H Chen, X Yang - Nonlinear Differential Equations and Applications …, 2022 - Springer
We construct a smooth radial positive solution for the following m-coupled elliptic system-Δ
ui= f (ui)-β∑ j≠ iuiuj 2, in B 1 (0), ui= 0, i= 1,…, m, on∂ B 1 (0), for β> 0 large enough, where …