Rchr
J-GLOBAL ID：200901036063863435
Update date: Nov. 01, 2024
Ozaki Katsuhisa
オザキ カツヒサ | Ozaki Katsuhisa
Affiliation and department：
Research field (3)：
Applied mathematics and statistics
, Other
, High-performance computing
Research keywords (2)：
精度保証付き数値計算
, Self-Validating Method
Research theme for competitive and other funds (7)：
- 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
- 2013 - 2017 Practical stabilization of switched systems with quantization errors
- 2013 - 2017 誤差解析の意味で高精度な数値線形計算の基盤の創出
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Papers (46)：
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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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Takeshi Terao, Toshiyuki Imamura, Katsuhisa Ozaki. Iterative refinement for an eigenpair subset of a real symmetric matrix. JSIAM Letters. 2024. 16. 89-92
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Hiroyuki Ootomo, Katsuhisa Ozaki, Rio Yokota. DGEMM on integer matrix multiplication unit. The International Journal of High Performance Computing Applications. 2024. 38. 4. 297-313
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Kensuke Aihara, Katsuhisa Ozaki, Daichi Mukunoki. Mixed-precision conjugate gradient algorithm using the groupwise update strategy. Japan Journal of Industrial and Applied Mathematics. 2024
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Ozaki Katsuhisa, Liu Xuefeng. Rigorous domain triangulation for the finite element computation. JSIAM Letters. 2024. 16. 69-72
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MISC (24)：
Books (4)：
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ソフトウェア自動チューニング:科学技術計算のためのコード最適化技術
森北出版 2021 ISBN:4627872216
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精度保証付き数値計算の基礎
コロナ社 2018 ISBN:9784339028874
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Javaで始める楽しいコンピュータ・グラフィックス : 球面法によるレイトレーシング
シーエーピー出版 2012 ISBN:9784904341025
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Javaではじめるレイトレーシング入門 : 基礎から結び目と帯の描画まで
森北出版 2005 ISBN:4627845413
Lectures and oral presentations (324)：
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Accurate Matrix Multiplication based on GEMM: Basics and FP64 Emulation using Tensor Cores
(PSG Reading Group Special Virtual Seminar, Oak Ridge National Laboratory 2024)
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A Note on Preconditioner for Ill-conditioned Tall and Skinny Matrices
(The 43rd JSST Annual International Conference on Simulation Technology 2024)
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Accuracy of Low-precision Standard Functions Monitored by Verified Numerical Computations
(The 43rd JSST Annual International Conference on Simulation Technology 2024)
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PSTV: An Incremental Validator for 2D Delaunay Triangulation
(The 43rd JSST Annual International Conference on Simulation Technology 2024)
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Application of Unnormalized Pseudo-High Precision Computations to LU and Cholesky Decomposition
(The 43rd JSST Annual International Conference on Simulation Technology 2024)
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Professional career (1)：
Committee career (6)：
Awards (2)：
- 2024/06 - 日本応用数理学会 2023年度研究部会連合発表会優秀講演賞 正規化されていない疑似高精度計算の設計と精度維持のための手法について
- 2012/08 - 日本応用数理学会 ベストオーサー賞
Association Membership(s) (4)：
INFORMATION PROCESSING SOCIETY OF JAPAN
, JAPAN SOCIETY FOR SIMULATION TECHNOLOGY
, 日本応用数理学会
, The Japan Society for Industrial and Applied Mathematics
