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arxiv: 1301.6047 · v1 · pith:HX4DIDHFnew · submitted 2013-01-25 · 🧮 math.AP

Free boundary on a cone

classification 🧮 math.AP
keywords boundaryconefreegammalengthvertexwhenavoids
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We study two phase problems posed over a two dimensional cone generated by a smooth curve $\gamma$ on the unit sphere. We show that when $length(\gamma)<2\pi$ the free boundary avoids the vertex of the cone. When $length(\gamma) \geq 2\pi$ we provide examples of minimizers such that the vertex belongs to the free boundary.

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