Existence theorem of periodic positive solutions for the Rayleigh equation of retarded type.
Wang, Genqiang, Yan, Jurang (2000)
Portugaliae Mathematica
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Displaying similar documents to “Periodic solutions of neutral Duffing equations.”
Existence theorem of periodic positive solutions for the Rayleigh equation of retarded type.
On variational impulsive boundary value problems
Marek Galewski (2012)
Open Mathematics
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Using the variational approach, we investigate the existence of solutions and their dependence on functional parameters for classical solutions to the second order impulsive boundary value Dirichlet problems with L1 right hand side.
Forced oscillations of beams on elastic bearings.
Fečkan, Michael (2003)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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On the degree of strong approximation of integrable functions.
Łenski, Włodzimierz (2007)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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A two parameters Ambrosetti-Prodi problem.
De Coster, C., Habets, P. (1996)
Portugaliae Mathematica
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Periodic solutions for a third order differential equation under conditions on the potential.
Minhós, Feliz (1998)
Portugaliae Mathematica
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Solving some problems of advanced analytical nature posed in the SIAM Review. II.
Grosjean, Carl C. (1996)
Bulletin of the Belgian Mathematical Society - Simon Stevin
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On an asymptotically sharp variant of Heinz's inequality.
Partyka, Dariusz, Sakan, Ken-ichi (2005)
Annales Academiae Scientiarum Fennicae. Mathematica
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A second look at the first result of Landesman-Lazer type.
Lazer, Alan C. (2000)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Impulsive boundary value problems for -Laplacian’s via critical point theory
Marek Galewski, Donal O'Regan (2012)
Czechoslovak Mathematical Journal
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In this paper we investigate the existence of solutions to impulsive problems with a -Laplacian and Dirichlet boundary value conditions. We introduce two types of solutions, namely a weak and a classical one which coincide because of the fundamental lemma of the calculus of variations. Firstly we investigate the existence of solution to the linear problem, i.e. a problem with a fixed rigth hand side. Then we use a direct variational method and next a mountain pass approach in order...
Periodic solutions of a resonant higher order equation.
Amster, P., de Nápoli, P., Mariani, M.C. (2005)
Portugaliae Mathematica. Nova Série
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