本文利用能量扰动法得到具边界记忆项波动方程初边值问题解的指数衰减性。
The exponent decay of solution of wave equation with boundary memory is obtained by the energy method.
讨论了一类非线性抛物型方程的初边值问题解的存在性，并得出了解的存在性定理。
In this paper, the author discusses the existence of solutions to initial boundary value problem of nonlinear parabolic equations and obtains the existence theorem.
证明了具周期系数的边值问题正时间周期解的存在性以及对应初边值问题解的渐近性。
The time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary condition was studied.
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