On a nonlinear Robin problem with an absorption term on the boundary and $L^1$ data

Francesco Della Pietra, Francescantonio Oliva, Sergio Segura de León

We deal with existence and uniqueness of nonnegative solutions to \begin{equation*} \left\{ \begin{array}{l} -Δu = f(x) \text{ in }Ω, \frac{\partial u}{\partial ν} + λ(x) u = \frac…