On the Fučík spectrum for elliptic systems
Słowa kluczowe
Elliptic system, Fučík spectrum, variational methods, topological degreeAbstrakt
We propose an extension of the concept of Fučík spectrum to the case of coupled systems of two elliptic equations, we study its structure and some applications. We show that near a simple eigenvalue of the system, the Fučík spectrum consists (after a suitable reparametrization) of two (maybe coincident) 2-dimensional surfaces. Furthermore, by variational methods, parts of the Fučík spectrum which lie far away from the diagonal (i.e. from the eigenvalues) are found. As application, some existence, non-existence and multiplicity results to systems with eigenvalue crossing (``jumping'') nonlinearities are proved.Pobrania
Opublikowane
2006-06-01
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1.
MASSA, Eugenio & RUF, Bernhard. On the Fučík spectrum for elliptic systems. Topological Methods in Nonlinear Analysis [online]. 1 czerwiec 2006, T. 27, nr 2, s. 195–228. [udostępniono 22.7.2024].
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