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J-GLOBAL ID：201701018682404601 Update date: Apr. 17, 2025

Imaizumi Masaaki

イマイズミマサアキ | Imaizumi Masaaki

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Affiliation and department：
Job title： Associate Professor
Other affiliations (1)：

RIKEN Center for Advanced Intelligence Project Team Director

Homepage URL (1)： https://sites.google.com/view/mimaizumi/

Research field (2)： Statistical science , Intelligent informatics

Research keywords (3)： Machine Learning , Nonparametric Statistics , Mathematical Statistics

Research theme for competitive and other funds (16)：

2025 - 2030 深層学習の動力学理論構築によるニューラルネット訓練技術の高速化
2024 - 2029 機械学習的宇宙構造論: 構造形成から銀河進化へ
2024 - 2029 深層科学技術計算:数理科学を基盤とする物理構造と深層学習の融合
2025 - 2028 物理法則を用い未知の実空間を予測可能なAI基盤
2024 - 2027 Theoretical development of non-sparse high-dimensional statistics for understanding and utilization of large-degree-of-freedom models

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Papers (49)：

Yoshiyuki Norimatsu, Masaaki Imaizumi. Encode-Decoder-based GAN for Estimating Counterfactual Outcomes under Sequential Selection Bias and Combinatorial Explosion. Causal Learning and Reasoning PMLR. 2025
Guillaume Braun, Minh Ha Quang, Masaaki Imaizumi. Learning a Single Index Model from Anisotropic Data with Vanilla Stochastic Gradient Descent. Artificial Intelligence and Statistics PMLR. 2025
Shogo Nakakita, Masaaki Imaizumi. Benign Overfitting in Time Series Linear Model with Over-Parameterization. Bernoulli. 2025
Motoki Nakata, Masaaki Imaizumi. Landscape Computations for the Edge of Chaos in Nonlinear Dynamical Systems. 2025
Naoki Takeshita, Masaaki Imaizumi. Approximation of Permutation Invariant Polynomials by Transformers: Efficient Construction in Column-Size. 2025

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MISC (25)：

Yuma Sato, Masaaki Imaizumi. Optimal Approximation Rate of Deep CNN with Small Filter. 2023. 122. 405. 129-133
澤谷一磨, 植松良公, 今泉允聡. High-Dimensional Asymptotics of Semiparametric Generalized Linear Models via Approximate Message Passing. 統計関連学会連合大会講演報告集. 2022
津田俊樹, 今泉允聡. 操作変数による非スパース高次元な線形回帰モデルの良性過適合. 統計関連学会連合大会講演報告集. 2022
岡野遼, 今泉允聡. 多変量ガウス分布間回帰. 統計関連学会連合大会講演報告集. 2022
今泉允聡. 補正付敵対的訓練による深層ニューラルネットワーク推定量のSupノルム収束. 統計関連学会連合大会講演報告集. 2022

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Books (4)：

人工知能とどうつきあうか: 哲学から考える
勁草書房 2023 ISBN:4326103248
応用基礎としてのデータサイエンス AI×データ活用の実践 (データサイエンス入門シリーズ)
講談社 2023 ISBN:4065307899
ニューラルネットワークとディープラーニング
学術図書出版社 2022 ISBN:4780607140
深層学習の原理に迫る : 数学の挑戦
岩波書店 2021 ISBN:9784000297035

Lectures and oral presentations (79)：

現代的データ科学の数理:新しい高次元統計とインコンテキスト学習の統計理論
(統計数学☓情報☓物質セミナー1〜数学とマテリアルズDX〜 2025)
AIや数理・情報の研究者は何を研究しているの?
(女子中高生対象イベント「AI時代、中高生は将来に向けて何をすればいいのか?」 2025)
Statistical Analysis on In-Context Learning
(International Indian Statistical Association Conference 2024)
Statistical Analysis on In-Context Learning
(IMS International Conference on Statistics and Data Science (ICSDS) 2024)
Non-sparse high-dimensional statistics: structured model, neural network, and universality
(International Symposium on Theories, Methodologies and Applications for Large Complex Data 2024)

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Education (5)：

2014 - 2017 The University of Tokyo Graduate School of Economics Department of Statistics (Ph.D.)
2011 - 2014 The University of Tokyo Graduate School of Economics Department of Contemporary Economics (Master course)
2009 - 2011 The University of Tokyo Faculty of Letters Division of history
2007 - 2009 The University of Tokyo Collage of arts and sciences Natural Science I
2004 - 2007 Kaisei High School

Professional career (1)：

博士 (東京大学)

Work history (11)：

2023/08 - 現在 RIKEN Center for Advanced Intelligence Project Team Leader/Team Director
2022/04 - 現在 Japan Science and Technology Agency Forest Researcher
2021/04 - 現在 The University of Tokyo Graduate School of Economics, Department of Statistics Associate Professor
2020/04 - 現在 The Institute of Statistical Mathematics Research Center for Statistical Machine Learning Visiting Associate Professor
2020/04 - 現在 The University of Tokyo Graduate School of Arts and Sciences, Department of Basic Science / Komaba Institute of Science Associate Professor

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Committee career (15)：

2024/10 - 現在統計質保証推進協会統計検定CBT委員会第十三分科会委員
2024/09 - 現在 Statistics and Computing Associate Editor
2024/06 - 現在応用統計学会編集委員
2023/10 - 現在 International Conference on Learning Representations Area Chair
2022/04 - 現在 International Conference on Machine Learning Area Chair

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Awards (22)：

2025/04 - The Funai Foundation for Information Technology Funai Information Technology Award
2024/11 - IBIS2024 優秀プレゼンテーション賞
2023/04 - Ministry of Education, Culture, Sports, Science and Technology The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, The Young Scientists’ Award
2022/11 - The University of Tokyo Excellent Young Researcher
2021/07 - Tohoku University Hosoya Prize

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Association Membership(s) (3)：

Physical Society of Japan , The Institute of Electronics, Information and Communication Engineers , THE JAPAN STATISTICAL SOCIETY

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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