NISHIYAMA Yoichi

ニシヤマヨウイチ | NISHIYAMA Yoichi

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://nishiyama.w.waseda.jp/

Research field (3)： Applied mathematics and statistics , Basic mathematics , Statistical science

Research keywords (5)： Mathematical Statistics , Probability Theory , Data Science , Martingales , Random Fields

Research theme for competitive and other funds (8)：

2024 - 2029 Stochastic maximal inequalities for semimartingales and their applications to statistics
2018 - 2024 高次元マルチンゲール理論とその統計的応用
2015 - 2019 Theory for quantile regression inference of time series and its applications
2015 - 2018 超高次元の確率解析手法による統計的推測
2012 - 2015 無限次元の弱収束理論と統計的応用

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Papers (36)：

Yoichi Nishiyama. On ranks statistics of *PageRrank* and *MarkovRank*. WASEDA GLOBAL FORUM. 2022. 19. 159-180
Koji Tsukuda, Yoichi Nishiyama. Weak convergence of marked empirical processes in a Hilbert space and its applications. ELECTRONIC JOURNAL OF STATISTICS. 2020. 14. 2. 3914-3938
Ilia Negri, Yoichi Nishiyama. Moment convergence of $Z$-estimators. STATISTICAL INFERENCE FOR STOCHASTIC PROCESSES. 2017. 20. 3. 387-397
Kou Fujimori, Yoichi Nishiyama. The Dantzig selector for diffusion processes with covariates. JOURNAL OF THE JAPAN STATISTICAL SOCIETY. 2017. 47. 1. 59-73
Ilia Negri, Yoichi Nishiyama. $Z$-process method for change point problems with applications to discretely observed diffusion processes. STATISTICAL METHODS AND APPLICATIONS. 2017. 26. 2. 231-250

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MISC (3)：

西山陽一. 確率・統計の肝 : マルチンゲール,赤池情報量規準 (特集時代が求める統計学). 数学セミナー. 2013. 52. 10. 28-33
Ilia Negri, Yoichi Nishiyama. Moment convergence of $Z$-estimators and $Z$-process method for change point problems. Research Memorandum, The Institute of Statistical Mathematics. 2012. 1158
Entropy Methods for Random Fields Generated by Martingales and Their Statistical Applications. 1999. 47. 1. 157-174

Books (3)：

Martingale Methods in Statistics
CRC Press, Taylor & Francis Group 2022 ISBN:9781466582811
Statistical Analysis by the Theory of Martingales (In Japanese)
Kindaikagakusha 2011
Entropy Methods for Martingales
CWI Tracts 2000

Lectures and oral presentations (5)：

A stochastic maximal inequality and its applications
(EcoSta 2023 2023)
A stochastic maximal inequality, weak convergence of infinite-dimensional martingales, and semiparametric statistics
(日本数学会 2013 年度秋季総合分科会 2013)
Adaptive semiparametric estimation for diffusion processes
(The 2nd Institute of Mathematical Statistics Asia Pacific Rim Meeting 2012)
Bracketing CLT for martingales
(52th ISI World Statistical Congress 1999)
マルチンゲール確率場に対するエントロピー法とその統計的推測への応用
(日本数学会 1999 年度年会 1999)

Education (3)：

1993 - 1994 Osaka University Graduate School of Fundamental Engeneering Department of Mathematical Science (Doctor's course)
1991 - 1993 Osaka University Graduate School of Fundamental Engeneering Department of Mathematical Science (Master's course)
1987 - 1991 Osaka University Faculty of Science Department of Mathematics

Professional career (2)：

Work history (4)：

2016/04 - 現在 Faculty of International Research and Education, Waseda University Professor
2015/04 - 2016/03 Faculty of International Research and Education, Waseda University Associate Professor
2008/04 - 2015/03 The Institute of Statistical Mathematics Associate Professor
1994/04 - 2008/03 The Institute of Statistical Mathematics Assistant Professor

Committee career (5)：

2013 - 2015 日本統計学会会誌編集理事(欧文)
2010 - 2012 The 2nd Institute of Mathematical Statistics Asia Pacific Rim Meeting 2012 Local organizing comittee
2009 - 2010 日本数学会評議員
2007 - 2009 日本数学会和文誌「数学」編集委員
2007 - 2008 統計学関連連合大会企画委員

Awards (1)：

Association Membership(s) (2)：

日本数学会 , 日本統計学会

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