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2015 Fiscal Year Annual Research Report

確率過程の理論統計と極限定理の研究

Research Project

Project/Area Number 24340015
Research InstitutionThe University of Tokyo

Principal Investigator

吉田 朋広  東京大学, 数理(科)学研究科(研究院), 教授 (90210707)

Co-Investigator(Kenkyū-buntansha) 増田 弘毅  九州大学, 数理(科)学研究科(研究院), 教授 (10380669)
Project Period (FY) 2012-04-01 – 2016-03-31
Keywords統計数学 / 機械学習 / 解析学
Outline of Annual Research Achievements

超高頻度データ解析の基礎となる点過程に対する擬似尤度解析の構成と擬似尤度推定量の漸近挙動を明らかにした.有限時間高頻度観測における伊藤過程のボラティリティのパラメトリックモデルに対して,擬似尤度解析(Uchida and Yoshida SPA2013)と,混合極限の場合のマルチンゲール展開(Yoshida 2013)の結果を用いて,擬似尤度推定量の漸近展開を導いた.摂動された確率微分方程式の解の汎関数に対する漸近展開を計算する高次元アルゴリズムの構成とその実装に関して研究の進展があった.

Research Progress Status

27年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

27年度が最終年度であるため、記入しない。

  • Research Products

    (12 results)

All 2016 2015 Other

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results) Presentation (8 results) (of which Int'l Joint Research: 5 results,  Invited: 3 results) Remarks (1 results) Funded Workshop (2 results)

  • [Journal Article] Edgeworth expansion for functionals of continuous diffusion processes2016

    • Author(s)
      Podolskij, M. and Yoshida. N.
    • Journal Title

      Annals of Applied Probability

      Volume: 未定 Pages: 未定

    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Martingale expansion: its applications and generalizations2016

    • Author(s)
      Nakahiro Yoshida
    • Organizer
      Statistics for Stochastic Processes and Analysis of High Frequency Data V
    • Place of Presentation
      University Pierre and Marie Curie (Paris 6)
    • Year and Date
      2016-03-23
    • Int'l Joint Research
  • [Presentation] Asymptotic expansion of quasi likelihood estimators and model selection for volatility2016

    • Author(s)
      吉田朋広
    • Organizer
      ASC2016: Asymptotic Statistics and Computations
    • Place of Presentation
      東京大学(駒場キャンパス)
    • Year and Date
      2016-02-15
  • [Presentation] Quasi likelihood analysis for ultra high frequency data2015

    • Author(s)
      Nakahiro Yoshida
    • Organizer
      9th Conference of the Asian Regional Section of the IASC (IASC-ARS 2015)
    • Place of Presentation
      National University of Singapore
    • Year and Date
      2015-12-19
    • Int'l Joint Research / Invited
  • [Presentation] Quasi likelihood analysis for ultra high frequency data2015

    • Author(s)
      Nakahiro Yoshida
    • Organizer
      8th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2015)
    • Place of Presentation
      Senate House, University of London
    • Year and Date
      2015-12-13
    • Int'l Joint Research / Invited
  • [Presentation] Ultra high frequency data: construction of quasi likelihood analysis, and some data analysis2015

    • Author(s)
      Nakahiro Yoshida
    • Organizer
      Berlin Meeting on Statistical Analysis of Stochastic Processes
    • Place of Presentation
      Humboldt University
    • Year and Date
      2015-11-06
    • Int'l Joint Research
  • [Presentation] Point processes and ultra high frequency data: limit order book modeling2015

    • Author(s)
      Nakahiro Yoshida
    • Organizer
      大規模統計モデリングと計算統計 II
    • Place of Presentation
      東京大学(駒場キャンパス)
    • Year and Date
      2015-09-26
  • [Presentation] 点過程の推測理論と超高頻度データのモデリング2015

    • Author(s)
      吉田朋広
    • Organizer
      2015年度 統計関連学会連合大会
    • Place of Presentation
      岡山大学(津島キャンパス)
    • Year and Date
      2015-09-07
  • [Presentation] Asymptotic statistics and ultra hight frequency data2015

    • Author(s)
      Nakahiro Yoshida
    • Organizer
      Advanced Modelling in Mathematical Finance: A conference in honour of Ernst Eberlein
    • Place of Presentation
      University of Kiel
    • Year and Date
      2015-05-22
    • Int'l Joint Research / Invited
  • [Remarks] 東京大学大学院数理科学研究科 統計グループ

    • URL

      http://www2.ms.u-tokyo.ac.jp/probstat/

  • [Funded Workshop] Statistics for Stochastic Processes and Analysis of High Frequency Data V2016

    • Place of Presentation
      University Pierre and Marie Curie (Paris 6), France
    • Year and Date
      2016-03-23 – 2016-03-23
  • [Funded Workshop] Berlin Meeting on Statistical Analysis of Stochastic Processes2015

    • Place of Presentation
      Humboldt Graduate School
    • Year and Date
      2015-11-05 – 2015-11-06

URL: 

Published: 2017-01-06  

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