Gamma-star-shapedness for semilinear elliptic equations

DOI10.3934/CPAA.2005.4.93zbMath1210.35120OpenAlexW1977765320MaRDI QIDQ1779031

Marcello Lucia, Antonio Greco

Publication date: 21 June 2005

Published in: Communications on Pure and Applied Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3934/cpaa.2005.4.93

zbMATH Keywords

semilinear equationEmden-Fowler and Liouville equationsstar-shaped ring

Mathematics Subject Classification ID

Nonlinear boundary value problems for linear elliptic equations (35J65) Dependence of solutions to PDEs on initial and/or boundary data and/or on parameters of PDEs (35B30) Geometric theory, characteristics, transformations in context of PDEs (35A30) Variants of convex sets (star-shaped, ((m, n))-convex, etc.) (52A30)

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Quasi-concavity for semilinear elliptic equations with non-monotone and anisotropic nonlinearities

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