Rchr

J-GLOBAL ID：200901066082433650 Update date: Feb. 01, 2024

Sakajo Takashi

サカジョウタカシ | Sakajo Takashi

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

Kyoto University Research Institute for Mathematical Sciences Liaison Center in Mathematics Project professor

Homepage URL (2)： http://www.math.kyoto-u.ac.jp/~sakajo/index-j.html , http://www.math.kyoto-u.ac.jp/~sakajo/index.html

Research field (2)： Applied mathematics and statistics , Basic mathematics

Research keywords (5)： Nonlinear Analysis , Mathematical Fluid Dynamics , Topological Fluid Mechanics , Numerical Analysis , Interdisciplinary Mathematical Studies

Research theme for competitive and other funds (29)：

2023 - 2028 Singularity analysis of complex functions for describing complex phenomena
2022 - 2027 Four-Dimensional Topological Data Analysis for Future Medical Care
2019 - 2024 渦運動による流体方程式の特異性と乱流の統計性の解明
2018 - 2022 Comprehensive R&D Platform for Topological Data Analysis
2018 - 2022 Vortex dynamics on surfaces exploring new fluid phenomena brought by geometry

2015 - 2020 Mathematical study of micro pressure waves for developments in modern high-speed trains

2016 - 2019 Mathematical analysis of the characteristic properties of nano-machines in a blood vessel

2013 - 2018 Development and Application of Topological Computation Theory for Dynamical Systems

2013 - 2018 Study of the dynamics and anisotropy of flow structures in turbulence by large scale numerical analysis

2014 - 2018 Understanding of turbulent phenomena through dissipative weak solutions to fluid equations

2011 - 2016 Stochastic Processes and Statistical Phenomena behind Partial Differential Equaitons

2010 - 2016 Towards a Paradigm Shift Created by Mathematics of Vortex-Boundary Interactions

2013 - 2015 Construction of mathematical models for long-term forecast of atmospheric variation by climate time-series

2009 - 2012 Towards a mathematical theory of fluid turbulence via singular vortex dynamics

2010 - 2012 Breakthrough in numerical analysis and numerical computation related with infinitely-precision arithmetic

2007 - 2011 Dynamical Systems Theory for Hydrospheric Environments

2007 - 2009 Foundation of high accuracy computational methods on the multiple-precision computer environment and its applications to analysi of inverse problems

2006 - 2009 Mathematical studies on fluid motions under certain conditions

2007 - 2008 Application of Computational Homology to Fluid Phenomena

2005 - 2007 Development of Fast and Accurate Numerical Solver for Vortex Dynamics on a Rotating Sphere

2005 - 2007 A Study of Blow-up Problems and Singular Perturbation Problems arisingin Mathematical Fluid Mechanics

2005 - 2006 Development of Reaction-Diffusion Theory for Flows in Non-Uniform Media

2003 - 2005 Numerical and mathematical analysis to low-dimensional solutions in. mathematical fluid problems

2003 - 2005 CONSERVATION AND STABILITY OF DYNAMICAL SYSTEMS AND ITS NUMERICAL ANAKYSIS

2002 - 2004 Analysis of Singularities on Comples Time Domain for Vortex Sheet Problem

2002 - 2004 Applications of the dynamical systems theory and the singularity theory to mathematical fluid mechanics

2003 - 2003 反応拡散系理論と流体理論の融合により展開される新しい非線形問題の調査

1999 - 2000 Study of Singularity Formation in Three-Dimensional Vortes Sheets

1997 - 1997 渦法を用いた流れの特異点の研究

Show all

Papers (85)：

Yuta Tsuji, Takashi Sakajo. Statistical laws of a one-dimensional model of turbulent flows subject to an external random force. Nonlinearity. 2023. 36. 8. 4283-4302
Vikas S. Krishnamurthy, Takashi Sakajo. The vortex problem in a doubly periodic rectangular domain with constant background vorticity. Physica D: Nonlinear Phenomena. 2023. 448. 133728-133728
Takashi Sakajo. Singular solutions of nonlinear hydrodynamic equations arising in turbulence theory. Sugaku Expositions. 2023. 36. 1. 93-117
Takashi Sakajo, Tomoo Yokoyama. Discrete representations of orbit structures of flows for topological data analysis. Discrete Mathematics, Algorithms and Applications. 2022
Takashi Sakajo, Shun Ohishi, Tomoki Uda. Identification of Kuroshio meanderings south of Japan via a topological data analysis for sea surface height. Journal of Oceanography. 2022. 78. 6. 495-513

ｍore...

MISC (16)：

坂上貴之. トポロジカルフローデータ解析 ~ 「ながれのかたち」から流れ現象の理解へ ~. 数理科学2023年6月号. 2023
Takashi Sakajo. Fourier series capturing singular phenomena in fluid dynamics. Nagare : journal of Japan Society of Fluid Mechanics. 2022. 41. 5. 312-317
横山知郎, 坂上貴之, 数本優. トポロジカルフローデータ解析(TFDA)の社会的課題への適用. 応用数理. 2022. 32. 1
坂上貴之. 「先端計測データのトポロジカルフローデータ解析」(特集:先端計測技術開発の展望). 化学工業2020年7月号. 2020. 71. 7. 407-413
坂上貴之. 流れの「かたち」解析による装置開発. 油空圧技術2020年4月号. 2020. 59. 4. 41-45

ｍore...

Patents (11)：

流れパターンの語表現装置、語表現方法およびプログラム
有限型の流れパターンの語表現装置、語表現方法、プログラム、構造物形状の学習方法および構造物設計方法
REGULAR EXPRESSION CREATION METHOD AND REGULAR EXPRESSION CREATION DEVICE OF FLOW PATTERN, AND COMPUTER-EXECUTABLE PROGRAM
FLUID TRANSITION ROUTE ACQUISITION APPARATUS, FLUID TRANSITION ROUTE ACQUISITION METHOD, AND PROGRAM
流れパターンの正規表現作成方法、正規表現作成装置、および、コンピュータが実行可能なプログラム

ｍore...

Books (2)：

渦運動の数理的諸相
共立出版 2013 ISBN:432011051X
越境する数学「渦の数学が織りなす世界」
岩波出版 2013

Lectures and oral presentations (124)：

Equilibrium states of vortex points and vortex sheets
(Complex analysis: techniques, applications and computations - perspevtives in 2023 (CAT04) 2023)
One-dimensional hydrodynamic PDE model of turbulent flow with the enstrophy cascade
(ANR Project Quantum Turbulence Exploration by High Performance Computating 2023)
流線トポロジカルデータ解析による心臓内血流の渦構造の抽出
(北海道大学 HMMCセミナー 2023)
JST 未来社会創造事業「未来医療を創出する 4 次元トポロジカルデータ解析数理共通基盤」の紹介
(RIKEN iTHEMS のアウトリーチについての研究会 2023 2023)
Vortex crystals on the surface of a curved torus
(SIAM DS23 OS:Vortex Dynamics Meets Dynamical Systems: Theory, Application and Computation 2023)

ｍore...

Education (4)：

1999 - 1999 Kyoto University Graduate School of Science Division of Mathematics, Ph.D
1996 - 1998 Kyoto University Graduate School of Science Division of Mathematics, Ph.D course student
1994 - 1996 Kyoto University Graduate School of Science Division of Mathematics, Master course student
1990 - 1994 Kyoto University Faculty of Science Faculty of Science

Professional career (2)：

Doctor of Science (Kyoto University)
Master of Science (Kyoto University)

Work history (14)：

2013/04 - 現在 Kyoto University Graduate School of Science, Division of Mathematics Professor
2020/05 - 2025/03 RIKEN RIKEN Advanced Institute for Computational Science Senior Visiting Researcher
2019/11 - 2025/03 RIKEN iTHEMS Visiting Senior Researcher
2019/04 - 2025/03 Japan Science and Technology Agency PREST0 Program Officer
2019/09 - 2019/12 Isaac Newton Institute Simons Fellow for INI programme

Show all

Committee career (11)：

2022/07 - 現在 Japan Science and Technology Moonshot R&D, Member of Mathematical Science Sub-Committee
2022/04 - 現在 International Union of Theoretical and Applied Mechanics Member of General Assembly
2021/12 - 現在 Japan Science and Techology JST Moonshot R&D Goal 8, sub program director
2021/07 - 現在日本学術会議物理学委員会物性物理学・一般物理学分科会プラズマサイエンス小委員会委員
2021/04 - 2028/03 Japan Science and Technology Advisor (PRESTO)

Show all

Awards (4)：

2020/09 - JSIAM JSIAM Paper Awards 2020
2019/12 - MIMS Mimura Award Meiji Institute for Advanced Study of Mathematical Sciences
2000 - 日本数学会建部賢弘賞奨励賞
2000 - 日本応用数理学会 JJIAM論文賞

Association Membership(s) (4)：

アメリカ物理学会 , 日本応用数理学会 , 日本数学会 , 日本流体力学会

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

Return to Previous Page