Yoshinori Nishii. Nondecay of the energy for a system of semilinear wave equations. Kyoto Journal of Mathematics. 2023. 63. 2
Chunhua Li, Yoshinori Nishii, Yuji Sagawa, Hideaki Sunagawa. Upper and lower $ L^2 $-decay bounds for a class of derivative nonlinear Schrödinger equations. Discrete and Continuous Dynamical Systems. 2022. 42. 12. 5893-5908
Chunhua Li, Yoshinori Nishii, Yuji Sagawa, Hideaki Sunagawa. Large Time Asymptotics for a Cubic Nonlinear Schrödinger System in One Space Dimension. Funkcialaj Ekvacioj. 2021. 64. 3. 361-377
Chunhua LI, Yoshinori NISHII, Yuji SAGAWA, Hideaki SUNAGAWA. Large Time Asymptotics for a Cubic Nonlinear Schrödinger System in One Space Dimension, II. Tokyo Journal of Mathematics. 2021. 44. 2
Yoshinori NISHII, Hideaki SUNAGAWA, Hiroki TERASHITA. Energy decay for small solutions to semilinear wave equations with weakly dissipative structure. Journal of the Mathematical Society of Japan. 2021. 73. 3