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Periodic Solutions of Pendulum-Like Perturbations of Singular and Bounded $${\phi}$$-Laplacians |
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| Authors: | Cristian Bereanu Petru Jebelean Jean Mawhin |
| Institution: | 1.Institute of Mathematics “Simion Stoilow” of the Romanian Academy,Bucharest,Romania;2.Department of Mathematics,West University of Timi?oara,Timi?oara,Romania;3.Institut de Mathématique et Physique,Université Catholique de Louvain,Louvain-la-Neuve,Belgique |
| Abstract: | In this paper we study the existence and multiplicity of periodic solutions of pendulum-like perturbations of bounded or singular f{\phi}-Laplacians. Our approach relies on the Leray-Schauder degree and the upper and lower solutions method. |
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