Global Existence and Multiplicity for Nonlinear Robin Eigenvalue Problems

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We consider a parametric problem driven by the p-Laplacian with Robin boundary condition. We assume that the reaction can change sign and we prove an existence and multiplicity theorem which is global with respect to the parameter (a bifurcation-type theorem).
Klíčová slova
Nonlinear regularity
nonlinear maximum principle
strong comparison
bifurcation-type theorem
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