Rchr
J-GLOBAL ID：200901081189873393
Update date: Nov. 01, 2024
Ogita Takeshi
オギタ タケシ | Ogita Takeshi
Affiliation and department：
Job title：
Professor
Homepage URL (2)：
https://ogilab.w.waseda.jp/ogita/math/
,
https://ogilab.w.waseda.jp/ogita/
Research field (1)：
Computational science
Research keywords (3)：
高精度計算
, 精度保証付き数値計算
, 数値線形代数
Research theme for competitive and other funds (14)：
- 2022 - 2025 Fast and accurate eigenvalue calculations by hierarchical low-rank approximation and its application to large-scale electronic structure calculations
- 2021 - 2025 Computer-assisted solution verification for 3D flows with large Reynolds numbers
- 2020 - 2025 物理学・情報科学に共通する大規模行列関数の総合的数値計算法の創成
- 2019 - 2024 Innovative Methods for Scientific Computing in the Exascale Era by Integrations of (Simulation+Data+Learning)
- 2020 - 2023 疎行列を係数とする線形方程式の反復解法と精度保証付き数値計算法の融合
- 2016 - 2019 Development of accurate algorithms for numerical linear algebra
- 2016 - 2018 Development of Technologies of High Performance Computing for Accuracy Assurance
- 2011 - 2015 Development of robust and efficient algorithms in numerical linear algebra
- 2007 - 2010 Research on fast and accurate verified numerical computations for large-scale systems of linear equations
- 2008 - 悪条件行列の高精度な分解に関する研究
- 2004 - 2006 大規模疎行列系連立一次方程式の数値解の高速な精度保証法に関する研究
- 2005 - 数値線形シミュレーションの精度保証に関する研究
- 2001 - 浮動小数点演算による内積計算の高速・高精度計算に関する研究
- 2000 - 線形問題に対する精度保証付き数値計算
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Papers (51)：
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Katsuhisa Ozaki, Daichi Mukunoki, Takeshi Ogita. Extension of accurate numerical algorithms for matrix multiplication based on error-free transformation. Japan Journal of Industrial and Applied Mathematics. 2024
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Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Toshiyuki Imamura. Infinite-Precision Inner Product and Sparse Matrix-Vector Multiplication Using Ozaki Scheme with Dot2 on Manycore Processors. Parallel Processing and Applied Mathematics. 2023. 40-54
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Katsuhisa Ozaki, Takeshi Ogita. Generation of test matrices with specified eigenvalues using floating-point arithmetic. NUMERICAL ALGORITHMS. 2022. 90. 1. 241-262
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Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Toshiyuki Imamura. Accurate Matrix Multiplication on Binary128 Format Accelerated by Ozaki Scheme. ACM International Conference Proceeding Series. 2021
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Katsuhisa Ozaki, Takeshi Terao, Takeshi Ogita, Takahiro Katagiri. Verified Numerical Computations for Large-Scale Linear Systems. APPLICATIONS OF MATHEMATICS. 2021. 66. 2. 269-285
ｍore...
MISC (56)：
Books (1)：
-
マイクロ波シミュレータの基礎 (山下榮吉監修)
電子情報通信学会 2004
Education (2)：
- - 2003 Waseda University
- - 2001 Waseda University
Professional career (1)：
Work history (8)：
- 2023/04 - 現在 Waseda University Department of Applied Mathematics, Faculty of Science and Engineering Professor
- 2018/04 - 2023/03 Tokyo Woman's Christian University Division of Mathematical Sciences, School of Arts and Sciences
- 2010/04 - Tokyo Woman's Christian University School of Arts and Sciences, Division of Mathematical Sciences
- 2009/04 - Tokyo Woman's Christian University School of Arts and Sciences, Division of Mathematical Sciences
- 2008/04 - Tokyo Woman's Christian University Department of Mathematics, College of Arts and Sciences
- 2005/02 - 科学技術振興機構 CREST研究員
- 2003/04 - Waseda University Graduate School of Science and Engineering
- 2001/04 - Waseda University School of Education
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Committee career (5)：
- 2010 - -: 日本応用数理学会 評議員
- 2008 - -: JSIAM Letters, Associate Editor
- 2008 - -: 日本応用数理学会 学会誌編集委員
- 2005 - 2007 : 電子情報通信学会 基礎・境界ソサイエティ運営委員会 事業担当幹事(役員)
- 日本応用数理学会 正会員
Awards (2)：
- 2006 - 日本応用数理学会論文賞
- 2003 - 小野梓記念学術賞
Association Membership(s) (1)：
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