摘要
研究了带有强耗散项 BBM 型方程 u_t-u_(xxt)+f(u)_x+αu_(xxxx)+g(u)=0初边值问题整体解的衰减性质,得到了若干有趣的结果.
The decay properties of global solutions for strongly dissipative BBM type equa- tions u_t-u_(xx)+f(u)_x+αu_(xxxx)+g(u)=0 are studied.Some interesting results are obtained.
关键词
BBM型方程
整体解
衰减估计
非线性
BBM type equation
Global solution
Decay estimate
Extinction