11 citations · 18 across the 10 of their papers we have counts for
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math.AP2019★ 4 cited
Singularity for Solutions of Linearized KdV Equations
Keiichi Kato, Masaki Kawamoto, Koichiro Nanbu
We investigate the time propagation of singularity of a solution to linearized KdV equation by using the characterization of wave front sets with using to the wave packet transform…
math-ph2019
Wave front set for solutions to Schrodinger equations with time-dependent variable coefficients
Keiichi Kato, Tetsuya Ogawa, Taisuke Yoneyama
In this paper, we determine the C-infinity type wave front sets of the solutions to the Schrodinger equations with time-dependent variable coefficients and potentials by using the…
math.AP2019
Wave front set of solutions to Schrödinger equations with perturbed harmonic oscillators
Keiichi Kato, Shingo Ito
In this paper, we determine the wave front sets of solutions to Schrödinger equations of a harmonic oscillator with sub-quadratic perturbation by using the representation of the Sc…