Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
|
Outline of Final Research Achievements |
We proved the strong instability of standing waves for a nonlinear Schroedinger eqution with an inverse power potential including the Coulomb potential in multi-dimensional space, which can be regarded as a generalization of a nonlinear Schroedinger equation with a delta-function potential in one space dimension. Moreover, we studied the stability of solitary waves for a nonlinear Klein-Gordon equation with a delta-function potential, a generalized Boussinesq equation, a nonlinear Schroedinger equation on a star graph.
|