Counterexamples to Symmetry for Partially Overdetermined Elliptic Problems

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We exhibit several counterexamples showing that the famous Serrin's symmetry result for semilinear elliptic overdetermined problems may not hold for partially overdetermined problems, that is when both Dirichlet and Neumann boundary conditions are prescribed only on part of the boundary. Our counterexamples enlighten subsequent positive symmetry results obtained by the first two authors for such partially overdetermined systems and justify their assumptions as well.

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Optimization and Control, Analysis of PDEs, 35J70, 35B50, 49Q10

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http://salesiana.dossiersoluciones.com/handle/123456789/220248

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0902.2947
 http://arxiv.org/abs/0902.2947

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arXiv