3 papers
math.AP2021
Periodic solutions of a semilinear variable coefficient wave equation under asymptotic nonresonance conditions
Hui Wei, Shuguan Ji
We consider the periodic solutions of a semilinear variable coefficient wave equation arising from the forced vibrations of a nonhomogeneous string and the propagation of seismic w…
math.DS2018
Infinitely many periodic solutions for a semilinear wave equation with -dependent coefficients
Hui Wei, Shuguan Ji
This paper is devoted to the study of periodic (in time) solutions to an one-dimensional semilinear wave equation with -dependent coefficients under various homogeneous boundary…
math.DS2017
Existence of multiple periodic solutions for a semilinear wave equation in an -dimensional ball
Hui Wei, Shuguan Ji
This paper is devoted to the study of periodic solutions for a radially symmetric semilinear wave equation in an -dimensional ball. By combining the variational methods and sadd…