Symmetry of solutions of semilinear elliptic problems

• Autores: Jean van Schaftingen, Michel Willem
• Localización: Journal of the European Mathematical Society, ISSN 1435-9855, Vol. 10, Nº 2, 2008, págs. 439-456
• Idioma: inglés
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• Resumen

  • We study symmetry properties of least energy positive or nodal solutions of semilinear elliptic problems with Dirichlet or Neumann boundary conditions. The proof is based on symmetrizations in the spirit of Bartsch, Weth and Willem (J. Anal. Math., 2005) together with a strong maximum principle for quasi-continuous functions of Ancona and an intermediate-value property for such functions.