Abstract:
Motivated by the classical Coulomb central motion model, we study the existence of Tperiodic solutions for the nonlinear second order system of singular ordinary differential equations u'' + g(u) = p(t). Using topological degree methods, we prove that when the nonlinearity g : RN\\{0} ← RN is continuous, repulsive at the origin and bounded at infinity, if an appropriate Nirenberg type condition holds then either the problem has a classical solution, or else there exists a family of solutions of perturbed problems that converge uniformly and weakly in H1 to some limit function u. Furthermore, under appropriate conditions we prove that u is a classical solution.
Registro:
Documento: |
Artículo
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Título: | Periodic solutions of systems with singularities of repulsive type |
Autor: | Amster, P.; Maurette, M. |
Filiación: | Departamento de Matemática, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, (1428) Buenos Aires, Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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Palabras clave: | Periodic solutions; Repulsive singularities; Topological degree |
Año: | 2011
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Volumen: | 11
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Número: | 1
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Página de inicio: | 201
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Página de fin: | 220
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DOI: |
http://dx.doi.org/10.1515/ans-2011-0110 |
Título revista: | Advanced Nonlinear Studies
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Título revista abreviado: | Adv. Nonlinear Stud.
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ISSN: | 15361365
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15361365_v11_n1_p201_Amster |
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Citas:
---------- APA ----------
Amster, P. & Maurette, M.
(2011)
. Periodic solutions of systems with singularities of repulsive type. Advanced Nonlinear Studies, 11(1), 201-220.
http://dx.doi.org/10.1515/ans-2011-0110---------- CHICAGO ----------
Amster, P., Maurette, M.
"Periodic solutions of systems with singularities of repulsive type"
. Advanced Nonlinear Studies 11, no. 1
(2011) : 201-220.
http://dx.doi.org/10.1515/ans-2011-0110---------- MLA ----------
Amster, P., Maurette, M.
"Periodic solutions of systems with singularities of repulsive type"
. Advanced Nonlinear Studies, vol. 11, no. 1, 2011, pp. 201-220.
http://dx.doi.org/10.1515/ans-2011-0110---------- VANCOUVER ----------
Amster, P., Maurette, M. Periodic solutions of systems with singularities of repulsive type. Adv. Nonlinear Stud. 2011;11(1):201-220.
http://dx.doi.org/10.1515/ans-2011-0110