A complete description of the asymptotic behavior at infinity of positive radial solutions to $\hat{I}{”}^{2}u=u^{\hat{I}}\pm$ in ${\mathbf{R}}^n$

Quôc Anh Ngô, Van Hoang Nguyen, Quoc Hung Phan

We consider the biharmonic equation $\hat{I}{”}^{2}u=u^{\hat{I}}\pm$ in ${\mathbf{R}}^n$ with $n⩾1$. It was proved that this equation has a positive classical solution if, and only if, eithe…