か戦略のどちらを変えるか,その多様性が協力を促進する
        NARUKAWA RYOTA; TSUTSU HIROKI; AOYAGI TOSHIO
        日本物理学会講演概要集, 24 Aug. 2011
      • 時間遅れを持つ系の確率共鳴:応答関数に関する有限極展開の方法 II
        TSUTSU HIROKI
        日本物理学会講演概要集, 24 Aug. 2011
      • Frequency Adaptation in a Controlled Stochastic Resonance Utilizing Delayed Feedback Method
        TSUTSU HIROKI
        物性研究, 05 Apr. 2011
      • 時間遅れを持つ系の確率共鳴:応答関数の有限極展開の方法
        TSUTSU HIROKI
        日本物理学会講演概要集, 03 Mar. 2011
      • Frequency Adaptation in a Controlled Stochastic Resonance utilizing delayed feedback method
        Japan-Slovenia Seminar on Nonlinear Science (Kansai 2010), 08 Nov. 2010, 大阪府立大学、工学研究科、電子・数物系専攻、数理工学分野、非線形力学グループ
      • 相手か戦略のどちらを変えるか,その多様性が協力を促進する
        NARUKAWA RYOTA; TSUTSU HIROKI; AOYAGI TOSHIO
        日本物理学会講演概要集, 18 Aug. 2010
      • 大域結合LLGモデルにおける非マルコフ的確率共鳴:反応座標の内部自由度の効果について
        TSUTSU HIROKI
        日本物理学会講演概要集, 18 Aug. 2010
      • 遅延フィードバックによる確率共鳴の制御:大域結合LLGモテルの解析 II
        TSUTSU HIROKI
        日本物理学会講演概要集, 01 Mar. 2010
      • 遅延フィードバック場をもつ結合LLGモデルにおける動的感受率(理論編)
        TSUTSU HIROKI; HORITA TAKEHIKO
        日本物理学会講演概要集, 18 Aug. 2009
      • 時間的非対称周期外場下での動的相転移
        HORITA TAKEHIKO; OUCHI KATSUYA; TSUTSU HIROKI
        日本物理学会講演概要集, 03 Mar. 2009
      • 遅延外場をもつ大域統合LLGモデルにおける多重確率共鳴
        TSUTSU HIROKI; HORITA TAKEHIKO
        日本物理学会講演概要集, 03 Mar. 2009
      • Stochastic Landau-Lifshitz- Gilbert equation with delayed feedback field: Efficiency for maintaining a UPO
        Recent Advances in Nonlinear Dynamics and Complex System Physics: From Natural to Social Sciences and Security, 06 Oct. 2008, ウズベキスタン熱物理学研究所(タシケント)の主催
      • 遅延フィードバック制御された確率的平均場結合LLGモデルの動的挙動の解析
        TSUTSU HIROKI; HORITA TAKEHIKO
        日本物理学会講演概要集, 25 Aug. 2008
      • 単磁区磁性体における遅延フィードバックに誘起される確率共鳴
        TSUTSU HIROKI; HORITA TAKEHIKO
        日本物理学会講演概要集, 29 Feb. 2008

      External funds: Kakenhi

      • 磁性的秩序を制御するための時間遅れフィードバック法の理論的研究
        Grant-in-Aid for Exploratory Research
        Kyoto University
        筒 広樹
        From 01 Apr. 2006, To 31 Mar. 2009, Project Closed
        磁性;時間遅れ制御;非平衡物理;物性理論
      • 非平衡系における大自由度複雑力学系の理論的および数値実験的研究
        Grant-in-Aid for Scientific Research (C)
        KYOTO UNIVERSITY
        Hirokazu FUJISAKA
        From 01 Apr. 1999, To 31 Mar. 2001, Project Closed
        振動磁場下のイジングスピン系;動的相転移;電気流体力学的対流不安定;オンオフ間欠性;乱流の間欠性;乱流の統計理論;乱流の自己相似性;振動磁場下の相転移;電磁流体力学的対流不安定, Ising spin system under oscillating field;Dynamic phase transition;Electrohydrodynamic convection;On-off intermittency;Intermittency in turbulence;Statistical theory of turbulence;Self-similarity in turbulence
      list
        Last Updated :2024/02/21

        Education

        Teaching subject(s)

        • From 01 Apr. 2023, To 31 Mar. 2024
          Seminar on Applied Mathematics and Physics
          9074, Fall, Faculty of Engineering, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Exercise on Programming
          9091, Spring, Faculty of Engineering, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Exercise on Applied Mathematics and Physics
          9090, Spring, Faculty of Engineering, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Topics in Nonlinear Dynamics A
          3320, Fall, Graduate School of Informatics, 2
        • From 01 Apr. 2023, To 31 Mar. 2024
          Seminar in Nonlinear Physics I
          4311, Year-long, Graduate School of Informatics, 4
        • From 01 Apr. 2023, To 31 Mar. 2024
          Exercise on Programming
          9143, Spring, Faculty of Engineering, 4
        • From 01 Apr. 2022, To 31 Mar. 2023
          Topics in Nonlinear Dynamics A
          3320, Fall, Graduate School of Informatics, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Seminar in Nonlinear Physics I
          4311, Year-long, Graduate School of Informatics, 4
        • From 01 Apr. 2022, To 31 Mar. 2023
          Seminar on Applied Mathematics and Physics
          9074, Fall, Faculty of Engineering, 2
        • From 01 Apr. 2022, To 31 Mar. 2023
          Exercise on Applied Mathematics and Physics
          9090, Spring, Faculty of Engineering, 2
        • From Apr. 2011, To Mar. 2012
          基礎数理演習(数理)
          Spring, 工学部
        • From Apr. 2011, To Mar. 2012
          非線形系の力学(数理)
          Spring, 工学部
        • From Apr. 2012, To Mar. 2013
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2012, To Mar. 2013
          Seminar on Applied Mathematics and Physics
          Fall, 工学部
        • From Apr. 2012, To Mar. 2013
          Complex Dynamics B
          Spring, 情報学研究科
        • From Apr. 2013, To Mar. 2014
          Seminar on Applied Mathematics and Physics
          Fall, 工学部
        • From Apr. 2013, To Mar. 2014
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2013, To Mar. 2014
          Dynamics of Nonlinear Systems
          Spring, 工学部
        • From Apr. 2013, To Mar. 2014
          Seminar in Complex Dynamics 1
          Year-long, 情報学研究科
        • From Apr. 2014, To Mar. 2015
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2014, To Mar. 2015
          Seminar in Complex Dynamics 1
          Year-long, 情報学研究科
        • From Apr. 2014, To Mar. 2015
          Topics in Complex Dynamics II
          Fall, 情報学研究科
        • From Apr. 2014, To Mar. 2015
          Advanced Study in Applied Analysis and Complex Dynamical Systems1
          Year-long, 情報学研究科
        • From Apr. 2014, To Mar. 2015
          Advanced Study in Applied Analysis and Complex Dynamical Systems2
          Year-long, 情報学研究科
        • From Apr. 2015, To Mar. 2016
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2015, To Mar. 2016
          Seminar on Applied Mathematics and Physics
          Fall, 工学部
        • From Apr. 2015, To Mar. 2016
          Seminar in Complex Dynamics 1
          Year-long, 情報学研究科
        • From Apr. 2015, To Mar. 2016
          Topics in Complex Dynamics II
          Fall, 情報学研究科
        • From Apr. 2015, To Mar. 2016
          Advanced Study in Applied Analysis and Complex Dynamical Systems1
          Year-long, 情報学研究科
        • From Apr. 2015, To Mar. 2016
          Advanced Study in Applied Analysis and Complex Dynamical Systems2
          Year-long, 情報学研究科
        • From Apr. 2016, To Mar. 2017
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2016, To Mar. 2017
          Seminar on Applied Mathematics and Physics
          Fall, 工学部
        • From Apr. 2016, To Mar. 2017
          Seminar in Complex Dynamics 1
          Year-long, 情報学研究科
        • From Apr. 2016, To Mar. 2017
          Topics in Complex Dynamics II
          Fall, 情報学研究科
        • From Apr. 2016, To Mar. 2017
          Advanced Study in Applied Analysis and Complex Dynamical Systems1
          Year-long, 情報学研究科
        • From Apr. 2016, To Mar. 2017
          Advanced Study in Applied Analysis and Complex Dynamical Systems2
          Year-long, 情報学研究科
        • From Apr. 2017, To Mar. 2018
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2017, To Mar. 2018
          Seminar on Applied Mathematics and Physics
          Fall, 工学部
        • From Apr. 2017, To Mar. 2018
          Advanced Study in Mathematical Sciences II
          Year-long, 情報学研究科
        • From Apr. 2017, To Mar. 2018
          Advanced Study in Mathematical Sciences I
          Year-long, 情報学研究科
        • From Apr. 2017, To Mar. 2018
          Topics in Complex Dynamics II
          Fall, 情報学研究科
        • From Apr. 2017, To Mar. 2018
          Topics in Nonlinear Dynamics A
          Fall, 情報学研究科
        • From Apr. 2017, To Mar. 2018
          Seminar in Nonlinear Physics I
          Year-long, 情報学研究科
        • From Apr. 2018, To Mar. 2019
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2018, To Mar. 2019
          Exercise on Numerical Analysis
          Spring, 工学部
        • From Apr. 2018, To Mar. 2019
          Topics in Nonlinear Dynamics B
          Fall, 工学研究科
        • From Apr. 2018, To Mar. 2019
          Seminar in Nonlinear Physics I
          Year-long, 情報学研究科
        • From Apr. 2019, To Mar. 2020
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2019, To Mar. 2020
          Seminar on Applied Mathematics and Physics
          Fall, 工学部
        • From Apr. 2019, To Mar. 2020
          Topics in Nonlinear Dynamics A
          Fall, 情報学研究科
        • From Apr. 2019, To Mar. 2020
          Seminar in Nonlinear Physics I
          Year-long, 情報学研究科
        • From Apr. 2020, To Mar. 2021
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2020, To Mar. 2021
          Applied Mathematics and Physics Laboratory
          Fall, 工学部
        • From Apr. 2020, To Mar. 2021
          Applied Mathematics and Physics Laboratory
          Fall, 工学部
        • From Apr. 2020, To Mar. 2021
          Seminar in Nonlinear Physics I
          Year-long, 情報学研究科
        • From Apr. 2021, To Mar. 2022
          Exercise on Applied Mathematics and Physics
          Spring, 工学部
        • From Apr. 2021, To Mar. 2022
          Topics in Nonlinear Dynamics A
          Fall, 情報学研究科
        • From Apr. 2021, To Mar. 2022
          Seminar in Nonlinear Physics I
          Year-long, 情報学研究科
        list
          Last Updated :2024/02/21

          Administration

          Faculty management (title, position)

          • From 01 Apr. 2020, To 31 Mar. 2021
            図書WG

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