A multiplicity result for periodic solutions of higher order ordinary differential equations via the method of upper and lower solutions
<p/> <p>We prove a multiplicity result of Ambrosetti–Prodi type problems of higher order. Proofs are based on upper and lower solutions method for higher order periodic boundary value problems and coincidence degree arguments.</p>
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| Format: | Article |
| Language: | English |
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SpringerOpen
1998-01-01
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| Series: | Journal of Inequalities and Applications |
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| Online Access: | http://www.journalofinequalitiesandapplications.com/content/2/195090 |