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2016 Fiscal Year Annual Research Report

次世代金融工学における熱核法の展開

Research Project

Project/Area Number 25285102
Research InstitutionRitsumeikan University

Principal Investigator

赤堀 次郎  立命館大学, 理工学部, 教授 (50309100)

Co-Investigator(Kenkyū-buntansha) 堀 敬一  立命館大学, 経済学部, 教授 (50273561)
Kohatsu・Higa A  立命館大学, 理工学部, 教授 (80420412)
Project Period (FY) 2013-04-01 – 2018-03-31
Keywords数理ファイナンス / フーリエ法 / タイミングリスク / 静的ヘッジ / フラクショナルボラティリティ
Outline of Annual Research Achievements

2016年度は,以下のような研究を行った.
1. Malliavin Mancino の拡散過程の「微分」係数の推定の手法を正定値関数で捉えなおした和枠組みにおいて,離散測度による表現を導入.計算速度の超高速化に成功した(The Fourier estimation method with positive semi-definite estimators(arXiv), Malliavin-Mancino type estimators based on discrete measures(in preparation)) 2. タイミングリスクの静的ヘッジの一般的な枠組みについて,一定の成果を得た(The Value of Timing Risk(arXiv), Asymptotic Static Hedge via Symmetrization(in preparation)).3. 一般化されたポリャの壺のモデルをブラウン運動や確率微分方程式の中に埋め込みる多くの成果を得た.そのうちの一部を論文にまとめ投稿した(Attraction properties for general urn processes and applications to a class of interacting reinforced particle systems(arXiv), An Embedding of Generalized P\'{o}lya Urn to Wiener Space and its Applications(in preparation).4.フラクショナルボラティリティモデルについて,漸近展開の手法や,無限次元2次ガウス形式の理論をもちいた研究をおこなった(Probability density of lognormal fractional SABR model(arXiv), Bridge representation and modal-path approximation(arXiv), Stochastic Volatility Models of Quadratic Volterra Gaussian Type (in preparation))

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

当初想定していなかった方向に研究が進んでいる部分もあるが,総じて構造型モデルを作るための基盤研究という目的は十分に達成されている.

Strategy for Future Research Activity

2017年度は2016年度に得られた成果を発表・公刊することを目指すほか,以下のような課題に取り組む予定である.1. 連続時間マクロモデルの枠組みを確率ハミルトン系によって記述し,その応用として技術投資の問題やOption Pricing を考える 2. conformal map 値のSDEの"漸近展開"の高次の項,あるいはsuper trace をタウ関数として理解する枠組みをつくる3.反対称な確率解析を用いて(非)線形微分方程式の解をランダムなタウ関数の期待値ととらえる.)4. 拡散過程の対称化の離散化の一般理論を構築する)5. Bayesian Networkの構造的なモデルとしてある種の無限粒子系を導入し,確率伝播現象現象や深層学習に確率解析の手法を導入する6. quantile process の解析をリスク理論に応用する7. 確率解析をもちいたruin theory の一般化

Causes of Carryover

共同研究者の都合で海外渡航がキャンセルになったため.

Expenditure Plan for Carryover Budget

キャンセルとなった海外渡航,もしくは海外研究者の招聘費用に充てる

  • Research Products

    (18 results)

All 2017 2016 Other

All Int'l Joint Research (6 results) Journal Article (5 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 5 results,  Acknowledgement Compliant: 5 results,  Open Access: 4 results) Presentation (3 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results) Funded Workshop (4 results)

  • [Int'l Joint Research] Monash University(Australia)

    • Country Name
      Australia
    • Counterpart Institution
      Monash University
  • [Int'l Joint Research] University of Liverpool/University College, London/London School of Economics(United Kingdom)

    • Country Name
      United Kingdom
    • Counterpart Institution
      University of Liverpool/University College, London/London School of Economics
  • [Int'l Joint Research] New York City University/University of Cincinnati/Michigan University(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      New York City University/University of Cincinnati/Michigan University
    • # of Other Institutions
      1
  • [Int'l Joint Research] University of Florence/University of Parma/Scuola Normale di Pisa(Italy)

    • Country Name
      Italy
    • Counterpart Institution
      University of Florence/University of Parma/Scuola Normale di Pisa
  • [Int'l Joint Research] ESSEC(France)

    • Country Name
      France
    • Counterpart Institution
      ESSEC
  • [Int'l Joint Research]

    • # of Other Countries
      5
  • [Journal Article] The Value of Timing Risk2017

    • Author(s)
      Jiro Akahori, Flavia Barsotti, Yuri Imamura
    • Journal Title

      arXiv:1701.05695

      Volume: NA Pages: NA

    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Probability density of lognormal fractional SABR model2017

    • Author(s)
      Jiro Akahori, Xiaoming Song, Tai-Ho Wang
    • Journal Title

      arXiv:1702.08081

      Volume: NA Pages: NA

    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] A Discrete-Time Clark-Ocone Formula and its Application to an Error Analysis2016

    • Author(s)
      Jiro Akahori, Takafumi Amaba, Kaori Okuma
    • Journal Title

      Journal of Theoretical Probability

      Volume: published online Pages: NA

    • DOI

      10.1007/s10959-016-0666-8

    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Attraction properties for general urn processes and applications to a class of interacting reinforced particle systems2016

    • Author(s)
      Jiro Akahori, Andrea Collevecchio, Timothy Garoni, Kais Hamza
    • Journal Title

      arXiv:1602.05677

      Volume: NA Pages: NA

    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Bridge representation and modal-path approximation2016

    • Author(s)
      Jiro Akahori, Xiaoming Song, Tai-Ho Wang
    • Journal Title

      arXiv:1607.03074

      Volume: NA Pages: NA

    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] An Order-1 Markov Chain Approximation of Symmetrized Diffusion Processes2017

    • Author(s)
      Jiro Akahori
    • Organizer
      Osaka-UCL Workshop on Stochastics, Numerics and Risk
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      2017-03-30
    • Int'l Joint Research / Invited
  • [Presentation] Some Results on Fractional Brownian Motions2016

    • Author(s)
      Jiro Akahori
    • Organizer
      Sookmyung Women's University Financial Mathematics Seminar
    • Place of Presentation
      Seoul, Korea
    • Year and Date
      2016-12-09
    • Invited
  • [Presentation] Probabilistic Representation of Tau Functions2016

    • Author(s)
      Jiro Akahori
    • Organizer
      Workshop on SDEs and Stochastic Processes
    • Place of Presentation
      Tianjin, China
    • Year and Date
      2016-04-28
    • Int'l Joint Research / Invited
  • [Funded Workshop] 6th Ritsumeikan-Monash Symposium on Probability and Related Fields2016

    • Place of Presentation
      Ritsumeikan University, Biwako-Kusatsu Campus & Kansai University, Senri-Yama Campus
    • Year and Date
      2016-11-11 – 2016-11-13
  • [Funded Workshop] One day workshop on Stochastic Processes and Financial and Insurance Mathematics II2016

    • Place of Presentation
      Ritsumeikan University, Biwako-Kusatsu Campus
    • Year and Date
      2016-09-03 – 2016-09-03
  • [Funded Workshop] One day workshop on Stochastic Processes and Financial and Insurance Mathematics2016

    • Place of Presentation
      Ritsumeikan University, Biwako-Kusatsu Campus
    • Year and Date
      2016-08-05 – 2016-08-05
  • [Funded Workshop] Brownian Motion and Stochastic Processes2016

    • Place of Presentation
      Ritsumeikan University, Biwako-Kusatsu Campus
    • Year and Date
      2016-06-03 – 2016-06-05

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Published: 2018-01-16   Modified: 2022-02-16  

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