Dirichlet and Neumann Problems Related to Nonlinear Elliptic Systems: Solvability, Multiple Solutions, Solutions with Positive Components

Luisa Toscano and Speranza Toscano

Abstract and Applied Analysis, 2012, vol. 2012, 1-44

Abstract:

We study the solvability of Dirichlet and Neumann problems for different classes of nonlinear elliptic systems depending on parameters and with nonmonotone operators, using existence theorems related to a general system of variational equations in a reflexive Banach space. We also point out some regularity properties and the sign of the found solutions components. We often prove the existence of at least two different solutions with positive components.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:760854

DOI: 10.1155/2012/760854

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