Recent research activities (in English)

Talk
  • “A class of non-analytic functions for the global solvability of Kirchhoff equation”, The 10th AIMS Conference on Dynamical Systems Differential Equations and Applications, Autonomous University of Madrid, Spain (July 7-11, 2014).

  • “Kirchhoff equation and Manfrin’s class in the ultra-differentiable setting”, PDE seminar at TU Bergakademine Freiberg, Freiberg, Germany (July 4, 2014)

  • “A class of non-analytic functions for the global solvability of Kirchhoff equation”, The 20th “Microlocal Analysis and Classical Analysis”, Kyoto University (November 21-23, 2013) [sheets of slides].
  • “On second order weakly hyperbolic equations and the ultradifferentiable classes”, Linear and Nonlinear Waves, No. 11, Ohtsu, Japan (October 30-November 1, 2013) [sheets of slides].

  • “On second order weakly hyperbolic equations and the ultradifferentiable classes”, 9th ISAAC Congress (Qualitative Properties of Evolution Models) at Pedagogical University of Cracow, Cracow, Poland (August 5-10, 2013) [sheet of slides].

  • “On second order weakly hyperbolic equations and the ultradifferentiable classes”, Fourier Analysis and Partial Differential Operators, Aalto University, Helsinki, Finland (June 25-32, 2012).

  • “On the global solvability for semilinear wave equations with smooth propagation speeds”, The 4th Nagoya Workshop on Differential Equations, Nagoya University (March 5-7, 2012) [sheets of manuscript].

  • “Energy estimates and diagonalization for hyperbolic equations with time dependent coefficients”, Faculty of Applied Mathematics and Applied Mathematics, Hanoi University of Science and Technology, Hanoi, Vietnam (January 9-13, 2012)　[lecture note].

  • “On the global solvability for semilinear wave equations with smooth propagation speeds”, Fifth International Conference on Complex Analysis & Dynamical Systems, Akko, Israel (May 22-27, 2011).

  • “On the energy estimates for second order homogeneous hyperbolic equations with Levi-type conditions”, 26th Matsuyama Camp: Recent Development on Partial Differential Equations, Kyoto, Japan (January 6-9, 2011) [program], [abstract].

  • “On the energy estimates for second order homogeneous hyperbolic equations with Levi-type conditions”, Microlocal Day #2 at Imperial College London, London, UK (December 3, 2010) [program and abstract].

  • “On the energy estimates of second order hyperbolic equations with time dependent coefficients”, PDE seminar at TU Bergakademine Freiberg, Freiberg, Germany (June 21, 2010) [abstract], [sheets of manuscript].

  • “On the energy estimates of second order hyperbolic equations with time dependent coefficients”, Workshop on Fourier Analysis and Partial Differential Equations at Universtiy of Göttingen, Göttingen, Germany (June 14-17, 2010) [program], [sheets of manuscript].

  • “Wave equations with time depending propagation speed”, 17th ICFIDCAA at Ho Chi Minh City University of Pedagogy, Ho-Chi-Minh, Vietnam (August 3-8, 2009) [abstract], [sheets of manuscript].

  • “Wave equations with time dependent coefficients”, 7th ISAAC Congress (Dispersive Equations) at Imperial College London, London, UK (July 13-18, 2009) [poster of our session], [abstract], [sheets of manuscript].

  • “Energy estimates for wave equations with time dependent coefficients”, 24th Matsuyama Camp, Yamaguchi University (March 14-16, 2009) [program], [abstract], [sheets of manuscript].

  • “On wave equations with time dependent coefficients of the Gevrey class”, Scientific program of the workshop “Evolution equations” at TU Bergakademie Freiberg, Freiberg, Germany (October 1-2, 2008) [abstract], [sheets of manuscript].

  • “Generalized energy conservation law for wave equations with variable coefficients”, Analysis Group Seminar at Imperial College London, London, UK (September 26, 2008) [abstract], [sheets of manuscript].

  • “Cm-theory of damped wave equations with stabilization (joint work with J. Wirth)”, International Symposium “Function Spaces and Partial Differential Equations” in Osaka University, Japan (February 18-20, 2008)  [sheets of manuscript].

  • “On the well-posedness for second order weakly hyperbolic Cauchy problems under the influences of the regularity of the coefficients”, 6th ISAAC Congress (Dispersive Equations) in Middle East Technical University, Ankara, Turkey (August 13-18, 2007) [poster of our session], [abstract], [sheets of manuscript].

  • “Refined diagonalization procedure for Cm coefficients and its applications to the Cauchy problem for hyperbolic equations”, “On the Gevrey well-posedness for second order weakly hyperbolic equation with Cm coefficients”, Lectures for graduate students, TU Bergakademie Freiberg, Freiberg, Germany (March 20-22, 2007) [sheets of manuscript].

　

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