对于b∈L^2(Ω,R^3),v·b|аΩ=0,运用一个初等方法我们证明方程div b=0有一个解b=cur|φ,其中φ属于Sobolev空间H0^1(Ω,R^3)。
Abstract For b∈ L^2 (Ω,R^3), v.bba = 0, with an elementary proof we show that the equation div b = 0 has a solution b = curl φ for φ in the Sobolev space Hi (Ω,R^3).