Precise asymptotic expansions are established for singularly perturbed elliptic problems with multiplicative nonlocal diffusion and Robin boundary conditions, with higher-order terms explicitly involving boundary mean curvature due to the nonlocal coupling.
Nittka, Regularity of linear second order elliptic and parabolic boundary value problems on Lipschitz domains, J
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Refined boundary layer asymptotics for elliptic equations with multiplicative nonlocal effects
Precise asymptotic expansions are established for singularly perturbed elliptic problems with multiplicative nonlocal diffusion and Robin boundary conditions, with higher-order terms explicitly involving boundary mean curvature due to the nonlocal coupling.