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RESEARCH PRODUCT
A note on boundary conditions for nonlinear operators
Diana CaponettiA. TrombettaG. Trombettasubject
Settore MAT/05 - Analisi MatematicaMeasure of noncompactness k-$\psi$-contraction $\psi$-condensing operator fixed point index.description
We investigate boundary conditions for strict-$\psi$-contractive and $\psi$-condensing operators. We derive results on the existence of eigenvectors with positive and negative eigenvalues and we obtain fixed point theorems for classes of noncompact opera\-tors.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2008-01-01 |