• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Murai Joshin  村井 浄信

ORCIDConnect your ORCID iD *help
… Alternative Names

村井 浄信  ムライ ジョウシン

MURAI Joshin  村井 浄信

Less
Researcher Number 00294447
Other IDs
Affiliation (Current) 2025: 岡山大学, 社会文化科学学域, 教授
Affiliation (based on the past Project Information) *help 2021 – 2023: 岡山大学, 社会文化科学学域, 教授
2015 – 2020: 岡山大学, 社会文化科学研究科, 教授
2012 – 2013: 岡山大学, 社会文化科学研究科, 教授
2009 – 2011: Okayama University, 大学院・社会文化科学研究科, 准教授
2006: 岡山大学, 大学院・社会文化科学研究科, 助手 … More
2006: Okayama University, Graduatte School of Humanities and Social Sciences, Assistant Professor, 大学院社会文化科学研究科, 助手
1999 – 2005: 岡山大学, 大学院・文化科学研究科, 助手
1998: 岡山大学, 文化科学研究科, 助手 Less
Review Section/Research Field
Principal Investigator
Basic Section 25010:Social systems engineering-related / Social systems engineering/Safety system / Social systems engineering/Safety system
Except Principal Investigator
Basic analysis / General mathematics (including Probability theory/Statistical mathematics) / Basic analysis / General mathematics (including Probability theory/Statistical mathematics)
Keywords
Principal Investigator
長期記憶 / ハースト指数 / クラスター展開 / 取引符号 / Hurst指数 / 非整数ブラウン運動 / 自己励起 / 株式市場 / バースト現象
Except Principal Investigator
central limit theorem … More / 中心極限定理 / 確率モデル / Widom-Rowlinson model / quantum probability / スケーリング極限 / 対称群 / 量子確率論 / パーコレーション / scaling limit / 相互作用フォック空間 / ヤング図形 / 対称群の表現 / グラフのスペクトル / percolation / 相境界 / Gibbs分布 / distance-regular graph / probability model / harmonic analysis / 距離正則グラフ / 調和解析 / 相転移 / Young graph / character of factor representation / random Young diagrams / asymptotic representation theory / symmetric group / ラプラシアンのスペクトル / 自由確率論 / ユツィス・マーフィー作用素 / 自由確率 / 漸近挙動 / 表現 / ヤンググラフ / 因子表現の指標 / ランダムヤング図形 / 量子確率 / 表現の漸近理論 / sharp transition / Sierpinski carpet lattice / conditional limit theorem / phase boundary / 相共存 / 2次元Widom-Rowlinson model / Dobrushin-Hrynivの定理 / Pirogov-Sinaiの定理 / スピン系 / 自由エネルギーの解析性 / 相の共存 / シェルピンスキーカーペット格子 / シルピンスキーカーペットグラフ / フラクタルグラフ / Percolation / 鋭い相転移 / シルピンスキーカーペット格子 / Widom-Rowlinsonモデル / 条件つき極限定理 / method of quantum decomposition / representation of symmetric group / spectrum of graph / 代数的確率論 / 量子分解法 / Gibbs states / translation invariance / phase structure / Wulff shape / local limit theorem / phase separation / spectral gap / fluctuation / first-passage percolation / 臨界温度 / 2次元Ising model / 3粒子モデル / 表面張力 / 局所型極限定理 / 2次元Widom-Rowlinsonモデル / 平行移動不変 / 相構造 / Wulff Shape / 局所極限定理 / 相分離 / the cut-off phenomenon / spectrum / random walk / カットオフ現象 / スペクトル / ランダムウォーク / 定常分布 / 確立モデル / wetting transition / イジング・モデル / 無限粒子系 / スピングラス Less
  • Research Projects

    (9 results)
  • Research Products

    (41 results)
  • Co-Researchers

    (19 People)
  •  Study of time correlation in stock markets using self-excited polymer modelPrincipal Investigator

    • Principal Investigator
      Murai Joshin
    • Project Period (FY)
      2018 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 25010:Social systems engineering-related
    • Research Institution
      Okayama University
  •  Statistical mechanical study of stochastic models for time correlation in stock marketsPrincipal Investigator

    • Principal Investigator
      Murai Joshin
    • Project Period (FY)
      2015 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Social systems engineering/Safety system
    • Research Institution
      Okayama University
  •  Empirical study and construction of stochastic processes on the long memory property of the time series of trade signs in a stock market.Principal Investigator

    • Principal Investigator
      MURAI Joshin
    • Project Period (FY)
      2009 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Social systems engineering/Safety system
    • Research Institution
      Okayama University
  •  Study of asymptotic theory for representations of symmetric groups from the viewpoint of scaling limits for probability models

    • Principal Investigator
      HORA Akihito
    • Project Period (FY)
      2004 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Okayama University
  •  Research of fluctuations of phase boundaries in large interacting systems from the probabilistic point of view

    • Principal Investigator
      HIGUCHI Yasunari
    • Project Period (FY)
      2003 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Kobe University
  •  Harmonic analysis on graphs and discrete groups, and scaling limit for probability models

    • Principal Investigator
      HORA Akihito
    • Project Period (FY)
      2001 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Okayama University
  •  Research on the formation and fluctuation of random shapes in mathematical models of statistical mechanics

    • Principal Investigator
      HIGUCHI Yasunari
    • Project Period (FY)
      2000 – 2002
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      KOBE UNIVERSITY
  •  Harmonic analysis on discrete structures and its applications to classical and quantum probability models

    • Principal Investigator
      HORA Akihito
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Basic analysis
    • Research Institution
      Okayama University
  •  スピングラスの確立論的研究

    • Principal Investigator
      日野 正訓
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      Kyoto University

All 2021 2018 2017 2016 2015 2013 2012 2011 2010 2009 2004 Other

All Journal Article Presentation Book

  • [Book] 株式市場のマルチフラクタル解析2021

    • Author(s)
      黒田耕嗣、増川純一、村井浄信
    • Total Pages
      256
    • Publisher
      日本評論社
    • ISBN
      9784535789050
    • Data Source
      KAKENHI-PROJECT-18K04612
  • [Book] 株価の経済物理学2011

    • Author(s)
      増川純一, 水野貴之, 村井浄信, 尹煕元
    • Publisher
      培風館(ISBN-10: 4563062030)
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Book] 株価の経済物理学2011

    • Author(s)
      増川純一, 水野貴之, 村井浄信, 尹煕元
    • Publisher
      培風館
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Multiplicative random cascades with additional stochastic process in financial markets2018

    • Author(s)
      Maskawa, J., Kuroda, K. & Murai
    • Journal Title

      J. Evolut Inst Econ Rev

      Volume: 15 Issue: 2 Pages: 515-529

    • DOI

      10.1007/s40844-018-0112-y

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16K01259, KAKENHI-PROJECT-18K04612, KAKENHI-PROJECT-15K01190
  • [Journal Article] A model of transaction signs with order splitting and public information2016

    • Author(s)
      J.Murai
    • Journal Title

      Evolutionary and Institutional Economics Review

      Volume: 13(2) Issue: 2 Pages: 469-480

    • DOI

      10.1007/s40844-016-0050-5

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Journal Article] 取引間隔の多様なベキ指数と取引符号のハースト指数2015

    • Author(s)
      村井浄信
    • Journal Title

      統計数理研究所共同研究リポート

      Volume: 332 Pages: 97-102

    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Journal Article] Signs of market orders and human dynamics2015

    • Author(s)
      J.Murai
    • Journal Title

      Proceedings of the International Conference on Social Modeling and Simulation, plus Econophysics Colloquium 2014

      Volume: 1 Pages: 39-50

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Journal Article] Ap- plication of the cluster expansion to a mathematical model of the long memory phenomenon in a financial market2013

    • Author(s)
      K. Kuroda, J.Maskawa, J. Murai
    • Journal Title

      Journal of Statistical Physics

      Volume: 152 Issue: 4 Pages: 706-723

    • DOI

      10.1007/s10955-013-0783-z

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21510146, KAKENHI-PROJECT-24510203
  • [Journal Article] Market-wide price co-movement around crashes in Tokyo stock exchange2013

    • Author(s)
      K. Kuroda, J.Maskawa, J. Murai
    • Journal Title

      Evolutionary and In- stitutional Economic Review

      Volume: 10 Issue: 1 Pages: 81-92

    • DOI

      10.14441/eier.a2013005

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21510146, KAKENHI-PROJECT-24510203
  • [Journal Article] Long Memory in Trade Signs and Short Memory in Stock Prices2012

    • Author(s)
      K. Kuroda, J.Maskawa, J. Murai
    • Journal Title

      Progress of Theoretical Physics Sup- plement

      Volume: 194 Pages: 11-27

    • DOI

      10.1143/ptps.194.11

    • NAID

      110009456867

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Stock price process and long mem- ory in trade signs2011

    • Author(s)
      K. Kuroda, J.Maskawa, J. Murai
    • Journal Title

      Advances in Mathematical Economics

      Volume: 14 Pages: 69-92

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Stock price process and long memory in trade signs2011

    • Author(s)
      K.Kuroda, J.Maskawa, J.Murai
    • Journal Title

      Advances in Mathematical Economics

      Volume: 14 Pages: 69-92

    • DOI

      10.1007/978-4-431-53883-7_4

    • ISBN
      9784431538820, 9784431538837
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] 株価変動過程と売買符号のLong Memory2010

    • Author(s)
      黒田耕嗣, 増川純一, 村井浄信
    • Journal Title

      物性研究

      Volume: 93 5 Pages: 633-636

    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Long mem- ory in finance and fractional Brow- nian motion2009

    • Author(s)
      K. Kuroda, J. Murai
    • Journal Title

      Progr. Theoret. Phys. Suppl.

      Volume: 179 Pages: 26-37

    • DOI

      10.1143/ptps.179.26

    • NAID

      110007225733

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Graphs for Menshikov- Zuev's Problems onρ-percolation model2009

    • Author(s)
      J. Murai
    • Journal Title

      Okayama economic review

      Volume: 40 4 Pages: 115-125

    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Long memory in finance and fractional Brownian motion2009

    • Author(s)
      K.Kuroda, J.Murai
    • Journal Title

      Progr. Theoret. Phys. 179

      Pages: 26-37

    • NAID

      110007225733

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Graphs for Menshikov-Zuev's Problems on ρ-percolation model.2009

    • Author(s)
      J.Murai
    • Journal Title

      Okayama economic review 40

      Pages: 115-125

    • NAID

      120002308476

    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Stock price pro- cess and long memory in trade sign2009

    • Author(s)
      K. Kuroda, J. Murai
    • Journal Title

      The Institute of Statistical Mathe- matics Cooperative Research Report

      Volume: 247 Pages: 59-76

    • Data Source
      KAKENHI-PROJECT-21510146
  • [Journal Article] Fat tail phenomena in a stochastic model of stock market : the long-range percolation approach2004

    • Author(s)
      Kuroda K., Murai J.
    • Journal Title

      Applied Probab. Trust

    • NAID

      40015872235

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16540154
  • [Journal Article] Fat tail phenomena in a stochastic model of stock market : the long-range percolation approach2004

    • Author(s)
      Kuroda, K., Murai, J.
    • Journal Title

      Applied Probab. Trust

    • NAID

      40015872235

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16540154
  • [Journal Article] The Dobrushin-Hryniv theory for the two-dimensional latice Widom-Rowlinson model2004

    • Author(s)
      Y.Higuchi, J.Murai, J.Wang
    • Journal Title

      Advanced Studies in Pure Mathematics 39

      Pages: 233-281

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15340032
  • [Journal Article] The Dobrushi-Hryniv theory for the two-dimensional lattice Widom-Rowlinson model2004

    • Author(s)
      Y.Higuchi, J.Murai, J.Wang
    • Journal Title

      Advanced Studies in Pure Mathematics 39

      Pages: 233-281

    • Data Source
      KAKENHI-PROJECT-15340032
  • [Journal Article] The Dobrushin-Hryniv theory for the two-dimensional lattice Widom-Rowlinson model

    • Author(s)
      Y.Higuchi, J.Murai, J.Wang
    • Journal Title

      Advanced Studies in Pure Mathematics Vol. 39

      Pages: 233-281

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15340032
  • [Presentation] Empirical study on random cascades among different time horizons in stock markets2017

    • Author(s)
      Jun-ichi Maskawa, Koji Kuroda, Joshin Murai
    • Organizer
      13th Econophysics Colloquium 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] 株式市場におけるマルチフラクタル性のランダム・カスケードモデルによる実証研究2017

    • Author(s)
      増川純一,黒田耕嗣,村井浄信
    • Organizer
      経済物理学 2017 - 新たな領域との融合
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] 注文分割と公開情報による取引符号モデル2016

    • Author(s)
      村井 浄信
    • Organizer
      経済物理とその周辺
    • Place of Presentation
      統計数理研究所
    • Year and Date
      2016-01-09
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] 公開情報と取引符号2015

    • Author(s)
      村井 浄信
    • Organizer
      経済物理とその周辺
    • Place of Presentation
      鳥取大学工学部
    • Year and Date
      2015-09-24
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] Order signs model with order splitting and exogenous herding2015

    • Author(s)
      J.Murai
    • Organizer
      International Conference on Big data in Economics, Science and Technology
    • Place of Presentation
      Ohrid, Republic of Macedonia
    • Year and Date
      2015-07-22
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] 公開情報への反応関数をもつポリマーモデルにおけるトレンド項2015

    • Author(s)
      村井 浄信
    • Organizer
      無限粒子系、確率場の諸問題XI
    • Place of Presentation
      奈良女子大学理学部
    • Year and Date
      2015-12-26
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] 注文分割と公開情報による取引符号モデル2015

    • Author(s)
      村井 浄信
    • Organizer
      経済物理学 2015: 新たな方向性を求めて
    • Place of Presentation
      京都大学 基礎物理学研究所
    • Year and Date
      2015-12-03
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] A model of order signs under multiple order splitting and public information2015

    • Author(s)
      J.Murai
    • Organizer
      ECONOPHYS-2015
    • Place of Presentation
      New Delhi, India
    • Year and Date
      2015-11-30
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K01190
  • [Presentation] Application of the cluster expansion to a mathematical model of the long memory phenomenon in a financial market2013

    • Author(s)
      J. Murai
    • Organizer
      新潟確率論ワークショップ
    • Place of Presentation
      新潟大学駅南キャンパス「ときめいと」
    • Year and Date
      2013-12-06
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] Market-wide price co- movements around crashes in the Tokyo stock exchange2013

    • Author(s)
      J. Murai
    • Organizer
      Financial Networks and Systemic Risk
    • Place of Presentation
      京都大学
    • Year and Date
      2013-07-19
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] 金融市場における余震の数理モデル2011

    • Author(s)
      J. Murai
    • Organizer
      統数研研究集会「経済物理とその周辺」平成23年度第1回研究会
    • Place of Presentation
      統計数理研究所
    • Year and Date
      2011-09-09
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] FinanceにおけるLong Memory Process2011

    • Author(s)
      J. Murai
    • Organizer
      無限粒子系, 確率場の諸問題VI
    • Place of Presentation
      奈良女子大学
    • Year and Date
      2011-02-06
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] Application of the cluster expansion for financial market2011

    • Author(s)
      村井浄信
    • Organizer
      無限粒子系、確率場の諸問題VII
    • Place of Presentation
      奈良女子大学
    • Year and Date
      2011-10-16
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] Application of the cluster expansion for financial market2011

    • Author(s)
      J. Murai
    • Organizer
      無限粒子系, 確率場の諸問題VII
    • Place of Presentation
      奈良女子大学
    • Year and Date
      2011-10-16
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] 金融市場における余震の数理モデル2011

    • Author(s)
      村井浄信
    • Organizer
      統数研研究集会「経済物理とその周辺」
    • Place of Presentation
      統計数理研究所
    • Year and Date
      2011-09-09
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] FinanceにおけるLong Memory Process2011

    • Author(s)
      村井浄信
    • Organizer
      無限粒子系、確率場の諸問題VI
    • Place of Presentation
      奈良女子大学
    • Year and Date
      2011-02-06
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] Long Memory in Finance and fractional Brownian motion2010

    • Author(s)
      J. Murai
    • Organizer
      統数研研究会「経済物理とその周辺」平成22年度第1回研究会
    • Place of Presentation
      統計数理研究所
    • Year and Date
      2010-09-03
    • Data Source
      KAKENHI-PROJECT-21510146
  • [Presentation] Stock Price Process and Long Memory in Trade Signs2009

    • Author(s)
      J. Murai
    • Organizer
      Workshop on Mathematical Eco- nomics
    • Place of Presentation
      慶応義塾大学
    • Year and Date
      2009-11-13
    • Data Source
      KAKENHI-PROJECT-21510146
  • 1.  HORA Akihito (10212200)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 2.  SASAKI Toru (20260664)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 3.  FUKUYAMA Katsushi (60218956)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 4.  YOSHIDA Nobuo (40240303)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  HIGUCHI Yasunari (60112075)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 3 results
  • 6.  HIROKAWA Masao (70282788)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  NAKANISHI Yasutaka (70183514)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  MIYAKAWA Tetsuro (10033929)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  YAMAZAKI Tadashi (30011696)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  ADACHI Tadayoshi (30281158)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  WATANABE Kiyoshi (60091245)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  YAMADA Hiro-Fumi (40192794)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  日野 正訓 (40303888)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  南 和彦 (40271530)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  熊谷 隆 (90234509)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  香取 真理 (60202016)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  Kuroda Koji
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 18.  Maskawa Jun-ichi
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 19.  黒田 耕嗣
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

URL: 

Are you sure that you want to link your ORCID iD to your KAKEN Researcher profile?
* This action can be performed only by the researcher himself/herself who is listed on the KAKEN Researcher’s page. Are you sure that this KAKEN Researcher’s page is your page?

この研究者とORCID iDの連携を行いますか?
※ この処理は、研究者本人だけが実行できます。

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi