SAKAJO TAKASHI 坂上貴之

… Alternative Names

Researcher Number	10303603
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Affiliation (Current)	2022: 京都大学, 理学研究科, 教授
Affiliation (based on the past Project Information) *help	2016 – 2021: 京都大学, 理学研究科, 教授 2017: 京都大学, 大学院理学研究科, 教授 2012 – 2016: 京都大学, 理学(系)研究科(研究院), 教授 2015: 京都大学, 大学院理学研究科, 教授 2011 – 2012: 北海道大学, 理学(系)研究科(研究院), 教授 … More
Review Section/Research Field	Principal Investigator General mathematics (including Probability theory/Statistical mathematics) / General mathematics (including Probability theory/Statistical mathematics) / Foundations of mathematics/Applied mathematics / Mathematical Sciences in Search of New Cooperation / Basic Section 12040:Applied mathematics and statistics-related Except Principal Investigator General mathematics (including Probability theory/Statistical mathematics) / Foundations of mathematics/Applied mathematics / Basic analysis / General mathematics (including Probability theory/Statistical mathematics) / Mathematical Sciences in Search of New Cooperation / Medium-sized Section 12:Analysis, applied mathematics, and related fields
Keywords	Principal Investigator 渦層 / 力学系理論 / 流体力学 / 応用数学 / 特異点 / 渦法 / 渦糸系 / 反応拡散系 / 渦運動 / 地球流体 … More Except Principal Investigator 数値解析 / point vortex / 渦運動 / 応用数学 / 乱流 / 力学系 / Navier-Stokes equations / 緩和振動 / 不安定性 / 弱非線形安定性 / フラックス・フリー有限要素法 / 多倍長数値計算 / 非適切問題解析 / 数値計算 / オイラー方程式 / vortex dynamics / blow-up / double exponential transform / fluid mechanics / singular perturbation / 流体方程式の特異性 / 流体方程式の解の特異性 / 流体 / 数学解析 / 多孔質媒体流 / 自由境界問題 / 流体問題 / 渦挙動 / 渦形成 / ハミルトン系 / 衝突解 / 曲率不安定性 / 移動境界 / 移動境界問題、自由境界問題 / 渦点 / 渦層、渦輪、渦領域 / 2流体問題 / 滑輪の曲率不安定性 / 渦輪の曲率不安定性 / メルニコフ解析 / 渦輪 / 渦構造の不安定性 / 地球流体 / 進行波解 / 有限要素法 / 応用解析学 / 逆問題解析 / 高精度シミュレーション / 逆Laplace変換 / 数学一般 / 数値数学 / 数理モデル / 応用解析 / 数値計算法 / exflib / GPGPU / 輸送方程式 / Tricomi方程式 / 非線形偏微分方程式 / 確率微分方程式 / 非圧縮性オイラー方程式 / 散逸的弱解 / 非線形シュレーディンガー方程式 / 爆発解 / 重対数法則 / 超流動 / 非線形光学 / シュレーディンガー方程式 / 確率解析 / ナビエ・ストークス方程式 / 特異点 / 渦層 / 粒子の軌跡 / 反応拡散系 / パルス解 / Euler equations / dynamical systems / singularity / vortex sheet / trajectories of fluid particles / reaction-diffusion system / pulse solutions / 計算科学 / 安定性 / 保存系 / 離散変数法 / 非線形方程式 / 固有値解析 / 非線型方程式 / Computational science / Numerical analysis / Dynamical systems / Stability / Conservative system / Discrete variable methods / Nonlinear equations / Eigenvalue analysis / 渦糸、渦点 / 渦輪、渦管 / 1、2流体問題 / 位相カオス / フラックスフリー有限要素法 / 渦糸の緩和振動 / 球面上の渦糸 / 渦輪の非線形不安定性 / らせん渦 / 理想MHDの数値解析法 / 移動・自由境界問題 / ベクトル化 / 渦輪の局所安定性解析 / 質量保存型有限要素法 / 数値的検証法 / アダプティブメッシュ / 正射影付有限要素方程式 / vortex ring, vortex tube / one- or two-phase fluid problems / relaxation oscillation / instability / weakly nonlinear stability / topological chaos / flux-free finite element method / Navier-Stokes方程式 / 渦糸 / 水面波 / 分岐理論 / 高速フーリエ変換 / 数値積分 / 差分法 / Proudman-Johnson方程式 / 2次元Stokes流 / 数理モデリング / 複素解析 / 数値シミュレーション / 埋め込み境界法 / ナノマシン / 表面修飾 / リポソームの形成 / アミロイドへの標的性 / Stokes方程式 / ドラッグデリバリー / 大規模数値計算 / 非等方乱流 / 流体の異方性 / 非等方性乱流 / 乱流の異方性 / トポロジー / 計算機援用解析 / 時系列 / 気象学 / 位相計算 / 生命科学 / ネットワーク / 量子乱流 / 流体方程式の正則化 / 完全流体方程式の正則化 / 渦リコネクション / オイラー方程式の正則化 Less

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
- Principal Investigator
  
  木村芳文
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 12:Analysis, applied mathematics, and related fields
- Research Institution
  Nagoya University
Vortex dynamics on surfaces exploring new fluid phenomena brought by geometryPrincipal Investigator
- Principal Investigator
  
  坂上貴之
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 12040:Applied mathematics and statistics-related
- Research Institution
  Kyoto University
Mathematical analysis of the characteristic properties of nano-machines in a blood vessel
- Principal Investigator
  
  Obuse Kiori
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical Sciences in Search of New Cooperation
- Research Institution
  Okayama University
Mathematical study of micro pressure waves for developments in modern high-speed trainsPrincipal Investigator
- Principal Investigator
  
  Sakajo Takashi
- Project Period (FY)
  2015 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Mathematical Sciences in Search of New Cooperation
- Research Institution
  Kyoto University
Understanding of turbulent phenomena through dissipative weak solutions to fluid equationsPrincipal Investigator
- Principal Investigator
  
  Sakajo Takashi
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Kyoto University
Construction of mathematical models for long-term forecast of atmospheric variation by climate time-seriesPrincipal Investigator
- Principal Investigator
  
  SAKAJO Takashi
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Kyoto University
Study of the dynamics and anisotropy of flow structures in turbulence by large scale numerical analysis
- Principal Investigator
  
  Kimura Yoshifumi
- Project Period (FY)
  2013 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Nagoya University
Development and Application of Topological Computation Theory for Dynamical Systems
- Principal Investigator
  
  Kokubu Hiroshi
- Project Period (FY)
  2013 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Kyoto University
Stochastic Processes and Statistical Phenomena behind Partial Differential Equaitons
- Principal Investigator
  
  NAWA Hayato
- Project Period (FY)
  2011 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Basic analysis
- Research Institution
  Meiji University
  Osaka University
Breakthrough in numerical analysis and numerical computation related with infinitely-precision arithmetic
- Principal Investigator
  
  ISO Yuusuke
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kyoto University
Towards a mathematical theory of fluid turbulence via singular vortex dynamicsPrincipal Investigator
- Principal Investigator
  
  SAKAJO Takashi
- Project Period (FY)
  2009 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Hokkaido University
Foundation of high accuracy computational methods on the multiple-precision computer environment and its applications to analysi of inverse problems
- Principal Investigator
  
  ISO Yuusuke
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kyoto University
計算ホモロジーによる流れ場構造解析法の開発とその乱流現象への応用Principal Investigator
- Principal Investigator
  
  坂上貴之
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Hokkaido University
Mathematical studies on fluid motions under certain conditions
- Principal Investigator
  
  NAKAKI Tatsuyuki
- Project Period (FY)
  2006 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Hiroshima University
非均一流れ場中の反応拡散系理論の構築Principal Investigator
- Principal Investigator
  
  坂上貴之
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Hokkaido University
回転球面上渦運動の新しい高速・高精度数値計算法の開発とその数理解析Principal Investigator
- Principal Investigator
  
  坂上貴之
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Hokkaido University
A Study of Blow-up Problems and Singular Perturbation Problems arisingin Mathematical Fluid Mechanics
- Principal Investigator
  
  OKAMOTO Hisashi
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kyoto University
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Principal Investigator
- Principal Investigator
  
  坂上貴之
- Project Period (FY)
  2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Hokkaido University
CONSERVATION AND STABILITY OF DYNAMICAL SYSTEMS AND ITS NUMERICAL ANAKYSIS
- Principal Investigator
  
  MITUI Taketomo
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  NAGOYA UNIVERSITY
Numerical and mathematical analysis to low-dimensional solutions in. mathematical fluid problems
- Principal Investigator
  
  NAKAKI Tatuyuki
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  HIROSHIMA UNIVERSITY
  Kyushu University
複素時間特異点解析による渦層の渦巻解の存在と一意性の理論的・数値的研究Principal Investigator
- Principal Investigator
  
  坂上貴之
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Hokkaido University
  Nagoya University
Applications of the dynamical systems theory and the singularity theory to mathematical fluid mechanics
- Principal Investigator
  
  OKAMOTO Hisashi
- Project Period (FY)
  2002 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Kyoto University
3次元渦運動に現れる特異点の研究Principal Investigator
- Principal Investigator
  
  坂上貴之
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Nagoya University

[Journal Article] Rotating equilibria of vortex sheets2020
- Author(s)
  Protas Bartosz、Sakajo Takashi
- Journal Title
  
  Physica D: Nonlinear Phenomena
  
  Volume: 403 Pages: 132286-132286
- DOI
  10.1016/j.physd.2019.132286
- NAID
  120006878491
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01136
[Journal Article] Vortex crystals on the surface of a torus2019
- Author(s)
  Sakajo Takashi
- Journal Title
  
  Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
  
  Volume: 377 Pages: 2158-2158
- DOI
  10.1098/rsta.2018.0344
- NAID
  120006734880
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01136
[Journal Article] Exact solution to a Liouville equation with Stuart vortex distribution on the surface of a torus2019
- Author(s)
  Sakajo Takashi
- Journal Title
  
  Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
  
  Volume: 475 Pages: 1-16
- DOI
  10.1098/rspa.2018.0666
- NAID
  120006630979
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01136
[Journal Article] 乱流の数理をめぐる流体方程式の特異解2019
- Author(s)
  坂上貴之
- Journal Title
  
  数学
  
  Volume: 71
- NAID
  130008029694
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01136
[Journal Article] Toroidal Geometry Stabilizing a Latitudinal Ring of Point Vortices on a Torus2018
- Author(s)
  Sakajo Takashi，Shimizu Yuuki
- Journal Title
  
  Journal of Nonlinear Science
  
  Volume: 印刷中
- DOI
  10.1007/s00332-017-9440-z
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26287023
[Journal Article] Universality of the Anomalous Enstrophy Dissipation at the Collapse of Three Point Vortices on Euler--Poincar? Models2018
- Author(s)
  Gotoda Takeshi、Sakajo Takashi
- Journal Title
  
  SIAM Journal on Applied Mathematics
  
  Volume: 78 Pages: 2105-2128
- DOI
  10.1137/17m1127855
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01136
[Journal Article] Harnessing the Kelvin?Helmholtz instability: feedback stabilization of an inviscid vortex sheet2018
- Author(s)
  Protas Bartosz、Sakajo Takashi
- Journal Title
  
  Journal of Fluid Mechanics
  
  Volume: 852 Pages: 146-177
- DOI
  10.1017/jfm.2018.523
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KT0014, KAKENHI-PROJECT-18H01136
[Journal Article] Tree representations of streamline topologies of structurally stable 2D incompressible flows2018
- Author(s)
  Sakajo Takashi，Yokoyama Tomoo
- Journal Title
  
  IMA Journal of Applied Mathematics
  
  Volume: 印刷中
- DOI
  10.1093/imamat/hxy005
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15KT0014
[Journal Article] Stability of batotropic vortex strip on a rotating sphere2018
- Author(s)
  Sohn Sung-Ik, Sakajo Takashi and Kim Sun-Chul
- Journal Title
  
  Proc. Roy. Soc. A
  
  Volume: 474
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Journal Article] Linear feedback stabilization of point vortex equilibria near a Kasper Wing2017
- Author(s)
  Nelson Rhodri, Protas Bartosz, Sakajo Takashi
- Journal Title
  
  J. Fluid Mech.
  
  Volume: 827
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KT0014
[Journal Article] Point vortex interactions on a toroidal surface2016
- Author(s)
  T. Gotoda and T. Sakajo
- Journal Title
  
  Proceedings of Royal Society A
  
  Volume: 26
- DOI
  10.1007/s00332-016-9312-y
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26287023
[Journal Article] Enstrophy variations in the incompressible 2D Euler flows and alpha point vortices2016
- Author(s)
  T. Gotoda and T. Sakajo
- Journal Title
  
  Mathematical Fluid Dynamics, Present and Future, Springer Proceedings in Mathematics and Statistics
  
  Volume: 183
- DOI
  10.1007/978-4-431-56457-7_14
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26287023
[Journal Article] One-dimensional hydrodynamic model generating turbulent cascade2016
- Author(s)
  T. Matsumoto and T. Sakajo
- Journal Title
  
  Phys. Rev. E
  
  Volume: 93
- DOI
  10.1103/physreve.93.053101
- NAID
  120005822758
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26287023
[Journal Article] Steady-States and Traveling wave solutions of the generalized Constantin-Lax-Majda equation2014
- Author(s)
  Hisashi Okamoto, T. Sakajo, M. Wunsch
- Journal Title
  
  Discrete and Continuus Dynamical Systems
  
  Volume: 34 Pages: 3155-3170
- DOI
  10.3934/dcds.2014.34.3155
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24244007, KAKENHI-PROJECT-25247014
[Journal Article] 乱流場の統計力学: ひとつの試論2014
- Author(s)
  松本剛, 名和範人, 坂上貴之
- Journal Title
  
  ながれ
  
  Volume: 33 Pages: 83-100
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23340030
[Journal Article] 二次元Euler-α方程式の弱解の特異極限解とその性質2013
- Author(s)
  坂上貴之
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1823 Pages: 54-71
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] 二次元 Euler-α 方程式の弱解の特異極限解とその性質2013
- Author(s)
  坂上貴之 (Takashi Sakajo)
- Journal Title
  
  数理解析研究所講究録１８２３　(RIMS Kokyuroku 1823)
  
  Volume: 1823
- Data Source
  KAKENHI-PROJECT-23340030
[Journal Article] 二次元Euler-α方程式の弱解の特異極限解とその性質2013
- Author(s)
  坂上貴之
- Journal Title
  
  京都大学数理解析研究所講究録
  
  Volume: 1823巻 Pages: 54-71
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] Anomalous enstrophy dissipation via the self-similar triple collapse of the Euler-alpha point vortices2013
- Author(s)
  T. Sakajo
- Journal Title
  
  Nankai Series in Applied Mathematics and Theoretical Physics
  
  Volume: vol.10 Pages: 155-169
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] Anomalous enstrophy dissipation via the self-similar triple collapse of the Euler-alpha point vortices2013
- Author(s)
  T. Sakajo
- Journal Title
  
  Nankai Series in Pure, Applied Mathematics and Theoretical Physics
  
  Volume: 10 Pages: 155-169
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] Instantaneous energy and enstrophy variations in Euler-alpha point vortices via triple collapse2012
- Author(s)
  T. Sakajo
- Journal Title
  
  Journal of Fluid Mechanics
  
  Volume: vol.702 Pages: 188-214
- DOI
  10.1017/jfm.2012.172
- NAID
  120005300018
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] Oscillatory damping in long-time evolution of the surface quasi-geostrophic equations with generalised viscosity : a numerical study2010
- Author(s)
  K.Ohkitani, T.Sakajo
- Journal Title
  
  Nonlineartiy
  
  Volume: 23 Pages: 3029-3051
- NAID
  120006459653
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] From generation to chaotic motion of a ring configuration of vortex structures on a sphere2009
- Author(s)
  T.Sakajo
- Journal Title
  
  Theoretical and Computational Fluid Dynamics
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] From generation to chaotic motion of a ring configuration of vortex structures on a sphere2009
- Author(s)
  T. Sakajo
- Journal Title
  
  Theoretical and Computational Fluid Dynamics
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] From generation to chaotic motion of a ring configuration of vortex structures on a sphere2009
- Author(s)
  T.Sakajo
- Journal Title
  
  Theoretical and Computational Fluid Dynamics 24
  
  Pages: 151-156
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] 球面点渦相互作用の高速tree-codeアルゴリズム2009
- Author(s)
  坂上貴之
- Journal Title
  
  京都大学数理解析研究所講究録オイラー方程式の数理:渦運動150年 1642
  
  Pages: 184-196
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] 球面点渦相互作用の高速Tree-codeアルゴリズム2009
- Author(s)
  坂上貴之
- Journal Title
  
  京都大学数理解析研究所講究録「オイラー方程式の数理:渦運動150年」
  
  Volume: 1642巻 Pages: 184-196
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] From generation to chaotic motion of a ring configuration of vortex structure on a sphere2009
- Author(s)
  T. Sakajo
- Journal Title
  
  Theor. Comput. Fluid Dyn.
  
  Volume: vol,24 Pages: 151-156
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21340017
[Journal Article] Equation of motion for point vortices in multiply connected circular domains2009
- Author(s)
  T.Sakajo
- Journal Title
  
  Proc.Roy.Soc.A 465
  
  Pages: 2589-2611
- NAID
  120002277516
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] Chaotic motion in the N-vortex problem on a sphere : II. Saddle-centers in three-degree-of-freedom Hamiltonians2008
- Author(s)
  T. Sakajo and K Yagasaki
- Journal Title
  
  Physica D 237
- NAID
  120000947330
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654014
[Journal Article] Chaotic motion in the N-vortex problem on a sphere : II. Saddle-centers in three-degree-of-freedom Hamiltonians2008
- Author(s)
  T. Sakajo
- Journal Title
  
  Physica D 237
  
  Pages: 2078-2083
- NAID
  120000947330
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] An extension of Draghicescu's fast tree-code algorithm to the vortexmethod on a sphere2008
- Author(s)
  T. Sakajo
- Journal Title
  
  Journal of Computational and Applied Mathematics 225
  
  Pages: 158-171
- NAID
  120000947327
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] On a generalization of the Constantin-Lax-Majda equation2008
- Author(s)
  H. Okamoto, T. Sakajo and M. Wunsch
- Journal Title
  
  Nonlinearity 78
  
  Pages: 2447-2461
- NAID
  120000947322
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654014
[Journal Article] Chaotic motion in the N-vortex problem on a sphere: I. Saddle-centers in two-degree-of-freedom Hamiltonians2008
- Author(s)
  T. Sakajo and K. Yagasaki
- Journal Title
  
  J. Nonlinear Science doi:10.1007/s00332-008-9019-9
  
  Pages: 1-41
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] Non self-similar, partial and robust collapse of four point vortices onsphere2008
- Author(s)
  T. Sakajo
- Journal Title
  
  Physical Review E 78
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] Chaotic motion in the N-vortex problem on a sphere : I. Saddle-centers in two-degree-of-freedom Hamiltonians2008
- Author(s)
  T. Sakajo and K. Yagasaki
- Journal Title
  
  J. Nonlinear Science 18
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654014
[Journal Article] The N-vortex problem on a rotating sphere: III. Ring configurations coupled to a background field2007
- Author(s)
  P. K. Newton and T. Sakajo
- Journal Title
  
  Proc. Roy. Soc. A 463
  
  Pages: 961-977
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] Integrable four-vortex motion on sphere with zero moment of vorticity2007
- Author(s)
  T.Sakajo
- Journal Title
  
  Physics of Fluids 19
  
  Pages: 17109-17109
- NAID
  120000968619
- Data Source
  KAKENHI-PROJECT-17654018
[Journal Article] Integrable four-vortex motion on sphere with zero moment of vorticity2007
- Author(s)
  T.Sakajo
- Journal Title
  
  Physics of Fluid 19
  
  Pages: 17109-17110
- NAID
  120000968619
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] Structure of invariant dynamical systems embedded in the N-vortex motion on sphere with pole vortices2007
- Author(s)
  坂上貴之
- Journal Title
  
  京都大学数理解析研究所講究録 1536
  
  Pages: 109-121
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654014
[Journal Article] The N-vortex problem on a rotating sphere. III.2007
- Author(s)
  P.K.Newton, T.Sakajo
- Journal Title
  
  Proc. R. Soc. A 463
  
  Pages: 961-977
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] The N-vortex problem on a rotating sphere: III. Ring configurations coupled to a background field2007
- Author(s)
  P. K. Newton and T. Sakajo
- Journal Title
  
  Proc. Royal Society A 463
  
  Pages: 961-977
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] Erratum : Invariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices2007
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D 225
  
  Pages: 235-236
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] Erratum: Invariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices2007
- Author(s)
  T. Sakajo
- Journal Title
  
  Physica D 225
  
  Pages: 235-236
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] Integrable four-vortex motion on sphere with zero moment of vorticity2007
- Author(s)
  T. Sakajo
- Journal Title
  
  Physics of Fluids 19
  
  Pages: 17-109
- NAID
  120000968619
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] Integrable four-vortex motion on sphere with zero moment of vorticity2007
- Author(s)
  T. Sakajo
- Journal Title
  
  Physics of Fluids, vol.19
  
  Pages: 17109-17109
- NAID
  120000968619
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19654014
[Journal Article] Invariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices2006
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D 217
  
  Pages: 142-152
- NAID
  120000957534
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] lnvariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices2006
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D 217
  
  Pages: 142-152
- Data Source
  KAKENHI-PROJECT-18340030
[Journal Article] Invariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices2006
- Author(s)
  T., Sakajo
- Journal Title
  
  Physica D 217
  
  Pages: 142-152
- NAID
  120000957534
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] Invariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices2006
- Author(s)
  T. Sakajo
- Journal Title
  
  Physica D. 217
  
  Pages: 142-152
- NAID
  120000957534
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] 球面上にあるN点渦糸環の縮約系について2006
- Author(s)
  坂上貴之
- Journal Title
  
  京都大学数理解析研究所講究録 1485
  
  Pages: 86-98
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] High-dimensional heteroclinic and homoclinic connections in odd point-vortex system on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity 19
  
  Pages: 75-93
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] High-dimensional heteroclinic and homoclinic connections in odd point-vortex system on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity 19
  
  Pages: 75-93
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340034
[Journal Article] High-dimensional heteroclinic, and homoclinic connections in odd point-vortex system on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity 19
  
  Pages: 75-93
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340034
[Journal Article] High-dimensional heteroclinic and homoclinic connections in odd point-vortex system on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity. 19
  
  Pages: 75-93
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Efficient topological chaos embedded in the blinking vortex system2005
- Author(s)
  E. Kin and T. Sakajo
- Journal Title
  
  Chaos 15
  
  Pages: 23-111
- NAID
  120006459380
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] Equation of motion of vortex sheet on sphere with a rotating effect and its long time evolution2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Proceedings of 7th China Japan Conference of Computational Mathematics in press
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] Efficient topological chaos embedded in the blinking vortex system2005
- Author(s)
  E.Kin, T.Sakajo
- Journal Title
  
  Chaos. 15
  
  Pages: 23111-23111
- NAID
  120006459380
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Motion of unstable polygonal ring of vortex points on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Proceedings of IUTAM Kyoto. 2004
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Motion of unstable polygonal ring of vortex points on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Proceedings of IUTAM Kyoto 2004
  
  Pages: 295-302
- Data Source
  KAKENHI-PROJECT-17684002
[Journal Article] Invariant dynamical systems embedded in the N-vortex problem on a sphere with pole vortices2005
- Author(s)
  E., Kin, T., Sakajo
- Journal Title
  
  Chaos 15
  
  Pages: 23-111
- NAID
  120000957534
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] High-dimensional heteroclinic and homoclinic connections in odd point-vortex system on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity 19
  
  Pages: 75-93
- Data Source
  KAKENHI-PROJECT-17204008
[Journal Article] High-dimensional heteroclinic and homoclinic connections in odd point-vortex system on sphere with pole vortices2005
- Author(s)
  Takashi Sakajo
- Journal Title
  
  Nonlinearity 19
  
  Pages: 75-93
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] High-dimensional heteroclinic and homoclinic connections in odd point-vortex system on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity 19
  
  Pages: 75-93
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Motion of unstable polygonal ring of vortex points on sphere with pole vortices2005
- Author(s)
  T.Sakajo
- Journal Title
  
  Proceedings of IUTAM Kyoto 2004
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Motion of a vortex sheet on a sphere with pole vortices2004
- Author(s)
  Takashi Sakajo
- Journal Title
  
  Physics of Fluids 16
  
  Pages: 717-727
- NAID
  120000954515
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Motion of a vortex sheet on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physics of Fluids 16
  
  Pages: 717-727
- NAID
  120000954515
- Data Source
  KAKENHI-PROJECT-14740069
[Journal Article] Transition of global dynamics of a polygonal vortex ring on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D 196
  
  Pages: 243-264
- NAID
  120000958318
- Data Source
  KAKENHI-PROJECT-15340034
[Journal Article] Analytic continuation of the Birkhoff-Rott equation in complex time domain2004
- Author(s)
  T.Sakajo
- Journal Title
  
  European J. Appl. Math 15
  
  Pages: 639-659
- NAID
  120000957213
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Analytic continuation of the Birkhoff-Rott equation in complex time domain2004
- Author(s)
  T.Sakajo
- Journal Title
  
  European J.Appl.Math. 15
  
  Pages: 639-659
- NAID
  120000957213
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Motion of a vortex sheet on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physics of Fluids 16
  
  Pages: 717-727
- NAID
  120000954515
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Motion of a vortex sheet on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physics of Fluids 16
  
  Pages: 717-727
- NAID
  120000954515
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-14204007
[Journal Article] 極渦のある球面での渦層の運動2004
- Author(s)
  坂上貴之
- Journal Title
  
  Miyazaki University of Technological Report Series In Applied Mathematical Sciences 3
  
  Pages: 69-80
- Data Source
  KAKENHI-PROJECT-14740069
[Journal Article] 球面渦運動の数理2004
- Author(s)
  坂上貴之
- Journal Title
  
  日本数学会秋季分科会応用数学分科会予稿集
  
  Pages: 74-93
- Data Source
  KAKENHI-PROJECT-14740069
[Journal Article] Transition of global dynamics of a polygonal vortex ring on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D 196
  
  Pages: 243-264
- NAID
  120000958318
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Transition of global dynamics of a polygonal vortex ring on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D 196
  
  Pages: 243-264
- NAID
  120000958318
- Data Source
  KAKENHI-PROJECT-14204007
[Journal Article] Transition of global dynamics of a polygonal vortex ring on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D. 196
  
  Pages: 243-264
- NAID
  120000958318
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Transition of global dynamics of a polygonal vortex ring on a sphere with pole vortices2004
- Author(s)
  T.Sakajo
- Journal Title
  
  Physica D 196
  
  Pages: 243-264
- NAID
  120000958318
- Data Source
  KAKENHI-PROJECT-14740069
[Journal Article] 渦層の時間発展と特異点〜それでも渦層は巻き上がる?〜2004
- Author(s)
  坂上貴之
- Journal Title
  
  物性研究 82
  
  Pages: 1-44
- NAID
  110006409302
- Data Source
  KAKENHI-PROJECT-14740069
[Journal Article] Analytic continuation of the Birkhoff-Rott equation in complex time domain2004
- Author(s)
  T.Sakajo
- Journal Title
  
  European J.Applied Mathematics 15
  
  Pages: 39-53
- NAID
  120000957213
- Data Source
  KAKENHI-PROJECT-14740069
[Journal Article] Blow-up solutions of Constantin-Lax-Majda equation with a generalized viscosity term2003
- Author(s)
  T.Sakajo
- Journal Title
  
  J. Math. Sci. Univ. Tokyo 10
  
  Pages: 187-207
- NAID
  110003948133
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] On global solutions of Constantin-Lax-Majda equation with a generalized viscosity term2003
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity 16
  
  Pages: 1319-1328
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Blow-up solutions of Constantin-Lax-Majda equation with a generalized viscosity term2003
- Author(s)
  T.Sakajo
- Journal Title
  
  J.Math.Sci.Univ.Tokyo. 10
  
  Pages: 187-207
- NAID
  110003948133
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] On global solutions of Constantin-Lax-Majda equation with a generalized viscosity term2003
- Author(s)
  T.Sakajo
- Journal Title
  
  Nonlinearity. 16
  
  Pages: 1319-1328
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340029
[Journal Article] Non self-similar, partial and robust collapse of four point vortices on sphere
- Author(s)
  T. Sakajo
- Journal Title
  
  Physical Review E 21
- NAID
  120000947328
- Data Source
  KAKENHI-PROJECT-19654014
[Presentation] ある渦層の相対定常解の族について2021
- Author(s)
  坂上貴之
- Organizer
  日本数学会年会2021
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] On "quantized" vortex crystals on closed surfaces2021
- Author(s)
  坂上貴之
- Organizer
  量子渦と非線形波動(OCAMIワークショップ)
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Vortex Dynamics on Sphere - a survey2020
- Author(s)
  Takashi Sakajo
- Organizer
  Workshop on "Mathematical Aspects of Geophysical Flows
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H00641
[Presentation] Vortex Dynamics on Sphere - a survey2020
- Author(s)
  Takashi Sakajo
- Organizer
  Workshop on "Mathematical Aspects of Geophysical Flows, Erwin Schrodinger Insitute
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] トーラス面上の定常渦2020
- Author(s)
  坂上貴之
- Organizer
  日本数学会2020年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Space-time topology behind formation of micro-macro magneto-vortical structure manifested by Nambu mechanics2020
- Author(s)
  Takashi Sakajo
- Organizer
  OCAMI, Osaka-City Univ. Osaka
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Mathematical models of cascading phenomena in turbulence2019
- Author(s)
  Takashi Sakajo
- Organizer
  Workshop on Scientific Computing Across Scales: Extreme Events and Criticality in Fluid Mechanics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] Linear feedback stabilization of point vortex equilibria near a Kasper Wing2019
- Author(s)
  Takashi Sakajo
- Organizer
  International Congress of Industrial and Applied Mathematics (ICIAM2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] Classification of Streamline Topologies for Hamiltonian vector fields and its applications to Topological Flow Data Analysis2019
- Author(s)
  Takashi Sakajoi
- Organizer
  SIAM Conference on Applied Algebraic Geometry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] Vortex Dynamics on the surface of a torus2019
- Author(s)
  Takashi Sakajo
- Organizer
  数理研研究集会 ``流体と気体の数学解析''
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] 非粘性渦層における Kelvin-Helmholtz 不安定のフィードバック制御2019
- Author(s)
  坂上貴之
- Organizer
  日本数学会年会２０１９
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] 非粘性渦層におけるKelvin-Helmholtz不安定のフィードバック制御2019
- Author(s)
  坂上貴之
- Organizer
  第65回理論応用力学講演会・第22回土木学会応用力学シンポジウム
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] 非粘性渦層におけるKelvin-Helmholtz不安定のフィードバック制御2019
- Author(s)
  坂上貴之
- Organizer
  第65回理論応用力学講演会・第22回土木学会応用力学シンポジウム
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] Vortex dynamics on the surface of a torus2019
- Author(s)
  Takashi Sakajo
- Organizer
  Applied Interdisciplinary Mathematics (AIM) Seminar
- Invited
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Vortex dynamics on the surface of a torus2019
- Author(s)
  Takashi Sakajo
- Organizer
  Complex analysis in mathematical physics and applications, Isaac Newton Institute
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Vortex dynamics on the surface of a torus2019
- Author(s)
  Takashi Sakajo
- Organizer
  Analysis Seminar, the University of Reading
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Mathematical models of cascading phenomena in turbulence2019
- Author(s)
  Takashi Sakajo
- Organizer
  Workshop on Scientific Computing Across Scales: Extreme Events and Criticality in Fluid Mechanics, The Fields Institute
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Linear feedback stabilization of point vortex equilibria near a Kasper Wing2019
- Author(s)
  Takashi Sakajo
- Organizer
  International Congress of Industrial and Applied Mathematics (ICIAM2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] Control of vortex dominated flows through vortex dynamics2018
- Author(s)
  Takashi Sakajo
- Organizer
  Taiwan-Japan Joint Workshop on Numerical Analysis and Scientific Computation
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] One-dimensional Hydrodynamic model for turbulence with cascade and sigular solutions2018
- Author(s)
  Takashi Sakajo
- Organizer
  The Univ of Mancheste
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] Kasper翼まわりの定常点渦の安定化を実現する線型フィードバック制御2018
- Author(s)
  坂上貴之
- Organizer
  日本数学会年会2018
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] Control of vortex dominated flows through vortex dynamics2018
- Author(s)
  Takashi Sakajo
- Organizer
  KIAS workshop, Mathematics of Fluid Motion II: Theory and Computation
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] 複翼まわりの定常点渦の安定化を実現する線型フィードバック制御2018
- Author(s)
  坂上貴之
- Organizer
  ODE-JP 2018
- Invited
- Data Source
  KAKENHI-PROJECT-18H01136
[Presentation] 非粘性保存量の乱流カスケードを実現する1次元流体方程式について2018
- Author(s)
  坂上貴之
- Organizer
  日本数学会年会2018応用数学分科会
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] One-dimensional Hydrodynamic PDE Model for Turbulence with Cascade and Singular Solutions2017
- Author(s)
  Sakajo Takashi
- Organizer
  The 14th International Conference on Flow Dynamics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Point vortex dynamics on a toroidal surface2017
- Author(s)
  Sakajo Takashi
- Organizer
  The 70th Annual Meeting of the American Physical Society Division of Fluid Dynamic
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Mathematical research on Micro-Pressure Waves2017
- Author(s)
  Sakajo Takashi
- Organizer
  Expert Exchange on Micro-Pressure Waves
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] One-dimensional hydrodynamic equation generating turbulent scaling laws and self-similar singular solutions2017
- Author(s)
  Sakajo Takashi
- Organizer
  The 70th Annual Meeting of the American Physical Society Division of Fluid Dynamic
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Universality of the anomalous enstrophy dissipation at the collapse of three point vortices on Euler-Poincare models2017
- Author(s)
  Gotoda Takeshi and Sakajo Takashi
- Organizer
  The 70th Annual Meeting of the American Physical Society Division of Fluid Dynamic
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Point vortex dynamics on a toroidal surface2017
- Author(s)
  T. Sakajo
- Organizer
  ANZIAM 2017 Annual Meeting
- Place of Presentation
  アデレード，オーストラリア
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] 渦の科学研究とその魅力・働き~なぜ科学者は渦に魅せられるのか~2017
- Author(s)
  坂上貴之
- Organizer
  鳴門海峡の渦潮世界自然遺産推進合同交流研修会
- Invited
- Data Source
  KAKENHI-PROJECT-15KT0014
[Presentation] Turbulence and topology: recent explorations in mathematical fluid mechanics2017
- Author(s)
  T. Sakajo
- Organizer
  QUT SMS Seminar
- Place of Presentation
  アデレード，オーストラリア
- Invited
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] エンストロフィーカスケードを示す1 次元流体方程式の乱流2017
- Author(s)
  松本剛、坂上貴之
- Organizer
  日本物理学会年会
- Place of Presentation
  大阪大学豊中キャンパス
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Words and Trees: Symbolic Classifications of Streamline Topologies for 2D Incompressible Vortex Flow2016
- Author(s)
  T. Sakajo
- Organizer
  The 11th AIMS Conference
- Place of Presentation
  オーランド，米国
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Mathematical models of anomalous enstrophy dissipation and enstrophy cascade in 2D turbulence2016
- Author(s)
  T. Sakajo
- Organizer
  Advanced Computing and Theoretical Fluid Mechanics
- Place of Presentation
  The Fields Institute, Canada
- Year and Date
  2016-01-25
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] 空間1次元偏微分方程式による乱流的カスケードのモデリングと力学系的階層構造2016
- Author(s)
  松本剛、坂上貴之
- Organizer
  Perspectives in Mathematical Sciences 2016
- Place of Presentation
  広島県廿日市市宮島コーラルホテル
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Dissipative vortex collapse and time's arrow2016
- Author(s)
  T. Sakajo
- Organizer
  The 11th East Asia SIAM Conference
- Place of Presentation
  マカオ，マカオ
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Hydrodynamic one dimensional model for enstrophy-cascade turbulence2016
- Author(s)
  T. Sakajo
- Organizer
  Naruto Workshop on Vortex Dynamics
- Place of Presentation
  Naruto, Japan
- Year and Date
  2016-01-17
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Towards a mathematical theory of turbulence: a survey and a model study2016
- Author(s)
  T. Sakajo
- Organizer
  Colloquium of Mathematics at McMaster Univ.
- Place of Presentation
  McMaster University, Canada
- Year and Date
  2016-02-12
- Invited
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Dissipative weak solutions and vortex dynamics: a survey and model study2016
- Author(s)
  T. Sakajo
- Organizer
  Applied Mathathematics Seminar
- Place of Presentation
  Stanford University, USA
- Year and Date
  2016-03-16
- Invited
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] オイラー方程式の散逸的弱解と点渦衝突による特異エンストロフィー散逸2015
- Author(s)
  坂上貴之
- Organizer
  東北大学応用数学セミナー
- Place of Presentation
  東北大学
- Year and Date
  2015-01-08
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] オイラー方程式の散逸的弱解と点渦衝突による特異エンストロフィー散逸2015
- Author(s)
  坂上貴之
- Organizer
  東北大学応用数学セミナー
- Place of Presentation
  東北大学
- Year and Date
  2015-01-08
- Invited
- Data Source
  KAKENHI-PROJECT-23340030
[Presentation] On the generalized non-viscous/viscous DeGregorio equation - singular solutions and statistical properties2015
- Author(s)
  T. Sakajo
- Organizer
  International Congress of Industrial and Applied Mathematics 2015
- Place of Presentation
  Beijing, China
- Year and Date
  2015-08-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Anomalous enstrophy dissipation and 2D vortex collapse2014
- Author(s)
  Takashi Sakajo
- Organizer
  The 6th Euro-Japanese Workshop on Blow-up
- Place of Presentation
  Tokyo Institute of Technology
- Year and Date
  2014-09-01
- Invited
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] On point vortex-alpha system and vortex collapse with enstrophy dissipation2014
- Author(s)
  Takashi Sakajo
- Organizer
  The 8th CREST-SBM International Conference: International Conference on Mathematical Fluid Dynamics, Present and Future
- Place of Presentation
  Waseda University
- Year and Date
  2014-11-13
- Invited
- Data Source
  KAKENHI-PROJECT-26287023
[Presentation] Enstrophy dissipation in Euler alpha point vortices via triple collapse2012
- Author(s)
  坂上貴之
- Organizer
  北海道大学北東解析研究集会
- Place of Presentation
  北海道大学
- Year and Date
  2012-02-17
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] Euler-α方程式の点渦衝突によるエンストロフィー散逸2012
- Author(s)
  坂上貴之
- Organizer
  京都大学数理解析研究所共同研究集会「流体と気体の数学解析」
- Place of Presentation
  京都大学数理解析研究所
- Year and Date
  2012-07-06
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] α点渦系の三体衝突によるエンストロフィー散逸2012
- Author(s)
  坂上貴之
- Organizer
  日本数学会年会
- Place of Presentation
  東京理科大学
- Year and Date
  2012-03-28
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] α点渦系の三体衝突によるエンストロフィー散逸2012
- Author(s)
  坂上貴之
- Organizer
  日本数学会年会
- Place of Presentation
  東京理科大学(東京都)
- Year and Date
  2012-03-28
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] Euler-α方程式の点渦衝突によるエンストロフィー散逸2012
- Author(s)
  坂上貴之
- Organizer
  京都大学数理解析研究所共同研究集会
- Place of Presentation
  京都大学数理解析研究所（京都市）
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] 二次元Euler-α流れの点渦衝突と特異エンストロフィー散逸2012
- Author(s)
  坂上貴之
- Organizer
  北海道大学複雑系セミナー
- Place of Presentation
  北海道大学
- Year and Date
  2012-06-11
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] 二次元Euler-α方程式の弱解の特異極限解とその性質について2011
- Author(s)
  坂上貴之
- Organizer
  京都大学数理解析研究所共同研究「偏微分方程式の背後にある確率過程と解の族が示す統計力学的な現象の解析」
- Place of Presentation
  京都大学数理奇跡研究所.
- Year and Date
  2011-12-20
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] Enstrophy dissipation in Euler-alpha point vortices via triple collapse2011
- Author(s)
  Takashi Sakajo
- Organizer
  Emerging Topics on Differential Equations and their Applications Sino-Japan Conference of YoungMathematicians
- Place of Presentation
  Chern Institute, 南開大学,天津(中国)(招待講演)
- Year and Date
  2011-12-07
- Data Source
  KAKENHI-PROJECT-23340030
[Presentation] 二次元Euler-a方程式の弱解の特異極限解とその性質について2011
- Author(s)
  坂上貴之
- Organizer
  偏微分方程式の背後にある確率課程と解の族が示す統計力学的な現象の解析
- Place of Presentation
  京都大学数理解析研究所(京都府)(招待講演)
- Year and Date
  2011-12-20
- Data Source
  KAKENHI-PROJECT-23340030
[Presentation] 三点渦衝突によるハミルトンエネルギー変動2011
- Author(s)
  坂上貴之
- Organizer
  流体科学セミナー
- Place of Presentation
  大阪大学基礎工学部(大阪府)(招待講演)
- Year and Date
  2011-08-29
- Data Source
  KAKENHI-PROJECT-23340030
[Presentation] 三点渦衝突によるハミルトンエネルギーの変動2011
- Author(s)
  坂上貴之
- Organizer
  大阪大学大学院基礎工学研究科流体科学セミナー
- Place of Presentation
  大阪大学
- Year and Date
  2011-08-29
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] Energy variations of a point-vortex dynamics via triple collapse2011
- Author(s)
  坂上貴之
- Organizer
  東北大学大学院情報科学研究科仙台シンポジウム
- Place of Presentation
  東北大学
- Year and Date
  2011-08-17
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] 二次元Euler-α方程式の弱解の特異極限解とその性質について2011
- Author(s)
  坂上貴之
- Organizer
  京都大学数理解析研究所共同研究「偏微分方程式の背後にある確率過程と解の族が示す統計力学的な現象の解析」
- Place of Presentation
  京都大学数理解析研究所(京都市)
- Year and Date
  2011-12-20
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] Enstrophy dissipation in Euler-alpha point vortices via triple collapse2011
- Author(s)
  T. Sakajo
- Organizer
  Emerging Topics on Differential Equations and their Applications- Sino-Japan Conference of Young Mathematicians
- Place of Presentation
  Nankai University,China, Invited speaker.
- Year and Date
  2011-12-07
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] 流体方程式の特異点形成に関する数学的・数値的研究2009
- Author(s)
  坂上貴之
- Organizer
  東京工業大学グローバルCOE計算世界観の深化と展開シンポジウム
- Place of Presentation
  東京工業大学
- Year and Date
  2009-12-03
- Data Source
  KAKENHI-PROJECT-18340030
[Presentation] 多重連結領域上の点渦力学とその展望2009
- Author(s)
  坂上貴之
- Organizer
  愛媛ワークショップ
- Place of Presentation
  愛媛大学
- Year and Date
  2009-06-12
- Data Source
  KAKENHI-PROJECT-18340030
[Presentation] 流体方程式の特異点形成に関する数学的・数値的研究2009
- Author(s)
  坂上貴之
- Organizer
  東京工業大学グローバルCOE計算世界観の深化と展開シンポジウム
- Place of Presentation
  東京工業大学
- Year and Date
  2009-12-31
- Data Source
  KAKENHI-PROJECT-21340017
[Presentation] 特異値分解を利用した点渦の定常配置探索2009
- Author(s)
  坂上貴之
- Organizer
  固有値・特異値合同ワークショップ
- Place of Presentation
  エポカルつくば
- Year and Date
  2009-11-22
- Data Source
  KAKENHI-PROJECT-18340030
[Presentation] Motion of a ring structure of coherent vortices on a sphere with polevortices2008
- Author(s)
  T. Sakajo
- Organizer
  IUTAM symposium 150 Years of Vortex Dynamic
- Place of Presentation
  Technical University of Denmark, Lyngby (デンマーク)
- Year and Date
  2008-10-14
- Data Source
  KAKENHI-PROJECT-18340030
[Presentation] Chaotic motion of ring configuration of N-vortex points on sphere2007
- Author(s)
  Takashi Sakajo
- Organizer
  Euler Equations: 250 Years On
- Place of Presentation
  フランス・オッソワ
- Year and Date
  2007-06-18
- Data Source
  KAKENHI-PROJECT-17684002
[Presentation] Motion of N-Vortex Points in Ring Formation on a Rotating Sphere2007
- Author(s)
  Takashi Sakajo
- Organizer
  SIAM Conference on Applications of Dynamical Systems
- Place of Presentation
  米国・ユタ州・スノーバート
- Year and Date
  2007-06-01
- Data Source
  KAKENHI-PROJECT-19654014
[Presentation] A chaotic motion in the N-vortex problem on sphere - Hamiltonian systems with saddle-center equilibria2007
- Author(s)
  Takashi Sakajo
- Organizer
  The 3rd East Asia SIAM Conference
- Place of Presentation
  中国・厦門
- Year and Date
  2007-11-02
- Data Source
  KAKENHI-PROJECT-17684002
[Presentation] Solution of Partial Differential Equations on the Sphere2007
- Author(s)
  坂上貴之
- Organizer
  A fast tree-code algorithm for point-vortex interactions on a sphere
- Place of Presentation
  Exeter United Kingdom
- Year and Date
  2007-09-27
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17204008
[Presentation] A fast tree-code algorithm for point-vortex interactions on a sphere2007
- Author(s)
  Takashi Sakajo
- Organizer
  Solution of Partial Differential Equations on the Sphere
- Place of Presentation
  英国・エクセター
- Year and Date
  2007-09-27
- Data Source
  KAKENHI-PROJECT-17684002
[Presentation] Anomalous enstrophy dissipation via triple collapse of 2D point vorties
- Author(s)
  Takashi Sakajo
- Organizer
  The 2nd International Conference on Mathematical Theory of Turbulence via Harmonic Analysis and Computational Fluid Dynamics
- Place of Presentation
  奈良市
- Invited
- Data Source
  KAKENHI-PROJECT-23340030
[Presentation] Dissipative weak solutions to Euler's equations and vortex collapse
- Author(s)
  Takashi Sakajo
- Organizer
  Fundamental Aspect of Geophysical Turbulence
- Place of Presentation
  名古屋大学
- Invited
- Data Source
  KAKENHI-PROJECT-23340030

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SAKAJO TAKASHI 坂上 貴之

SAKAJO Takashi 坂上 貴之

坂上 貴之 サカジョウ タカシ

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Vortex dynamics on surfaces exploring new fluid phenomena brought by geometryPrincipal Investigator

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Mathematical study of micro pressure waves for developments in modern high-speed trainsPrincipal Investigator

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Understanding of turbulent phenomena through dissipative weak solutions to fluid equationsPrincipal Investigator

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Construction of mathematical models for long-term forecast of atmospheric variation by climate time-seriesPrincipal Investigator

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Towards a mathematical theory of fluid turbulence via singular vortex dynamicsPrincipal Investigator

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計算ホモロジーによる流れ場構造解析法の開発とその乱流現象への応用Principal Investigator

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SAKAJO TAKASHI 坂上貴之

SAKAJO Takashi 坂上貴之

坂上貴之サカジョウタカシ