Elliptic $p$-Laplacian systems with nonlinear boundary condition

Franziska Borer, Siegfried Carl, Patrick Winkert

In this paper we study quasilinear elliptic systems given by \begin{equation*} \begin{aligned} -Δ_{p_1}u_1 & =-|u_1|^{p_1-2}u_1 \quad && \text{in } Ω,\newline -Δ_{p_2}u_2 & =-|u_2|…