Evandro Monteiro
Abstract:
In this article we prove the existence of multiple solutions for
the fourth-order elliptic problem
where
is a bounded domain,
is a function
of class
such that
and it
is asymptotically linear at infinity.
We study the cases when the parameter c is less than the
first eigenvalue, and between two consecutive eigenvalues
of the Laplacian. To obtain solutions we use the Saddle Point Theorem,
the Linking Theorem, and Critical Groups Theory.
Submitted February 15, 2011. Published November 2, 2011.
Math Subject Classifications: 35J30, 35J35.
Key Words: Asymptotically linear; Morse theory; shifting theorem;
multiplicity of solutions.
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Evandro Monteiro UNIFAL-MG, Rua Gabriel Monteiro da Silva, 700. Centro CEP 37130-000 Alfenas-MG, Brazil email: evandromonteiro@unifal-mg.edu.br |
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