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arxiv: 1810.01494 · v1 · pith:RQ7QS5QXnew · submitted 2018-10-02 · 🧮 math.AP

Multiple Delaunay ends solutions of the Cahn-Hilliard equation

classification 🧮 math.AP
keywords varepsilonsigmamathbbcahn-hilliarddelaunayendsequationmultiple
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Let $\Sigma$ be a surface of constant mean curvature in ${\mathbb R}^3$ with multiple Delaunay ends. Assuming that $\Sigma$ is non degenerate in this paper we construct new solutions to the Cahn-Hilliard equation $\varepsilon\Delta u+\varepsilon^{-1}u(1-u^2)=\ell_\varepsilon$ in ${\mathbb R}^3$ such that as $\varepsilon\to 0$ the zero level set of $u_\varepsilon$ approaches $\Sigma$. Moreover, on compacts of the connected components of ${\mathbb R}^3\setminus \Sigma$ we have $1-|u_\varepsilon|\to 0$ uniformly.

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