This paper deals with the initial boundary value problems for the nonlinear wave equations with varable coefficient principal part.By virtue of compactness uniqueness argument as well as the usual ener-gy estimates,we...This paper deals with the initial boundary value problems for the nonlinear wave equations with varable coefficient principal part.By virtue of compactness uniqueness argument as well as the usual ener-gy estimates,we obthain some sufficient conditions which ensure the energy admits exponent decay.展开更多
文摘This paper deals with the initial boundary value problems for the nonlinear wave equations with varable coefficient principal part.By virtue of compactness uniqueness argument as well as the usual ener-gy estimates,we obthain some sufficient conditions which ensure the energy admits exponent decay.