Updated on 2025/04/10

写真a

 
TAKEDA Kota
 
Organization
Graduate School of Engineering Applied Physics 1 Assistant Professor
Undergraduate School
School of Engineering Physical Science and Engineering
Title
Assistant Professor

Research Interests 4

  1. 流体力学

  2. Numerical Analysis

  3. Uncertainty Quantification

  4. Data Assimilation

Research Areas 2

  1. Natural Science / Mathematical analysis

  2. Natural Science / Applied mathematics and statistics

Research History 4

  1. 京都大学 数学・数理科学イノベーション人材育成強化コース・数理人材強化プログラム(国際)

    2024.4 - 2025.3

  2. 京都大学 大学院理学研究科 スーパーグローバルコース(数学分野)

    2022.9 - 2025.3

  3. 京都大学大学院教育支援機構   奨励研究員

    2022.4 - 2025.3

  4. RIKEN   RIKEN Center for Computational Science   Junior Research Associate

    2022.4 - 2025.3

Education 3

  1. Kyoto University   Graduate School of Science   Department of Mathematics

    2022.4 - 2025.3

  2. Kyoto University   Graduate School of Science   Department of Mathematics

    2020.4 - 2022.3

  3. Kyoto University   Faculty of Science   Faculty of Science

    2016.4 - 2020.3

Professional Memberships 3

  1. 日本数学会

  2. 日本応用数理学会

  3. Society for Industrial and Applied Mathematics

Awards 4

  1. 2024年度応用数学研究奨励賞

    2025.3   日本数学会   ノイズを含む部分観測に対するensemble Kalman filterの誤差解析

  2. 第63回リバネス研究費 incu・be賞 (奨励賞)

    2024.4   株式会社リバネス   カオス力学系の不安定性に基づくアンサンブルデータ同化への新アプローチ

    竹田 航太

  3. Best Presentation Award for Young Researcher

    2023.11   The 20th International Conference on Flow Dynamics   A Monte Carlo approach to the N-vortex problem on the unit sphere

    Kota Takeda, Takashi Sakajo

  4. Poster Award Mathematical Science Prize

    2023.9   RIKEN summer school 2023   Mathematical Approach to Data Assimilation Problem

    Kota Takeda

 

Papers 3

  1. Uniform Error Bounds of the Ensemble Transform Kalman Filter for Chaotic Dynamics with Multiplicative Covariance Inflation Reviewed Open Access

    Kota Takeda, Takashi Sakajo

    SIAM/ASA Journal on Uncertainty Quantification     2024.12

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1137/24M1637192

  2. Topological regularization on numerical simulations of the advection equation Reviewed Open Access

    Kota Takeda, Shizuo Kaji, Takemasa Miyoshi

    JSIAM Letters   Vol. 16   page: 53 - 56   2024.7

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.14495/jsiaml.16.53

    Open Access

  3. Geometric Ergodicity for Hamiltonian Monte Carlo on Compact Manifolds Reviewed

    Kota Takeda, Takashi Sakajo

    SIAM Journal on Numerical Analysis     2023.12

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)  

    DOI: 10.1137/22M1543550

MISC 1

  1. HMCによるN点渦系の不変測度の構成

    竹田航太, 竹田航太, 坂上貴之

    日本応用数理学会年会講演予稿集(CD-ROM)   Vol. 2022   2022

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Presentations 44

  1. ノイズを含む部分観測に対するEnsemble Kalman Filterの誤差解析

    竹田 航太, 坂上 貴之

    2024年度応用数学合同研究集会  2024.12.5 

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    Event date: 2024.12

    Language:Japanese   Presentation type:Oral presentation (general)  

  2. Uniform error bounds of the ensemble square root filter for chaotic dynamics with multiplicative covariance inflation Invited

    Kota Takeda, Takashi Sakajo

    The 1st MMS Workshop for Young Researchers  2024.11.20 

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    Event date: 2024.11

    Language:English   Presentation type:Oral presentation (invited, special)  

  3. Mathematical analysis of data assimilation and related topics Invited

    Kota Takeda

    Applied Mathematics Freshman Seminar 2024  2024.11.3 

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    Event date: 2024.11

    Language:English   Presentation type:Oral presentation (invited, special)  

  4. データ同化の数学解析と数値解析的な課題 Invited

    竹田 航太, 坂上 貴之

    RIMS共同研究 (公開型) 計算科学に資する数値解析学の展開  2024.10.24 

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    Event date: 2024.10

    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  5. Error analysis of the ensemble square root filters with multiplicative inflation for dissipative dynamical systems

    Kota Takeda, Takashi Sakajo

    The CRC International Summer School  2024.9.16 

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    Event date: 2024.9

    Language:English   Presentation type:Poster presentation  

  6. Uniform error bounds of the ensemble transform Kalman filter for chaotic dynamics with multiplicative covariance inflation

    Kota Takeda, Takashi Sakajo

    MSJ Autumn Meeting 2024 at Osaka University  2024.9.6 

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    Event date: 2024.9

    Language:English   Presentation type:Oral presentation (general)  

  7. Mathematical Analysis of Data Assimilation for Dissipative Dynamical Systems

    Kota Takeda, Takashi Sakajo

    2024 RIKEN Summer School  2024.9.2 

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    Event date: 2024.9

    Language:English   Presentation type:Poster presentation  

  8. Mathematical Analysis of the Ensemble Kalman filter

    Kota Takeda, Takashi Sakajo

    The 17th SIAM East Asia Section Conference  2024.6.30 

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    Event date: 2024.6 - 2024.7

    Presentation type:Oral presentation (general)  

  9. Rigorous analysis of the ensemble transform Kalman filter for chaotic dynamical models

    Kota Takeda

    SIAM Conference on Uncertainty Quantification  2024.2.28 

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    Event date: 2024.2 - 2024.3

    Presentation type:Poster presentation  

  10. 無限次元非線形力学系のデータ同化

    竹田航太

    2023年度応用数学合同研究集会  2023.12.15 

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    Event date: 2023.12

    Presentation type:Oral presentation (general)  

  11. Ensemble data assimilation to infinite-dimensional nonlinear dynamics with noisy observations

    Kota Takeda

    Dynamics Days 2023 Kagurazaka  2023.12.7 

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    Event date: 2023.12

    Presentation type:Oral presentation (general)  

  12. A Monte Carlo approach to the N-vortex problem on the unit sphere

    Kota Takeda

    Twentieth International Conference on Flow Dynamics  2023.11.8 

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    Event date: 2023.11

    Presentation type:Oral presentation (general)  

  13. Mathematical Approach to Data Assimilation Problem

    Kota Takeda

    RIKEN 2023 Summer School  2023.9.6 

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    Event date: 2023.9

    Presentation type:Poster presentation  

  14. Computing the invariant measure of the N-vortex problem on the sphere by Hamiltonian Monte Carlo

    Kota Takeda

    ICIAM 2023 Tokyo  2023.8.22 

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    Event date: 2023.8

    Presentation type:Oral presentation (general)  

  15. Topological Regularization in Numerical Simulation

    Kota Takeda

    TDA week 2023  2023.7.31 

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    Event date: 2023.7 - 2023.8

    Presentation type:Poster presentation  

  16. HMC による球面上 N 点渦系不変測度の計算

    竹田航太

    日本数学会2023年度年会  2023.3.17 

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    Event date: 2023.3

    Presentation type:Oral presentation (general)  

  17. A Monte Carlo approach to the N-vortex problem on the unit sphere Invited

    Kota Takeda

    Conference ‘Mathematical Structure in Quantum Fluids’  2023.1.24 

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    Event date: 2023.1

    Presentation type:Oral presentation (general)  

  18. Efficient sampling method on compact manifolds and its application to turbulent statistics on the unit sphere Invited

    Kota Takeda

    East Asian Core Doctoral Forum on Mathematics 2023  2023.1.9 

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    Event date: 2023.1

    Presentation type:Poster presentation  

  19. HMCによる球面上N点渦系不変測度の計算

    竹田航太

    2022年度応用数学合同研究集会  2022.12.17 

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    Event date: 2022.12

    Presentation type:Oral presentation (general)  

  20. 移流方程式の数値計算におけるトポロジー正則化

    竹田航太, 坂上貴之

    日本応用数理学会 若手の会 第10回学生研究発表会  2025.3.8 

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    Presentation type:Poster presentation  

  21. 球面上の平均場方程式に対するHMCを用いたモンテカルロアプローチ Invited

    竹田航太

    第99回金沢解析セミナー  2022.12.9 

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    Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  22. 流体力学へのUQ的アプローチの事例紹介

    竹田航太

    応用数理学会 若手の会 第7回学生研究発表会  2022.3.10 

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    Presentation type:Oral presentation (general)  

  23. 多様体上HMCの収束定理と乱流統計への応用 Invited

    竹田航太

    第7回岡山応用数学セミナー  2022.8.2 

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    Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  24. ハミルトンモンテカルロ法の紹介 Invited

    竹田航太

    第12回 理研・京大データ同化研究会  2021.2.10 

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    Presentation type:Oral presentation (general)  

  25. トポロジカルデータ同化理論の構築について Invited

    竹田航太

    第14回 理研・京大データ同化研究会  2023.2.15 

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    Presentation type:Oral presentation (general)  

  26. データ同化の数理

    竹田航太

    京大 応用数理 学生ポスター発表会  2023.6.17 

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    Presentation type:Poster presentation  

  27. データ同化の数理 Invited

    竹田 航太, 坂上貴之

    The 1st Kyoto and Waseda SIAM Student Chapter Conference  2024.9.13 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

  28. データ同化の数学解析について

    竹田航太

    応用数学若手の会 第8回 学生研究発表会  2023.3.11 

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    Presentation type:Poster presentation  

  29. UQと数理流体力学からはじめる学際研究の可能性

    竹田航太

    大学院教育支援機構奨励研究員及びフェローシップ受給者によるポスター発表会・研究交流会  2022.10.27 

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    Presentation type:Poster presentation  

  30. UQと数理流体力学からはじめる学際研究の可能性 Invited

    竹田航太

    応用数学フレッシュマンセミナー2022  2022.10.15 

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    Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  31. Uniform error bounds of the ensemble transform Kalman filter with multiplicative covariance inflation for chaotic dynamics Invited

    Kota Takeda

    25th Prediction Science Seminar  2024.4.12 

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    Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  32. Uniform error bounds of the ensemble transform Kalman filter for infinite-dimensional dynamics with multiplicative covariance inflation Invited

    Kota Takeda

    AIMR Math Group Hybrid Seminar  2024.4.19 

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    Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  33. Theoretical aspect of the ETKF and covariance inflation Invited

    Kota Takeda

    DA Seminary at IMT Atlantique  2024.3.14 

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    Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  34. The Essence of Data Assimilation Invited

    Kota Takeda

    The 1st SIAM Student Chapter Kyoto Seminar  2024.5.17 

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    Presentation type:Public lecture, seminar, tutorial, course, or other speech  

  35. Mathematical Approach to Data Assimilation Problem

    竹田航太

    大学院教育支援機構奨励研究員及びフェローシップ受給者によるポスター発表会・研究交流会  2023.11.1 

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    Presentation type:Poster presentation  

  36. Mathematical analysis of the ensemble transform Kalman filter with covariance inflation Invited

    Kota Takeda

    14th Data Assimilation workshop  2023.8.30 

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    Presentation type:Poster presentation  

  37. Mathematical analysis of the ensemble transform Kalman filter for chaotic dynamics with multiplicative inflation

    Kota Takeda

    The 6th R-CCS International Symposium  2024.1.29 

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    Presentation type:Poster presentation  

  38. Mathematical Analysis of Data Assimilation to Chaotic Dynamics Invited

    Kota Takeda

    NCTS-Kyoto Mathematics Symposium  2023.12.9 

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    Presentation type:Poster presentation  

  39. Mathematical analysis of Data Assimilation

    2024.10.30 

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    Language:English   Presentation type:Poster presentation  

  40. HMCによるN点渦系の不変測度の構成

    竹田航太

    応用数理学会 2022年度年会  2022.9.8 

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    Presentation type:Oral presentation (general)  

  41. Error analysis of the ensemble Kalman filter

    竹田 航太, 坂上 貴之

    数学・数理科学専攻若手研究者のための異分野・異業種研究交流会  2024.10.19 

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    Language:Japanese   Presentation type:Poster presentation  

  42. Error analysis and numerical issues in data assimilation Invited

    Kota Takeda

    Synergies of Machine Learning and Numerics  2025.3.13 

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    Presentation type:Oral presentation (general)  

  43. Ensemble filter with the optimal transport of gaussian mixture distributions Invited

    Kota Takeda

    IMT-Atlantique & Kyoto University & RIKEN joint Data Assimilation workshop  2023.8.29 

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    Presentation type:Oral presentation (general)  

  44. Computing the invariant measure of the N-vortex problem on the unit sphere

    Kota Takeda

    The 5th R-CCS International Symposium  2023.2.6 

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    Presentation type:Poster presentation  

▼display all

KAKENHI (Grants-in-Aid for Scientific Research) 2

  1. カオス力学系の不安定性に基づくアンサンブルデータ同化への新アプローチ

    2024.4 - 2025.3

    株式会社リバネス  第63回リバネス研究費 incu・be賞 (奨励賞) 

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    Authorship:Principal investigator 

  2. 不確実性定量化の数理流体力学への包括的な応用 -渦力学とデータ同化を中心に-

    Grant number:JPMJSP2110  2022.4 - 2025.3

    京都大学大学院教育支援機構  京都大学大学院教育支援機構プログラム 

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    Authorship:Principal investigator  Grant type:Competitive

 

Academic Activities 5

  1. The 1st MMS Workshop for Young Researchers International contribution

    Role(s):Planning, management, etc., Panel moderator, session chair, etc.

    Kyoto University  ( Kyoto University ) 2024.11

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    Type:Academic society, research group, etc. 

  2. Applied Mathematics Freshman Seminar 2024 International contribution

    Role(s):Planning, management, etc., Panel moderator, session chair, etc.

    Kota Takeda  ( Kyoto University ) 2024.11

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    Type:Academic society, research group, etc. 

  3. The 10th International Symposium on Data Assimilation International contribution

    Role(s):Planning, management, etc.

    RIKEN  ( Kobe ) 2024.10

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    Type:Competition, symposium, etc. 

  4. Organizer of mini-symposium (SIAM Student Chapter Research Presentations) at The 17th SIAM East Asia Section Conference International contribution

    Role(s):Planning, management, etc., Panel moderator, session chair, etc.

    Kota Takeda  ( Macau University, Macao SAR, China ) 2024.6 - 2024.7

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    Type:Academic society, research group, etc. 

  5. President of SIAM Student Chapter Kyoto International contribution

    Role(s):Planning, management, etc.

    2022