Singularly perturbed nonlinear Neumann problems with a general nonlinearity

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Abstract

Let Ω be a bounded domain in Rn, n ≥ 3, with the boundary ∂ Ω ∈ C3. We consider the following singularly perturbed nonlinear elliptic problem on Ωε2 Δ u - u + f (u) = 0, u > 0 on Ω, frac(∂ u, ∂ ν) = 0 on ∂ Ω, where ν is an exterior normal to ∂Ω and a nonlinearity f of subcritical growth. Under rather strong conditions on f, it has been known that for small ε > 0, there exists a solution uε of the above problem which exhibits a spike layer near local maximum points of the mean curvature H on ∂Ω as ε → 0. In this paper, we obtain the same result under some conditions on f (Berestycki-Lions conditions), which we believe to be almost optimal. © 2008 Elsevier Inc. All rights reserved.

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APA

Byeon, J. (2008). Singularly perturbed nonlinear Neumann problems with a general nonlinearity. Journal of Differential Equations, 244(10), 2473–2497. https://doi.org/10.1016/j.jde.2008.02.024

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