Nonlinear boundary conditions Nonlocal diffusion Boundary conditions p-Laplacian P-Laplacian Eigenvalues and eigenfunctions Infinity Laplacian Laplace transforms Neumann boundary conditions Problem solving Blow-up Asymptotic behaviour Eigenvalues Mass transport Numerical approximations Viscosity solutions Dirichlet boundary conditions Dirichlet problem Eigenvalue problems Elliptic equations Sobolev trace embedding Variational problems Asymptotic behavior Diffusion Elliptic systems Monge-Kantorovich problems Neumann problem P-Laplacian equation Tug-of-war games Viscosity