摘要
讨论了具有两个异号非线性源项的波动方程utt-△u+a|u|p-1u-b|u|q-1u=0的初边值问题.依据势井理论,引入了一簇势井,并结合紧致性方法得到该问题整体解的存在性.
In this paper, we study the existence of solutions for wave equations with two nonlinear source terms of differentsigns:uH-△u+a|u|^p-1 u-b|u|^q-1u=0 by theory of potential wells and Galerkin method.
出处
《西南民族大学学报(自然科学版)》
CAS
2007年第4期718-721,共4页
Journal of Southwest Minzu University(Natural Science Edition)
关键词
非线性波动方程
初边值
势井
整体解
nonlinear wave equation
initial boundary value
potential well
global solution