Our preprints(including some papers published already.)

  1. Remark on wave front sets of solutions to Schroedinger equation of a free particle and a harmonic oscillator, with M. Kobayashi and S. Ito, SUT J. Math. 47(2011), 175-183.
  2. Representation of Schroedinger operator of a free particle via short-time Fourier transform and its applications, with M. Kobayashi and S. Ito, to appear in Tohoku Math. J..
  3. Characterization of wave front sets in Fourier-Lebesgue spaces and its applications, with M. Kobayashi and S. Ito(preprints).