we study an initial-boundary-value problem for the "good" Boussinesq equation on the half line{δt^2u-δx^2u+δx^4u+δx^2u^2=0,t〉0,x〉0. u(0,t)=h1(t),δx^2u(0,t) =δth2(t), u(x,0)=f(x),δtu(x,0)=δx...we study an initial-boundary-value problem for the "good" Boussinesq equation on the half line{δt^2u-δx^2u+δx^4u+δx^2u^2=0,t〉0,x〉0. u(0,t)=h1(t),δx^2u(0,t) =δth2(t), u(x,0)=f(x),δtu(x,0)=δxh(x).The existence and uniqueness of low reguality solution to the initial-boundary-value problem is proved when the initial-boundary data (f, h, h1, h2) belong to the product spaceH^5(R^+)×H^s-1(R^+)×H^s/2+1/4(R^+)×H^s/2+1/4(R^+) 1 The analyticity of the solution mapping between the initial-boundary-data and the with 0 ≤ s 〈 1/2. solution space is also considered.展开更多
The scattering problem for the Klein–Gordon equation with cubic convolution nonlinearity is considered. Based on the Strichartz estimates for the inhomogeneous Klein–Gordon equation, we prove the existence of the sc...The scattering problem for the Klein–Gordon equation with cubic convolution nonlinearity is considered. Based on the Strichartz estimates for the inhomogeneous Klein–Gordon equation, we prove the existence of the scattering operator, which improves the known results in some sense.展开更多
基金Supported by National Natural Science Foundation of China (Grant No. 10931007)Zhejiang Provincial Natural Science Foundation of China (Grant No. Y6090158)
文摘we study an initial-boundary-value problem for the "good" Boussinesq equation on the half line{δt^2u-δx^2u+δx^4u+δx^2u^2=0,t〉0,x〉0. u(0,t)=h1(t),δx^2u(0,t) =δth2(t), u(x,0)=f(x),δtu(x,0)=δxh(x).The existence and uniqueness of low reguality solution to the initial-boundary-value problem is proved when the initial-boundary data (f, h, h1, h2) belong to the product spaceH^5(R^+)×H^s-1(R^+)×H^s/2+1/4(R^+)×H^s/2+1/4(R^+) 1 The analyticity of the solution mapping between the initial-boundary-data and the with 0 ≤ s 〈 1/2. solution space is also considered.
基金Supported by Natural Science Foundation of China(Grant No.10931007)Zhejiang Provincial NaturalScience Foundation of China(Grant No.Y6090158)
文摘The scattering problem for the Klein–Gordon equation with cubic convolution nonlinearity is considered. Based on the Strichartz estimates for the inhomogeneous Klein–Gordon equation, we prove the existence of the scattering operator, which improves the known results in some sense.