TY - JOUR ID - Bonanno2019 LB - Bonanno2019 AU - Bonanno, Gabriele AU - D'Aguì, Giuseppina AU - Sciammetta, Angela TI - Nonlinear elliptic equations involving the p-Laplacian with mixed Dirichlet-Neumann boundary conditions ST - Nonlinear elliptic equations involving the p-Laplacian with mixed Dirichlet-Neumann boundary conditions JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2019 VL - 39 IS - 2 SP - 159 EP - 174 DO - https://doi.org/10.7494/OpMath.2019.39.2.159 UR - https://doi.org/10.7494/OpMath.2019.39.2.159 AB - In this paper, a nonlinear differential problem involving the \(p\)-Laplacian operator with mixed boundary conditions is investigated. In particular, the existence of three non-zero solutions is established by requiring suitable behavior on the nonlinearity. Concrete examples illustrate the abstract results. KW - mixed problem KW - critical points SN - 1232-9274 ER -