Positive and oscillatory radial solutions of semilinear elliptic equations
[摘要] We prove that the nonlinear partial differential equationΔu+f(u)+g(|x|,u)=0, in ℝn,n≥3,withu(0)>0, wherefandgare continuous,f(u)>0andg(|x|,u)>0foru>0, andlimu→0+f(u)uq=B>0, for 1
