Kazuyuki Yagasaki

Professor Emeritus
Department of Applied Mathematics and Physics
Graduate School of Informatics
Kyoto University

Yoshida-Honmachi, Sakyo-ku
Kyoto 606-8501
JAPAN

Research Interests

Dynamical systems and their applications in applied sciences and engineering

(Theoretical and numerical approaches)




Research Topics

• Nonintegrability of dynamical systems

  Three-body problem
  
  Nearly integrable systems
  
  Near degenerate equlibria
  
  Poincare-Dulac normal forms
  
  Birkhoff normal forms
  

• Inverse scattering methods of integrable systems

  Integrability of integrable partial differntial equations by quadrature
  

• Nonlinear waves

  Bifurcatuions of soltary waves and pulses
  
  Embedded solitons
  
  Solitary waves and pulses in periodic media
  

• Hamilton-Jacobi equations

  Classical solutions
  
  Viscosity solutions
  
  Optimal control
  

• Reversible systems

  Bifurcations and stability of periodic orbits
  
  Nonintegrabity and chaos
  

• Applications in applied sciences and engineering

  Coupled oscillators on networks
  
  Optimal control of epidemic models
  
  Design of spacecraft transfer trajectories
  




Activity Database on Education and Research, Kyoto University




Publications






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Kyoto University

Graduate School of Informatics

Department of Appled Mathematics and Physics

Dynamical Systems Group





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8th Workshop on Hamiltonian Systems and Related Topics

9th Workshop on Hamiltonian Systems and Related Topics