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http://hdl.handle.net/10773/5390
Title: | The method of upper-lower solutions for nonlinear second order differential inclusions |
Author: | Papageorgiou, Nikolaos Staicu, Vasile |
Keywords: | Upper and lower solutions Extremal solutions Truncation and penalty functions Multifunctions Fixed points |
Issue Date: | 2007 |
Publisher: | Elsevier |
Abstract: | In this paper we consider a second order differential inclusion driven by the ordinary p-Laplacian, with a subdifferential term, a discontinuous perturbation and nonlinear boundary value conditions. Assuming the existence of an ordered pair of appropriately defined upper and lower solutions φ and ψ respectively, using truncations and penalization techniques and results from nonlinear and multivalued analysis, we prove the existence of solutions in the order interval [ψ,φ] and of extremal solutions in [ψ,φ]. We show that our problem incorporates the Dirichlet, Neumann and Sturm–Liouville problems. Moreover, we show that our method of proof also applies to the periodic problem. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/5390 |
ISSN: | 0362-546X |
Appears in Collections: | DMat - Artigos |
Files in This Item:
File | Description | Size | Format | |
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P29_NA67_2007_708_726.pdf | 350.56 kB | Adobe PDF |
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