SAKAJO Takashi

J-GLOBAL         Last updated: Jun 3, 2019 at 14:47
 
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Name
SAKAJO Takashi
URL
http://www.math.kyoto-u.ac.jp/~sakajo/index.html
Affiliation
Kyoto University
Section
Graduate School of Science Division of Mathematics
Job title
Professor
Degree
Doctor of Science(Kyoto University), 1996.3 Master of Science, Kyoto University(Kyoto University)
Other affiliation
Kyoto University

Academic & Professional Experience

 
Apr 2013
 - 
Today
Professor, Graduate School of Science, Division of Mathematics, Kyoto University
 
May 1998
 - 
Apr 2003
1998-2003 Research Associate,1998.5-2003.4 Assistant Professor, Graduate school of Mathematics, Nagoya University,
 
2003
 - 
2005
 Associate Professor
 
2004
 - 
2005
 Associate Professor
 
2007
 - 
2011
 Researcher,Japan Science and Technology
 

Education

 
 
 - 
1996
Graduate School, Division of Natural Science, Kyoto University
 
 
 - 
1998
Graduate School, Division of Natural Science, Kyoto University
 

Awards & Honors

 
2000
Sep. 2000 Takebe Awards 2000 of the Mathematicsl Society of Japan.Oct. 2000 Paper of the year 2000 of Japan Society of Industrial and Applied Mathematics (JSIAM),Title "The motion of three point vortices on a sphere" JJIAM (1999) Vol. 16 No.3. pp.321-347.
 

Published Papers

 
Exact solution to a modified Liouville equation with Stuart vortex distribution on the surface of a torus
SAKAJO Takashi
Proc. Roy. Soc. A   475    2019   [Refereed]
Harnessing the Kelvin-Helmholtz instability: feedback stabilization of an inviscid vortex sheet
SAKAJO Takashi
Journal of Fluid Mechanics   852 156-177   2018   [Refereed]
Universality of the anomalous enstrophy dissipation at the collapse of three point vortices on Euler-Poincare models
T. Gotoda and T. Sakajo
SIAM J. Applied Mathematics      2018   [Refereed]
Tree representation of topological streamline patterns of structurally stable 2D Hamiltonian vector fields in multiply conected domains,
T. Sakajo and T. Yokoyam
The IMA Journal of Applied Mathematics   83 380-411   2018   [Refereed]
Stability of batotropic vortex strip on a rotating sphere
S.-I. Sohn, T. Sakajo and S.-C. Kim
Proc. Roy. Soc. A   474    2018   [Refereed]
Toroidal geometry stabilizing a latitudinal ring of N point vortices on a torus
T. Sakajo and Y. Shimizu
J. Nonlinear Science,   28 1043-1077   2018   [Refereed]
Linear feedback stabilization of point vortex equilibria near a Kasper Wing
R. Nelson, B. Protas and T. Sakajo
J. Fluid Mech.   827 121-154   2017   [Refereed]
T. Sakajo and Y. Shimizu
Proceedings of Royal Society A   472(2191)    Jul 2016   [Refereed]
GOTODA Takeshi and SAKAJO Takashi
J. Nonlinear Science   26(5) 1525-1570   2016   [Refereed]
MATSUMOTO Takeshi and SAKAJO Takashi
Phys. Rev. E   93(5) 053101   2016   [Refereed]
Enstrophy variations in the incompressible 2D Euler flows and alpha point vortices
GOTODA Takeshi and SAKAJO Takashi
Proceedings of International conference on Mathematical Fluid Dynamics, Present and Future   183    2016   [Refereed]
M. S. Nasser, T. Sakajo, A. H. Murid and L. K. Wei
Japan Journal of Industrial and Applied Mathematics   32(1) 205-236   2015   [Refereed]
H. Okamoto; T. Sakajo; M. Wunsch
Discrete and Continuous Dynamical Systems- Series A   34(8) 3155-3170   2014   [Refereed]
R. Nelson and T. Sakajo
Fluid Dynamics Research   46(6)    2014   [Refereed]
T. Sakajo, Y. Sawamura and T. Yokoyama
Fluid Dynamics Research   46(3)    2014   [Refereed]
N. Aoyama; T. Sakajo; H. Tanaka
Japan Journal of Industrial and Applied Mathematics   30(3) 485-509   2013   [Refereed]
T. Yokoyama and T. Sakajo
Proc. Roy. Soc. A   469 2150   2013   [Refereed]
T. Sakajo
Journal of Fluid Mechanics   702 188-214   Jul 2012   [Refereed]
T. Sakajo
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences   468(2140) 1175-1195   Apr 2012   [Refereed]
T. Sakajo
Physica D: Nonlinear Phenomena   241(5) 583-599   Mar 2012   [Refereed]
Mathematical models for dynamics and management of algal blooms in aquatic ecosystems
T. Amemiya; H. Serizawa; T. Sakajo; K. Itoh
Aquatic Ecosystem Research Trends   47-102   2012
Numerical construction of potential flows in multiply connected channel domains
T. Sakajo; Y. Amaya
Computational Methods and Function Theory   11(2) 415-438   2011   [Refereed]
P. K. Newton and T. Sakajo
Proc. Roy. Soc. A   467 1468-1490   2011   [Refereed]
K. Ohkitani; T. Sakajo
Nonlinearity   23(12) 3029-3051   Dec 2010   [Refereed]
T. Sakajo
Theoretical and Computational Fluid Dynamics   24(1-4) 151-156   2010   [Refereed]
T. Sakajo
Journal of Computational and Applied Mathematics   225(1) 158-171   2009   [Refereed]
P.K. Newton; T. Sakajo
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences   465(2102) 437-455   2009   [Refereed]
T. Sakajo
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences   465(2108) 2589-2611   2009   [Refereed]
T. Sakajo; K. Yagasaki
Physica D: Nonlinear Phenomena   237(14-17) 2078-2083   2008   [Refereed]
T. Sakajo
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics   78(1)    2008   [Refereed]
H. Okamoto; T. Sakajo; M. Wunsch
Nonlinearity   21(10) 2447-2461   2008   [Refereed]
T. Sakajo; K. Yagasaki
Journal of Nonlinear Science   18(5) 485-525   2008   [Refereed]
Structure of invariant dynamical systems embedded in the N-vortex motion on sphere with pole vortices
1536 109-121   2007
Numerical study of De Gregorio's model for the 3-D vorticity equation
SAKAJO Takashi
Transactions of the Japan Society for Industrial and Applied Mathematics   16 221-235   2007   [Refereed]
T. Sakajo
Physics of Fluids   19(1)    2007   [Refereed]
P.K. Newton; T. Sakajo
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences   463(2080) 961-977   2007   [Refereed]
T. Sakajo
Nonlinearity   19(1) 75-93   2006   [Refereed]
T. Sakajo
Physica D: Nonlinear Phenomena   217(2) 142-152   2006   [Refereed]
Motion of unstable polygonal ring of vortex points on sphere with pole vortices
T. Sakajo
Fluid Mechanics and its Applications   79 295-300   2006
E. Kin; T. Sakajo
Chaos   15(2)    2005   [Refereed]
T. Sakajo
Physics of Fluids   16(3) 717-727   2004   [Refereed]
T. Sakajo
European Journal of Applied Mathematics   15(1) 39-53   2004   [Refereed]
T. Sakajo
Physica D: Nonlinear Phenomena   196(3-4) 243-264   2004   [Refereed]
T. Sakajo
Nonlinearity   16(4) 1319-1328   2003   [Refereed]
Blow-up solutions of Constantin-Lax-Majda equation with a generalized viscosity term
T. Sakajo
J. Math. Sci. Univ. Tokyo   10 187-207   2003   [Refereed]
T. Sakajo
Physics of Fluids   14(8) 2886-2897   2002   [Refereed]
T. Sakajo
Fluid Dynamics Research   28(6) 423-448   2001   [Refereed]

Misc

 
"Encoding 'DNA' for fluid topologies"
SAKAJO Takashi
Research Features      2018

Conference Activities & Talks

 
Mathematical models of cascading phenomena in turbulence [Invited]
SAKAJO Takashi
Workshop on Scientific Computing Across Scales: Extreme Events and Criticality in Fluid Mechanics   18 Apr 2019   
Vortex dynamics on the surface of a torus
SAKAJO Takashi
Applied Interdisciplinary Mathematics (AIM) Seminar   8 Feb 2019   
Classification of 2D Hamiltonian vector fields and topological flow data analysis : theory, computation and applications II
SAKAJO Takashi
Workshop on Applied Topology (WAT2019)   11 Jan 2019   
Classification of 2D Hamiltonian vector fields and topological flow data analysis : theory, computation and applications I [Invited]
SAKAJO Takashi
Workshop on Applied Topology (WAT2019)   8 Jan 2019   
Control of vortex dominated flows through vortex dynamics [Invited]
SAKAJO Takashi
Mathematics of Fluid Motion II: Theory and Computation   26 Dec 2018   

Research Grants & Projects

 
Singularity formation in vortex sheets, Point Vortices on Sphere, Large Scale Computation for Navier-Stokes equations, Mathematical Modeling
Mathematical theory of vortex sheets
Grant-in-Aid for Scientific Research
Project Year: 1995   
Singularity formation in Fluid Equations
Grant-in-Aid for Scientific Research
Project Year: 1999   
Dynamics of Point Vortices on Sphere
Project Year: 2003   
Dynamics of Point Vortices on Multiply Connected Domains
Project Year: 2007   

Patents

 
特願 WO2015JP81402 : REGULAR EXPRESSION CREATION METHOD AND REGULAR EXPRESSION CREATION DEVICE OF FLOW PATTERN, AND COMPUTER-EXECUTABLE PROGRAM
SAKAJO Takashi
特願 US201415033121 : FLUID TRANSITION ROUTE ACQUISITION APPARATUS, FLUID TRANSITION ROUTE ACQUISITION METHOD, AND PROGRAM
SAKAJO Takashi
特願 WO2014JP56811 : FLUID TRANSITION ANALYSIS DEVICE, FLUID TRANSITION ANALYSIS METHOD, AND PROGRAM
SAKAJO Takashi
特願 US201314427148 : METHOD FOR WORD REPRESENTATION OF FLOW PATTERN, APPARATUS FOR WORD REPRESENTATION, AND PROGRAM
SAKAJO Takashi