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nishiyama yoichi  西山 陽一

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NISHIYAMA Yoichi  西山 陽一

西山 陽一  ニシヤマ ヨウイチ

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Researcher Number 90270412
Other IDs
Affiliation (Current) 2025: 早稲田大学, 国際学術院, 教授
Affiliation (based on the past Project Information) *help 2015 – 2024: 早稲田大学, 国際学術院, 教授
2018: 早稲田大学, 国際教養学術院, 准教授
2015: 早稲田大学, 国際教養学術院, 准教授
2014: 統計数理研究所, 数理・推論研究系, 准教授
2013: 統計数理研究所, 大学共同利用機関等の部局等, 准教授 … More
2009 – 2012: The Institute of Statistical Mathematics, 数理・推論研究系, 准教授
2005: 統計数理研究所, 数理・推論研究系, 助手
2003 – 2004: 統計数理研究所, 統計基礎研究系, 助手
2000: 統計数理研究所, 統計基礎研究系・文部科学教官, 助手
1999: 統計数理研究所, 統計基礎研究系, 助手 Less
Review Section/Research Field
Principal Investigator
General mathematics (including Probability theory/Statistical mathematics) / Basic Section 60030:Statistical science-related / Statistical science / General mathematics (including Probability theory/Statistical mathematics)
Except Principal Investigator
Foundations of mathematics/Applied mathematics
Keywords
Principal Investigator
マルチンゲール / 最大不等式 / 確率過程 / 弱収束 / 推定方程式 / 変化点問題 / 漸近理論 / エントロピー / スパース推定 / Dantzig selector … More / 経験過程 / 検定 / 推定 / 適合度検定 / 変化点 / 拡散過程 / 確率場 / 中心極限定理 / LASSO と Dantzig selector / 統計的仮説検定 / 統計的推定 / 変化点検定 / 高次元統計学 / 高次元データ / ヒルベルト空間 / 統計推測 / 順位統計量 / PageRank / 有向グラフ / マルコフ連鎖 / LASSO / 高次元統計モデル / 比例ハザードモデル / 一致性 / スパース性 / 超高次元モデル / 超高次元統計モデル / セミパラメトリック推定 / 国際情報交換 / セミパラメトリック統計 / Cox モデル / 緊密性 / 無限次元解析 / 不変原理 / 漸近有効性 / メトリック・エントロピー / 弱拘束 / 仮説検定 / 確率解析 / ノンパラメトリック推測 / 収束率 / セミパラメトリクス / ノンパラメトリクス / M-推定 / 最尤法 … More
Except Principal Investigator
金融工学 / 統計科学 / Whittle 推定 / ポートフォリオ / 判別 / 補間 / 予測 / 統計数学 / 円周分布 / 高次元時系列 / 縮小推定量 / 金融データ解析 / 縮小推定 / 非正則検定理論 / 高次元時系列解析 / 予測・補間 / 定常過程 / 分位点回帰 / 時系列解析 Less
  • Research Projects

    (8 results)
  • Research Products

    (105 results)
  • Co-Researchers

    (10 People)
  •  Stochastic maximal inequalities for semimartingales and their applications to statisticsPrincipal Investigator

    • Principal Investigator
      西山 陽一
    • Project Period (FY)
      2024 – 2028
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60030:Statistical science-related
    • Research Institution
      Waseda University
  •  Theory of high-dimensional martingales and its statistical applicationsPrincipal Investigator

    • Principal Investigator
      Nishiyama Yoichi
    • Project Period (FY)
      2018 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60030:Statistical science-related
    • Research Institution
      Waseda University
  •  Statistical inference by the method of super high dimensional stochastic analysisPrincipal Investigator

    • Principal Investigator
      Nishiyama Yoichi
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Statistical science
    • Research Institution
      Waseda University
  •  Theory for quantile regression inference of time series and its applications

    • Principal Investigator
      Taniguchi Masanobu
    • Project Period (FY)
      2015 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Foundations of mathematics/Applied mathematics
    • Research Institution
      Waseda University
  •  Weak convergence in infinite-dimensional spaces and statistical applicationsPrincipal Investigator

    • Principal Investigator
      NISHIYAMA Yoichi
    • Project Period (FY)
      2012 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      The Institute of Statistical Mathematics
  •  Statistical Applications of metric entropy methodsPrincipal Investigator

    • Principal Investigator
      NISHIYAMA Yoichi
    • Project Period (FY)
      2009 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      The Institute of Statistical Mathematics
  •  マルチンゲールに対するエントロピー法の理論と統計的応用に関する研究Principal Investigator

    • Principal Investigator
      西山 陽一
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      The Institute of Statistical Mathematics
  •  マルチンゲールに対するエントロピー法の統計的応用Principal Investigator

    • Principal Investigator
      西山 陽一
    • Project Period (FY)
      1999 – 2000
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      General mathematics (including Probability theory/Statistical mathematics)
    • Research Institution
      The Institute of Statistical Mathematics

All 2023 2022 2020 2019 2017 2016 2015 2014 2012 2011 2010 2009 2006 2005 Other

All Journal Article Presentation Book

  • [Book] Martingale Methods in Statistics2022

    • Author(s)
      Yoichi Nishiyama
    • Total Pages
      246
    • Publisher
      CRC Press
    • ISBN
      9781466582811
    • Data Source
      KAKENHI-PROJECT-18K11203
  • [Book] マルチンゲール理論による統計解析2011

    • Author(s)
      西山陽一
    • Total Pages
      182
    • Publisher
      近代科学社
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Book] マルチンゲール理論による統計解析

    • Author(s)
      西山陽一
    • Publisher
      近代科学社
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] On rank statistics of PageRank and MarkovRank2022

    • Author(s)
      Yoichi Nishiyama
    • Journal Title

      Waseda Global Forum

      Volume: 19 Pages: 159-180

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K11203
  • [Journal Article] Weak convergence of marked empirical processes in a Hilbert space and its applications2020

    • Author(s)
      Tsukuda Koji、Nishiyama Yoichi
    • Journal Title

      Electronic Journal of Statistics

      Volume: 14 Issue: 2 Pages: 3914-3938

    • DOI

      10.1214/20-ejs1761

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K11203, KAKENHI-PROJECT-18K13454
  • [Journal Article] The l_q consistency of the Dantzig selector for Cox's proportional hazards model2017

    • Author(s)
      Fujimori, K. and Nishiyama, Y.
    • Journal Title

      J. Statist. Plann. Inference

      Volume: 181 Pages: 62-70

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Journal Article] Z-process method for change point problems with applications to discretely observed diffusion processes2017

    • Author(s)
      Negri I. and Nishiyama, Y.
    • Journal Title

      Statistical Methods and Applications

      Volume: 26 Issue: 2 Pages: 231-250

    • DOI

      10.1007/s10260-016-0366-7

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Journal Article] The $l_q$ consistency of the Dantzig selector for Cox's proportional hazards model2017

    • Author(s)
      Fujimori, K. and Nishiyama, Y.
    • Journal Title

      J. Statist. Planning Inference

      Volume: 181 Pages: 62-70

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Journal Article] Moment convergence of Z-estimators2017

    • Author(s)
      Negri, I. and Nishiyama, Y.
    • Journal Title

      Statistical Inference for Stochastic Processes

      Volume: 20 Issue: 3 Pages: 387-397

    • DOI

      10.1007/s11203-016-9146-0

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Journal Article] The Dantzig selector for diffusion processes with covariates2017

    • Author(s)
      Fujimori, K. and Nishiyama, Y.
    • Journal Title

      J. Japan Statist. Soc.

      Volume: 47 Pages: 59-73

    • NAID

      130006292368

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Journal Article] On L2 space approach to change point problems2014

    • Author(s)
      Tsukuda, K. and Nishiyama, Y.
    • Journal Title

      Journal of Statistical Planning and Inference

      Volume: 149 Pages: 46-59

    • DOI

      10.1016/j.jspi.2014.02.007

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Journal Article] ノンパラメトリック変化点問題に対する順位統計量について.2012

    • Author(s)
      西山陽一
    • Journal Title

      統計数理

      Volume: 60 Pages: 215-218

    • NAID

      40019434426

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Journal Article] Moment convergence of Z-estimators and Z-process method for change point problems.2012

    • Author(s)
      Negri, I. and Nishiyama, Y.
    • Journal Title

      Reseach Memorandum, Inst. Statist. Math.

      Volume: 1158 Pages: 1-28

    • Data Source
      KAKENHI-PROJECT-24540152
  • [Journal Article] Some problems in nonparametric inference for the stress release process related to the local time.2012

    • Author(s)
      Fujii, T. and Nishiyama, Y.
    • Journal Title

      Ann. Inst. Statist. Math.

      Volume: 64 Pages: 991-1007

    • NAID

      40019382723

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Journal Article] Asymptotically distribution free test for parameter change in a diffusion process model.2012

    • Author(s)
      Negri, I. and Nishiyama, Y.
    • Journal Title

      Ann. Inst. Statist. Math.

      Volume: 64 Pages: 911-918

    • NAID

      40019382677

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Journal Article] Impossibility of weak convergence of kernel density estimators to a non-degenerate law in L_2(R^d)2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J. Nonparametr. Statist

      Volume: Vol.23 Pages: 129-135

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] A rank statistic for non-parametric k-sample and change point problems2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J.Japan Statist.Soc.

      Volume: 41 Pages: 67-73

    • NAID

      10029335267

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Impossibility of weak convergence of kernel density estimators to a non-degenerate law in L2 (Rd)2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J.Nonparametr.Statist.

      Volume: 23 Pages: 129-135

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Estimation for the invariant law of an ergodic diffusion process based on high-frequency data2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J.Nonparametr.Statist.

      Volume: 23 Pages: 909-915

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness-of-fit test for ergodic diffusions by discrete-time observations : an innovation martingale approach2011

    • Author(s)
      Masuda, H., Negri, I., Nishiyama, Y.
    • Journal Title

      J.Nonparametr.Statist.

      Volume: 23 Pages: 237-254

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness of fit test for small diffusions by discrete time observations2011

    • Author(s)
      Negri, I. and Nishiyama, Y.
    • Volume
      Vol.63
    • Pages
      211-225
    • NAID

      40018765520

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] A rank statistic for non-parametric k-sample and change point problems2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Journal of the Japan Statistical Society

      Volume: Vol.41

    • NAID

      10029335267

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness of fit test for ergodic diffusions by discrete time observations : an innovation martingale approach2011

    • Author(s)
      Masuda, H., Negri, I., Nishiyama, Y.
    • Journal Title

      Journal of Nonparametric Statistics

      Volume: Vol.23 Pages: 237-254

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] On Z-estimation by rounded data2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Journal of Statistical Planning and Inference

      Volume: 141 Pages: 287-292

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness of fit test for small diffusions by discrete observations2011

    • Author(s)
      Negri, I., Nishiyama, Y.
    • Journal Title

      Ann.Inst.Statist.Math.

      Volume: 63 Pages: 211-225

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness of fit test for small diffusions by discreto time observations2011

    • Author(s)
      Negri, I., Nishiyama, Y.
    • Journal Title

      Annals of the Institute of Statistical Mathematics

      Volume: 63 Pages: 211-225

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Impossibility of weak convergence of kernel density estimators to a non-degenerate law in L_2(R^d)2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Journal of Nonparametric Statistics

      Volume: 23 Pages: 129-135

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] On Z-estimation by rounded data2011

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J. Statist. Plann. Inference

      Volume: Vol.141 Pages: 287-292

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Review on goodness of fit tests for ergodic diffusion processes by different sampling scheme2010

    • Author(s)
      Negri, I., Nishiyama, Y.
    • Journal Title

      Economic Notes

      Volume: 39 Pages: 91-106

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] A remark on projection estimator2010

    • Author(s)
      Y.Nishiyama
    • Journal Title

      Research Memorandum, Inst.Statist.Math. 1117

    • NAID

      40017300727

    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Uniform rate of convergence of the smoothed Nelson-Aalen estimator2010

    • Author(s)
      Y.Nishiyama
    • Journal Title

      Research Memorandum, Inst.Statist.Math. 1118

    • NAID

      40017300728

    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Moment convergence of M-estimators2010

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Statistica Neerlandica

      Volume: 54 Pages: 505-507

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] 射影推定量についての一注意2010

    • Author(s)
      西山陽一
    • Journal Title

      統計数理

      Volume: 58 Pages: 127-130

    • NAID

      40017300727

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] A martingale central limit theorem in Hilbert space and its applications2010

    • Author(s)
      Y.Nishiyama
    • Journal Title

      Research Memorandum, Inst.Statist.Math. 1116

    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Moment convergence of M-estimators2010

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Statist. Neerlandica

      Volume: Vol.64 Pages: 505-507

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Impossibility of weak convergence of kernel density estimators in L_2(R^d)2010

    • Author(s)
      Y.Nishiyama
    • Journal Title

      To appear in J.Nonparametric Statist.

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness of fit test for ergodic diffusions by tick time sample scheme2010

    • Author(s)
      Negri, I., Nishiyama, Y.
    • Journal Title

      Statistical Inference for Stochastic Processes

      Volume: 13 Pages: 81-95

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] 平滑化Nelson-Aalen推定量の一様収束率2010

    • Author(s)
      西山陽一
    • Journal Title

      統計数理

      Volume: 58 Pages: 131-135

    • NAID

      40017300728

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Nonparametric inference in multiplicative intensity model by discrete time observation2010

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Annals of the Institute of Statistical Mathematics

      Volume: 62 Pages: 823-833

    • NAID

      40017245082

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness of fit test for ergodic diffusions by tick time sample scheme2009

    • Author(s)
      Negri, I. and Nishiyama, Y.
    • Journal Title

      Statist. Inference Stoch. Process

      Volume: Vol.13 Pages: 81-95

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Parametric estimation for volatility of ergodic diffusion process with unspecified drift.2009

    • Author(s)
      Y.Nishiyama
    • Journal Title

      Research Memorandum, Inst.Statist. Math. 1093

    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Two sample problem for rounded data2009

    • Author(s)
      Y.Nishiyama
    • Journal Title

      J.Japan Statist.Soc. 39

      Pages: 233-238

    • NAID

      10025992104

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness-of-fit test for a nonlinear time series.2009

    • Author(s)
      Y.Nishiyama
    • Journal Title

      J.Time Ser.Anal. 30

      Pages: 674-681

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Two sample problem for rounded data2009

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J. Japan Statist. Soc

      Volume: Vol.39 Pages: 233-238

    • NAID

      10025992104

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness of fite test for ergodic diffusions by tick time sample scheme2009

    • Author(s)
      I.Negri, Y.Nishiyama
    • Journal Title

      To appear in Statist. Inference Stoch. Process.

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness-of-fit test for a nonlinear times series2009

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J. Time Ser. Anal

      Volume: Vol.30 Pages: 674-681

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Estimation for the invariant law of an ergodic diffusion process based on high frequency data2009

    • Author(s)
      Y.Nishiyama
    • Journal Title

      Research Memorandum, Inst.Statist.Math. 1097,1098

    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Test for parameter change in diffusion processes by cusum statistics based on one-step estimators2006

    • Author(s)
      Lee, S., Nishiyama, Y., Yoshida, N.
    • Journal Title

      Annals of the Institute of Statistical Mathematics

    • NAID

      40007343848

    • Data Source
      KAKENHI-PROJECT-15740079
  • [Journal Article] On tightness of $ell infty$-valued local martingales with infinitely many jumps : metric and partitioning entropy approach2005

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Research Memorandum, The Institute of Statistical Mathematics 955

    • Data Source
      KAKENHI-PROJECT-15740079
  • [Journal Article] Nonparametric inference for Levy processes by continuous observation : a martingale approach2005

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      Research Memorandum, The Institute of Statistical Mathematics 960

    • Data Source
      KAKENHI-PROJECT-15740079
  • [Journal Article] A rank statistic for non-parametric k-sample and change point problems

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J. Japan Statisti. Soc

      Volume: Vol.41 Pages: 67-73

    • NAID

      10029335267

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Estimation for the invariant law of an ergodic diffusion process based on high-frequency data

    • Author(s)
      Nishiyama, Y.
    • Journal Title

      J. Nonparametr. Statist

      Volume: Vol.23 Pages: 909-915

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Journal Article] Goodness-of-fit test for ergodic fiffusions by discrete-time observations : an innovation martingale approach

    • Author(s)
      Masuda, H., Negri, I. and Nishiyama, Y.
    • Journal Title

      J. Nonparametr. Statist

      Volume: Vol.23 Pages: 237-254

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] A stochastic maximal inequality and its applications2023

    • Author(s)
      Yoichi Nishiyama
    • Organizer
      EcoSta 2023
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K11203
  • [Presentation] Three topics in nonparametric statistics2019

    • Author(s)
      西山陽一
    • Organizer
      Waseda International Symposium
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K11203
  • [Presentation] Goodness-of-fit tests for Markovian processes based on marked empirical processes2019

    • Author(s)
      Koji Tsukuda and Yoichi Nishiyama
    • Organizer
      3rd International Conference on Econometrics and Statistics
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K11203
  • [Presentation] マーク付き経験過程に基づくマルコフ過程の適合度検定2019

    • Author(s)
      佃康司、西山陽一
    • Organizer
      日本数学会2019年度年会
    • Data Source
      KAKENHI-PROJECT-18K11203
  • [Presentation] The Dantzig selector for some statistical models of stochastic processes2017

    • Author(s)
      Fujimori, K. and Nishiyama, Y.
    • Organizer
      European Meeting of Statisticians
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Presentation] 高次元・スパースなパラメータを持つ拡散過程に対する Dantzig selector2017

    • Author(s)
      藤森洸、西山陽一
    • Organizer
      統計関連学会連合大会
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Presentation] The Dantzig selector for diffusion processes with covariates2017

    • Author(s)
      藤森洸、西山陽一
    • Organizer
      日本数学会年会
    • Place of Presentation
      首都大学東京
    • Year and Date
      2017-03-24
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Presentation] Cox 比例ハザードモデルにおける Dantzig selector の一致性2016

    • Author(s)
      藤森洸、西山陽一
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      関西大学
    • Year and Date
      2016-09-15
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Presentation] Cox 比例ハザードモデルにおける Dantzig selector の一致性2016

    • Author(s)
      藤森洸、西山陽一
    • Organizer
      統計関連学会連合大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2016-09-04
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Presentation] A stochastic maximal inequality, strict countability, and related topics2015

    • Author(s)
      Yoichi Nishiyama
    • Organizer
      Waseda International Symposium
    • Place of Presentation
      早稲田大学
    • Year and Date
      2015-11-09
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Presentation] A stochastic maximal inequality, strict2015

    • Author(s)
      Yoichi Nishiyama
    • Organizer
      Seminari statistici dell'universita di Bergamo
    • Place of Presentation
      ベルガモ大学(イタリア共和国ベルガモ市)
    • Year and Date
      2015-09-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02061
  • [Presentation] A stochastic maximal inequality, strict countability, and related topics2015

    • Author(s)
      Yoichi Nishiyama
    • Organizer
      Seminari statistici dell'universita di Bergamo
    • Place of Presentation
      イタリア共和国ベルガモ大学
    • Year and Date
      2015-09-17
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00062
  • [Presentation] A stochastic maximal inequality, strict countability, and related topics2015

    • Author(s)
      Yoichi Nishiyama
    • Organizer
      Waseda International Symposium
    • Place of Presentation
      早稲田大学
    • Year and Date
      2015-11-09
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H02061
  • [Presentation] 「狭義可算集合」の概念の導入とその動機2014

    • Author(s)
      西山陽一
    • Organizer
      2014年統計関連学会連合大会
    • Place of Presentation
      東京大学本郷キャンパス
    • Year and Date
      2014-09-15
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] Semiparametric statistics with infinite-dimensional martingales: bridges between a stochastic maximal inequality and Cox's regression model2014

    • Author(s)
      Nishiyama, Y.
    • Organizer
      Symposium on "Stable Process, Semimartingale, Finance & Pension Mathematics"
    • Place of Presentation
      早稲田大学
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] Some results for change point problems2012

    • Author(s)
      Nishiyama, Y.
    • Organizer
      Quantum Tea Party Seminars
    • Place of Presentation
      ミラノ大学・イタリア(招待講演)
    • Year and Date
      2012-02-17
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Adaptive estimation for diffusion processes2012

    • Author(s)
      Nishiyama, Y.
    • Organizer
      Bergamo Statistics Seminar
    • Place of Presentation
      ベルガモ大学・イタリア(招待講演)
    • Year and Date
      2012-02-21
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 変化点問題についてのいくつかの話題2012

    • Author(s)
      西山陽一
    • Organizer
      科研費研究集会「数理統計学と代数統計の新たな展開」
    • Place of Presentation
      つくば国際会議場
    • Year and Date
      2012-01-20
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Adaptive semiparametric Bayes estimation2011

    • Author(s)
      西山陽一
    • Organizer
      統計関連学会連合大会
    • Place of Presentation
      九州大学
    • Year and Date
      2011-09-06
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Adaptive semiparametric Bayes estimation2011

    • Author(s)
      西山陽一
    • Organizer
      科研費研究集会「数理統計学の新たな展開」
    • Place of Presentation
      つくば国際会議場
    • Year and Date
      2011-07-08
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 拡散過程のセミパラメトリック推定:疑似尤度法とベイズ法2011

    • Author(s)
      西山陽一
    • Organizer
      早稲田大学理工学研究所プロジェクト研究セミナー
    • Place of Presentation
      早稲田大学(招待講演)
    • Year and Date
      2011-06-21
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 変化点問題2011

    • Author(s)
      西山陽一
    • Organizer
      日本数学会秋季分科会
    • Place of Presentation
      信州大学
    • Year and Date
      2011-09-30
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 丸められたデータの問題2011

    • Author(s)
      西山陽一
    • Organizer
      日本数学会秋季分科会
    • Place of Presentation
      信州大学
    • Year and Date
      2011-09-30
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Adaptive estimation for diffusion processes2011

    • Author(s)
      Nishiyama, Y.
    • Organizer
      Joint Meeting of the 2011 Taipei International Statistical Symposium and 7th Conference of the Asian Regional Section of the IASC
    • Place of Presentation
      Academia Sinica, Taiwan(招待講演)
    • Year and Date
      2011-12-17
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] ヒルベルト空間におけるマルチンゲール中心極限定理とその応用2010

    • Author(s)
      西山陽一
    • Organizer
      日本数学会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2010-09-25
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Entropy methods and martingales, with applications to statistics2010

    • Author(s)
      西山陽一
    • Organizer
      第4回日本統計学会春季集会
    • Place of Presentation
      青山学院大学(東京都)
    • Year and Date
      2010-03-07
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] ヒルベルト空間におけるマルチンゲール中心極限定理とその応用2010

    • Author(s)
      西山陽一
    • Organizer
      統計関連学会連合大会
    • Place of Presentation
      早稲田大学
    • Year and Date
      2010-09-07
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] カーネル密度推定量のL_2(R^d)空間での弱収束が不可能であること2009

    • Author(s)
      西山陽一
    • Organizer
      2009日本数学会 秋季総合分科会
    • Place of Presentation
      大阪大学(大阪府)
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Semiparametric estimation for stochastic processes2009

    • Author(s)
      西山陽一
    • Organizer
      2009年度統計関連学会連合大会
    • Place of Presentation
      同志社大学(京都府)
    • Year and Date
      2009-09-07
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 確率過程のノンパラメトリック適合度検定2009

    • Author(s)
      西山陽一
    • Organizer
      2009日本数学会 秋季総合分科会
    • Place of Presentation
      大阪大学(大阪府)
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Donsker's theorem for discretized data2009

    • Author(s)
      西山陽一
    • Organizer
      2009年度統計関連学会連合大会
    • Place of Presentation
      同志社大学(京都府)
    • Year and Date
      2009-09-07
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 高頻度データによるエルゴード的拡散過程の不変測度の推定2009

    • Author(s)
      西山陽一
    • Organizer
      2009日本数学会 秋季総合分科会
    • Place of Presentation
      大阪大学(大阪府)
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 確率過程のセミパラメトリック推定2009

    • Author(s)
      西山陽一
    • Organizer
      2009日本数学会 秋季総合分科会
    • Place of Presentation
      大阪大学(大阪府)
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 計数過程の二標本問題2009

    • Author(s)
      西山陽一
    • Organizer
      2009日本数学会 秋季総合分科会
    • Place of Presentation
      大阪大学(大阪府)
    • Year and Date
      2009-09-26
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 変化点問題のための Z-process 法

    • Author(s)
      西山陽一
    • Organizer
      統計関連学会連合大会
    • Place of Presentation
      北海道大学
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] Adaptive semiparametric estimation for diffusion processes

    • Author(s)
      Nishiyama, Y.
    • Organizer
      The 2nd Institute of Mathematical Statistics Asia Pacific Rim Meeting 2012
    • Place of Presentation
      つくば国際会議場
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] 変化点問題のための Z-process 法

    • Author(s)
      西山陽一
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      信州大学
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] A stochastic maximal inequality, weak convergence of infinite-dimensional martingales, and semiparametric statistics

    • Author(s)
      西山陽一
    • Organizer
      日本数学会
    • Place of Presentation
      愛媛大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] Donsker's theorem for discretized data

    • Author(s)
      西山陽一
    • Organizer
      2009年度統計関連学会連合大会
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Semiparametric estimation for stochastic processes

    • Author(s)
      西山陽一
    • Organizer
      2009年度統計関連学会連合大会
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Asymptotically distribution free test for parameter change in a diffusion process

    • Author(s)
      Negri, I. and Nishiyama, Y.
    • Organizer
      2011年度統計関連学会連合大会
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] ISI-ISM-ISSAS Joint Conference on Statistics and Probability

    • Author(s)
      Nishiyama, Y.
    • Organizer
      Asymptotic theory of Z-estimators for stochastic processes with applications to ergodic diffusions and time series
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] ヒルベルト空間におけるマルチンゲール中心極限定理とその応用

    • Author(s)
      西山陽一
    • Organizer
      2010年度統計関連学会連合大会
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] 局所時間に基づくストレス解放モデルの統計的推測

    • Author(s)
      藤井孝之・西山陽一
    • Organizer
      2011年度統計関連学会連合大会
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Applications of entropy methods to some statistical tests for diffusion processes

    • Author(s)
      Negri, I. and Nishiyama, Y.
    • Organizer
      The 2nd Institute of Mathematical Statistics Asia Pacific Rim Meeting 2012
    • Place of Presentation
      つくば国際会議場
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] Entropy methods and martingales, with applications to statistics

    • Author(s)
      西山陽一
    • Organizer
      第4回日本統計学会春季集会
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Adaptive estimation for diffusion processes

    • Author(s)
      Nishiyama, Y.
    • Organizer
      Joint Meeting of the 2011 Taipei International Statistical Symposimu and 7^<th> Conference of the Asia Regional Section of the IASC
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Adaptive semiparametric Bayes estimation

    • Author(s)
      西山陽一
    • Organizer
      2011年度統計関連学会連合大会
    • Data Source
      KAKENHI-PROJECT-21540157
  • [Presentation] Martingale methods in statistics

    • Author(s)
      Nishiyama, Y.
    • Organizer
      ISI-ISM-ISSAS Joint Conference
    • Place of Presentation
      Academia Sinica, Taipei
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] On "Entropy-Martingale Methods in Statistics''

    • Author(s)
      Nishiyama, Y.
    • Organizer
      JAFEE-Columbia-ISM International Conference
    • Place of Presentation
      統計数理研究所
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] Z-推定量のモーメント収束

    • Author(s)
      西山陽一
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      信州大学
    • Data Source
      KAKENHI-PROJECT-24540152
  • [Presentation] Z-推定量のモーメント収束

    • Author(s)
      西山陽一
    • Organizer
      統計関連学会連合大会
    • Place of Presentation
      北海道大学
    • Data Source
      KAKENHI-PROJECT-24540152
  • 1.  Taniguchi Masanobu (00116625)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  姚 峰 (90284348)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  白石 博 (90454024)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  加藤 賢悟 (50549780)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  清水 泰隆 (70423085)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  阿部 俊弘 (70580570)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  Fujimori Kou
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 8 results
  • 8.  Ilia Negri
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  Hallin Marc
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  Monti Anna Clara
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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