顔写真

PHOTO

Sekine Jun
関根 順
Sekine Jun
関根 順
Graduate School of Engineering Science Department of Systems Innovation, Professor

keyword mathematical finance

Research History 10

  1. 2010/06/01 - Present
    Osaka University Graduate School of Engineering Science Department of Systems Innovation Professor

  2. 2010/06/01 - Present
    Osaka University Center for Mathematical Modeling and Data Science

  3. 2010/06 - Present
    Osaka University Graduate School of Engineering Science

  4. 2008/06/01 - 2010/05/31
    Osaka University Center for the Study of Finance and Insurance Specially Appointed Professor

  5. 2008/04 - 2010/05
    Kyoto University Institute of Economic Research

  6. 2007/04 - 2008/03
    Kyoto University Institute of Economic Research

  7. 2005/04 - 2007/03
    Kyoto University Institute of Economic Research

  8. 2003/04/01 - 2005/03/31
    Osaka University Graduate School of Engineering Science Department of Systems Innovation Associate Professor

  9. 1999/01 - 2003/03
    Osaka University Graduate School of Engineering Science

  10. 1995/04 - 1998/12
    MTBインベストメントテクノロジー研究所 研究員

Education 3

  1. The University of Tokyo Graduate School of Science

    - 1994/03

  2. The University of Tokyo Graduate School, Division of Science

    - 1990/03

  3. The University of Tokyo Faculty of Liberal Arts

    - 1988/03

Professional Memberships 2

  1. 日本応用数理学会

  2. 日本数学会

Research Areas 2

  1. Natural sciences / Applied mathematics and statistics /

  2. Natural sciences / Basic mathematics /

Papers 36

  1. Notes on backward stochastic differential equations for computing XVA

    Jun Sekine, Akihiro Tanaka

    Mathematics for Industry (Proceedings of the Forum "Math-for-Industry" 2018 Big Data Analysis, AI, Fintech, Math in Finances and Economics, Springer) p. 15-50 2021/12

  2. On optimal thresholds for pairs trading in a one-dimensional diffusion model

    Masaaki Fukasawa, Hitomi Maeda, Jun Sekine

    The ANZIAM Journal Vol. 63 No. 2 p. 104-122 2021/04 Research paper (scientific journal)

    Publisher: Cambridge University Press (CUP)
  3. Stochastic modelling with randomised Markov bridges

    Andrea Macrina, Jun Sekine

    Stochastics Vol. 93 No. 1 p. 29-55 2021/01 Research paper (scientific journal)

    Publisher: Taylor & Francis
  4. Risk-sensitive asset management in a Wishart-autoregressive factor model with Jumps

    Hiroaki Hata, Jun Sekine

    Asia-Pacific Financial Markets Vol. 24 No. 3 p. 221-252 2017/09/01 Research paper (scientific journal)

    Publisher: Springer New York LLC
  5. Order estimates for the exact Lugannani-Rice expansion

    Takashi Kato, Jun Sekine, Kenichi Yoshikawa

    Japan Journal on Industrial and Applied Mathematics Vol. 33 No. 1 p. 25-62 2016/04 Research paper (scientific journal)

    Publisher: Springer
  6. Order estimates for the exact Lugannani-Rice expansion

    Takashi Kato, Jun Sekine, Kenichi Yoshikawa

    JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS Vol. 33 No. 1 p. 25-61 2016/02 Research paper (scientific journal)

  7. A One-Factor Conditionally Linear Commodity Pricing Model under Partial Information

    Takashi Kato, Jun Sekine, Hiromitsu Yamamoto

    Asia-Pacific Financial Markets Vol. 21 No. 2 p. 151-174 2014 Research paper (scientific journal)

    Publisher: Springer New York LLC
  8. Risk-sensitive asset management under a Wishart autoregressive factor model

    Hiroaki Hata, Jun Sekine

    Journal of Mathematical Finance Vol. 3 No. 1A p. 222-229 2013/11 Research paper (scientific journal)

  9. On dynamic portfolio insurance techniques

    Jun Sekine

    Real Option, Ambiguity, Risk and Insurance, IOS Press, Ebooks Series: Studies in Probability, Optimization, and Statistics Vol. 5 p. 232-254 2013/07 Research paper (scientific journal)

  10. Long-term optimal investment with a generalized drawdown constraint

    Jun Sekine

    SIAM Journal on Financial Mathematics Vol. 4 No. 1 p. 452-473 2013 Research paper (scientific journal)

  11. Long-term optimal portfolios with floor

    Jun Sekine

    Finance and Stochastics Vol. 16 No. 3 p. 369-401 2012/09 Research paper (scientific journal)

  12. Bayesian optimal power-utility grows hyperbolically in the long run

    Hideaki Miyata, Jun Sekine

    RIMS Kôkyûroku Vol. 1788 p. 62-82 2012/07 Research paper (scientific journal)

  13. Optimal portfolio for a highly risk-averse investor: A differential game interpretation

    Hidehiro Kaise, Jun Sekine

    Risk and Decision Analysis Vol. 3 No. 3 p. 211-222 2012 Research paper (scientific journal)

  14. Risk-sensitive Portfolio Optimization with Two-factor Having a Memory Effect

    Tadashi Hayashi, Jun Sekine

    Asia-Pacific Financial Markets Vol. 18 No. 4 p. 385-403 2011/11 Research paper (scientific journal)

  15. 長期金利のロバストな表現について

    関根 順

    MTECジャーナル Vol. 23 p. 3-32 2011/10 Research paper (scientific journal)

  16. Explicit Solution to a Certain Non-ELQG Risk-sensitive Stochastic Control Problem

    Hiroaki Hata, Jun Sekine

    Applied Mathematics and Optimization Vol. 62 No. 3 p. 341-380 2010/12 Research paper (scientific journal)

  17. Explicit solution to a certain non-ELQG risk-sensitive stochastic control problem

    Hiroaki Hata, Jun Sekine

    Applied Mathematics and Optimization Vol. 62 No. 3 p. 341-380 2010/10 Research paper (scientific journal)

  18. Marginal distribution of some path-dependent stochastic volatility model

    Jun Sekine

    Statistics and Probability Letters Vol. 78 p. 1846-1850 2008/09 Research paper (scientific journal)

  19. On a large deviations control for a linear-quadratic model: the complete dual solution

    Jun Sekine

    Gakuto International Series, Mathematica Sciences and Application Vol. 28 p. 322-333 2008/07 Research paper (scientific journal)

  20. A note on the risk-premium process in an equilibrium

    Jun Sekine

    International Journal of Theoretical and Applied Finance Vol. 11 No. 7 p. 705-716 2008/06 Research paper (scientific journal)

  21. 均衡価格過程から導出されるリスクプレミアムについて

    関根 順

    「フィナンシャルテクノロジーの過去・現在・未来」, 三菱UFJトラスト投資工学研究所創立20周年記念論文集 p. 431-450 2007/10 Research paper (scientific journal)

  22. On exponential hedging and related quadratic backward stochastic differential equations

    Jun Sekine

    APPLIED MATHEMATICS AND OPTIMIZATION Vol. 54 No. 2 p. 131-158 2006/09 Research paper (scientific journal)

  23. A note on long-term optimal portfolios under drawdown constraints

    Jun Sekine

    Advances in Applied Probability Vol. 38 No. 2 p. 673-692 2006/06 Research paper (scientific journal)

  24. Solving long term optimal investment problems with Cox-Ingersoll-Ross Interest Rates

    Hiroaki Hata, Jun Sekine

    Advances in Mathematical Economics Vol. 8 p. 231-255 2006/03 Research paper (scientific journal)

  25. Solving long term invesmtment problems with Cox-Ingersoll-Ross interest rates

    Hiroaki Hata, Jun Sekine

    Advances in Mathematical Economics Vol. 8 p. 231-255 2005/10 Research paper (scientific journal)

  26. Dynamic minimization of worst conditional expectation of shortfall

    Jun Sekine

    MATHEMATICAL FINANCE Vol. 14 No. 4 p. 605-618 2004/10 Research paper (scientific journal)

  27. An approximation for exponential hedging

    Jun Sekine

    ASPM, proceedings of the symposium: "Stochastic Analysis and Related Topics", RIMS-Kyoto, 2002 Vol. 41 p. 279-299 2004/05 Research paper (scientific journal)

  28. On superhedging under delta constraints

    Jun Sekine

    Applied Mathematical Finance Vol. 9 p. 103-121 2002/01 Research paper (scientific journal)

  29. Information Geometry for Symmetric Diffusions

    Jun Sekine

    Potential Analysis Vol. 14 No. 1 p. 1-30 2001 Research paper (scientific journal)

  30. Forward LIBOR rates models inferred from cap-prices

    Jun Sekine

    Proceedings of the 31st ISCIE Symposium Vol. 63 No. 6 p. 397-403 1999

  31. Mean-Variance Hedging in Continuous-Time with Stochastic Interest Rate

    Jun Sekine

    Stochastics and Stochastics-Reports Vol. 67 p. 1-17 1999 Research paper (scientific journal)

    Publisher: Stochastics and Stochastics-Reports
  32. On a robustness of quantile hedging: Complete market's case

    Jun Sekine

    Asia-Pacific Financial Markets Vol. 6 No. 2 p. 195-201 1999 Research paper (scientific journal)

    Publisher: Springer Science and Business Media Deutschland GmbH
  33. カオス分解を用いたキャリブレーション

    関根 順

    フィナンシャル・エンジニアリングのフロンティア p. 55-75 1998 Research paper (scientific journal)

  34. A Characterization of Default Yield Spread : Mean-Variance Approach

    SEKINE Jun

    MTEC Journal Vol. 10 p. 155-173 1997 Research paper (bulletin of university, research institution)

    Publisher: MTECジャーナル
  35. Interest Rate Model with Upper and Lower Bounds

    SEKINE Jun

    Vol. 9 p. 58-77 1996 Research paper (bulletin of university, research institution)

    Publisher: MTECジャーナル
  36. The Hilbert-Riemannian Structure of Equivaleut Gaussian Measures Associated with the Fisher Information

    SEKINE Jun

    Osaka Journal of Mathematics Vol. 32 No. 1 p. 71-95 1995 Research paper (bulletin of university, research institution)

Misc. 15

  1. An Aspect of Risk Finance

    Bulletin of the JSIAM Vol. 34 No. 3 p. 20-25 2024/09 Article, review, commentary, editorial, etc. (scientific journal)

  2. Backward Stochastic Differential Equations and Their Applications (IV)

    Jun Sekine

    Applied Mathematics Vol. 29 No. 4 p. 30-35 2020/01

  3. Backward Stochastic Differential Equations and Their Applications (III)

    Jun Sekine

    Applied Mathematics Vol. 29 No. 3 p. 28-33 2019/09

  4. Backward Stochastic Differential Equations and Their Applications (II)

    Jun Sekine

    Applied Mathematics Vol. 29 No. 2 p. 31-36 2019/06

  5. Backward Stochastic Differential Equations and Their Applications (I)

    Jun Sekine

    Applied Mathematics Vol. 29 No. 1 p. 35-40 2019/03

  6. 伊藤確率解析学と数理ファイナンス

    関根 順

    数学セミナー p. 36-41 2015/09

  7. Pricing, Hedging and Arbitrage

    Vol. 64 No. 3 p. 98-103 2012/06

    Publisher: 生産技術振興協会
  8. 数理ファイナンスに現れる確率過程:確率過程を用いた資産価格過程のモデル化

    関根 順

    数理科学 p. 44-50 2010/05

  9. 粘性解と数理ファイナンス:確率制御の視点から

    貝瀬 秀裕, 関根 順

    数理科学 Vol. 46 No. 4 p. 39-45 2008/04

    Publisher: サイエンス社
  10. 動的ポートフォリオ最適化に纏わる問題

    関根 順

    応用数理 Vol. 17 No. 1 p. 44-52 2007/07

  11. On a dynamic fund protection option for a Bayesian growth optimal portfolio(Mathematical Economics)

    Sekine Jun

    RIMS Kokyuroku Vol. 1557 p. 123-131 2007/05

    Publisher: Kyoto University
  12. Asymptotic Analyses [Analysis] for an Exponential Hedging Problem (Mathematical Economics)

    Sekine Jun

    RIMS Kokyuroku Vol. 1391 p. 212-228 2004/08

    Publisher: Kyoto University
  13. 不確定ボラティリティ下でのデリバティブの複製:数理ファイナンスに現れる非線型偏微分方程式の例

    関根 順

    数理科学 p. 44-49 2000/09

  14. Quantile Hedging for Defaultable Securities in an Incomplete Market : Mathematical Finance (Mathematical Economics)

    Sekine Jun

    RIMS Kokyuroku Vol. 1165 p. 215-231 2000/08

    Publisher: Kyoto University
  15. 数理ファイナンス:数学を駆使するファイナンス, あるいはファイナンスに題材を採った数学?

    関根 順

    数学 Vol. 52 No. 1 p. 77-82 2000

Publications 3

  1. 応用数理ハンドブック

    関根 順

    朝倉書店 2013/11 Scholarly book

    ISBN: 9784254111415

  2. 数学ハンドブック[応用編]

    関根 順

    朝倉書店 2011/07 Scholarly book

    ISBN: 9784254111309

  3. 数理ファイナンス

    関根 順

    培風館 2007/06 Scholarly book

    ISBN: 9784563010874

Presentations 46

  1. Quantum least square Monte-Carlo algorithm for solving backwardstochastic differential equations

    Jun Sekine

    The 8th Asia Quantitative Finance Conference, Taipei 2024/08/09

  2. Many-player Stochasic Games under Epstein-Zin Prefernces and Relative Performance Criteria

    Jun Sekine

    JAFEE-ISM International Symposium on Quantitative Finance 2023/08/18

  3. Many-player Stochasic Games under Epstein-Zin Prefernces and Relative Performance Criteria

    Jun Sekine

    Osaka-UCL Mini-workshop on Stochastics, Numerics and Risk 2023/02/16

  4. Epstein-Zin型再帰効用と相対パフォーマンス指標を用いたマルチプレイヤー確率微分ゲームの明示的均衡表現

    関根 順

    日本応用数理学会2022年度年会 2022/09/10

  5. Backward stochastic difference equation driven by multidimensional random walk on a lattice: convergence analysis via Wasserstein central limit theorem

    Jun Sekine

    Centre for Financial Mathematics Seminar, University of Wollongong, Australia 2021/10

  6. Remarks on Arbitrages in Bilateral Derivative Trading with Repo Markets

    Jun Sekine

    The Second International Symposium on Partial Differential Equations & Stochastic Analysis in Mathematical Finance, Tsinghua International Mathematics Conference Center, Sanya, China 2020/01

  7. スマートコントラクト:金融工学からの課題(スマートデリバティブコントラクトの開発に向けて)

    関根 順

    日本応用数理学会2019年度年会, 東京大学 2019/09

  8. Stochastic Modeling with Randomized Markov Bridges

    関根 順

    日本応用数理学会2019年度年会, 東京大学 2019/09

  9. The XVA issues and related BSDEs

    Jun Sekine

    SIAM Conference on Control and Optimization, Chengdu, China 2019/06

  10. 複合Hawkes型リスク過程を用いた破産確率評価について

    関根 順

    日本応用数理学会研究部会連合発表会, 筑波大学 2019/03

  11. 複合Hawkes型リスク過程を用いた破産確率評価について

    関根 順

    日本アクチュアリー会&日本保険・年金リスク学会共催, 産学共同研究集会 2019/01

  12. スマートデリバティブコントラクトのモデルについて

    関根 順

    首都大学東京シンポジウム 2018/11

  13. The XVA issues and related BSDEs

    Jun Sekine

    Forum "Math-for-Industry", Fudan University, China 2018/11

  14. On optimal thersholds for pairs trading in one-dimensional diffusion models

    関根 順

    日本応用数理学会2018年度年会, 名古屋大学 2018/09

  15. 仮想通貨, スマートコントラクト, リスクの計量化:数理ファイナンスの立場から

    関根 順

    日本応用数理学会2018年度年会, 名古屋大学 2018/09

  16. On optimal thersholds for pairs trading in one-dimensional diffusion models

    Jun Sekine

    International Conference on Mathematical Finance & Symposium on the Role of Mathematical Finance on FinTech Business, NIMS, Daejeon, Korea 2018/08

  17. Optimal investment and consumption in an infinite dimensional factor model with delay

    Jun Sekine

    Workshop on Stochastic Control;Related Issues;Kansai University 2018/03

  18. Stochastic modeling with randomized Markov bridges and conditional stochastic differential equations

    Jun Sekine

    Mathematics of Risk, MATRIX, Melbourne, Australia 2017/11

  19. Optimal investment and consumption in an infinite dimensional factor model with delay

    Jun Sekine

    The Fifth Asia Quantitative Finance Conference, Seoul, Korea 2017/04

  20. Optimal investment and consumption in an infinite dimensional factor model with delay

    Jun Sekine

    Workshop on Stochastic Analysis; Mathematical Finance; Quindao, China 2016/09

  21. A filtration enlargement with noisy anticipation for asset pricing

    Jun Sekine

    Ritsumeikan-UCL Workshop, Ritumeikan, BKC 2016/08

  22. A filtration enlargement with noisy anticipation for asset pricing

    Jun Sekine

    6th International IMS-FIPS Workshop, Edmonton, Canada 2016/07

  23. Prediction with noisy anticipation and its application to asset pricing

    Jun Sekine

    Sahoro Winter Workshop on Operations Research, Finance and Mathematics, Sahoro, Hokkaido 2016/02

  24. Prediction with noisy anticipation and its application to asset pricing

    Jun Sekine

    The 4th Asia Quantitative Finance Conference, Osaka Univ. Nakanoshima Center 2016/02

  25. Utility maximization with floor constraint: a dual approach

    Jun Sekine

    NUS-UParis Diderot Workshop on Quantitative Finance, NUS, Singapore 2015/02

  26. Utility maximization with floor constraint: a dual approach

    Jun Sekine

    International Conference on Portfolio Selection and Asset Pricing, Kyoto University, 2014/03

  27. Utility maximization with floor constraint: a dual approach

    Jun Sekine

    Stochastic Processes and Mathematical Finance, Kansai University 2014/02

  28. Wishart型行列ファクター過程モデルに関する動的ポートフォリオ最適化

    Jun Sekine

    2014/01

  29. Utility maximization with floor constraint

    Jun Sekine

    2013/12

  30. Utility maximization with floor constraint

    Jun Sekine

    Stochastic Processes and Their Statistics in Finance in Okinawa 2013/10

  31. Utility maximization for a derivative security with discrete stopping time horizon

    Jun Sekine

    59th World Statistics Congress, Hong-Kong 2013/08

  32. Long-term optimal investment with drawdown constraint

    Jun Sekine

    Seminar, Libera Universita Internazionale Degli Studi Sociali, Roma, 2013/05

  33. Sensitivity analysis for utility maximization via an associated FB-system of SDE

    Jun Sekine

    Workshop on Finance, Stochastics and Asymptotic Analysis, CSFI, Osaka Univ 2013/02

  34. An approximation for utility maximization via an associated FB-system of SDE

    Jun Sekine

    The First Asian Quantitative Finance Conference, NUS, Singapore 2013/01

  35. An approximation for utility maximization via an associated FBSDE

    Jun Sekine

    Analysis and Control of Stochastic Partial Differential Equations, Shanghai, Fudan University 2012/12

  36. 非線形富過程を用いた価格付けと期待効用最大化に対するFBSDEアプローチについて

    関根 順

    第二回数理ファイナンス合宿型セミナー, 大橋会館 2012/11

  37. Nearly optimal strategies for risk-sensitive portfolio optimization on infinite horizon

    Jun Sekine

    Conference in Honer of Freddy Delbaen, ETH Zürich, 2012/09

  38. On hyperbolic growth of long-term Bayesian optimal power-utility

    Jun Sekine

    Workshop on Stochastic Processes and Their Applications, NCTS, Hsinchu, Taiwan, 2012/03

  39. Long-term optimal investment with a generalized drawdown constraint

    Jun Sekine

    Winter Workshop on Finance, Hokkaido Univ. 2012/02

  40. 長期金利のロバストな表現について

    関根 順

    経済の数理解析, 同志社大学 2011/10

  41. Wishart自己回帰型ファクターモデルを用いた動的ポートフォリオ最適化

    2011/09

  42. From quantile hedging to large deviations controls with long horizon

    Jun Sekine

    APS Conference, KTH, Stockholm 2011/07

  43. Long-term optimal portfolios with state constraints

    Jun Sekine

    SIAM Conference on Control & Its Applications, Baltimore 2011/07

  44. Long-term optimal portfolios with state constraints

    Jun Sekine

    2nd NTH Workshop on Finance and Insurancwe Mathematics, Braunschweig 2011/06

  45. Long-term optimal portfolios with floor

    Jun Sekine

    4th Financial Risks International Forum, Paris 2011/03

  46. Risk-sensitive portfolio optimization with small noise and large risk aversion

    Jun Sekine

    5th Bachelier Colloquium, Metabief 2011/01

Social Activities 4

  • Quantitative Finance (Taylor & Francis)(Associate Editor)

    2017/05 - Present

  • Japan Journal of Industrial and Applied Mathematics (Springer Journal)(Area Editor)

    2014/01 - Present

  • Asia-Pacific Financial Markets (Springer Journal)(Associate Editor)

    2006/01 - Present

  • Finance and Stochastics (Springer Journal)(Associate Editor )

    2008/01 - 2019/12

Academic Activities 12

  1. Stochastics around Finance

    Jiro Akahori (Ritsumeikan), Masaaki Fukasawa (Osaka), Yuri Imamura (Kanazawa), Jun Sekine (Osaka), Toshihiro Yamada (Hitotsubashi)

    2023/08/28 - 2023/08/30

  2. UCL-Osaka International Conference on the Mathematics of Risk and Decisions

    Andrea Macrina, Camillo Garcia-Trillos, Alex Tse (UCL), Masaaki Fukasawa, Yushi Hamaguchi, Jun Sekine (Osaka)

    2022/03/15 - 2022/03/18

  3. 金融工学・数理計量ファイナンスの諸問題 2021

    大阪大学数理・データ科学教育研究センター

    2021/12/02 - 2021/12/02

  4. 日本数学会(社会連携協議会委員)

    2012/01 - 2018/12

  5. Osaka-UCL Workshop on Stochastics, Numerics and Risk

    大阪大学数理・データ科学教育研究センター、Department of Mathematics of UCL

    2017/03 -

  6. OLIS‐大阪大学 保険フォーラム

    OLIS(アジア生命保険振興センター)、大阪大学数理・データ科学教育研究センター

    2016/05 -

  7. The 4th Asia Quantitative Finance Conference

    大阪大学数理・データ科学教育研究センター

    2016/02 -

  8. Internatinal Workshop on Mathematical Finance and Related Issues

    大阪大学金融・保険教育研究センター

    2015/03 -

  9. 金融リスクの計測・管理・制御と資本市場に纏わる諸問題

    大阪大学金融・保険教育研究センター

    2014/03 -

  10. 金融リスクの計測・管理・制御に纏わる数理

    大阪大学金融・保険教育研究センター

    2013/03 -

  11. Workshop on Finance, Stochastics and Asymptotic Analysis

    大阪大学金融・保険教育研究センター

    2013/02 -

  12. 金融工学・数理計量ファイナンスの諸問題 2011

    大阪大学金融・保険教育研究センター

    2011/12 -

Institutional Repository 1

Content Published in the University of Osaka Institutional Repository (OUKA)
  1. The Hilbert Riemannian Structure of Equivalent Gaussian Measures Associated with Fisher Information

    Sekine Jun

    Osaka Journal of Mathematics Vol. 32 No. 1 p. 71-95 1995