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Alessandro Fonda
Alessandro Fonda
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Subharmonic solutions for some second-order differential equations with singularities
A Fonda, R Manásevich, F Zanolin
SIAM Journal on Mathematical Analysis 24 (5), 1294-1311, 1993
1631993
Uniformly persistent semidynamical systems
A Fonda
Proceedings of the American Mathematical Society 104 (1), 111-116, 1988
1151988
Nonlinear resonance in asymmetric oscillators
C Fabry, A Fonda
journal of differential equations 147 (1), 58-78, 1998
901998
Periodic solutions of perturbed Hamiltonian systems in the plane by the use of the Poincaré-Birkhoff theorem
A Fonda, M Sabatini, F Zanolin
692012
A higher dimensional Poincaré–Birkhoff theorem for Hamiltonian flows
A Fonda, AJ Ureña
Annales de l'Institut Henri Poincaré C 34 (3), 679-698, 2017
672017
Guiding functions and periodic solutions to functional-differential equations
A Fonda
Proceedings of the American Mathematical Society 99 (1), 79-85, 1987
621987
Periodic solutions of nonlinear differential equations with double resonance
C Fabry, A Fonda
Annali di Matematica Pura ed Applicata 157, 99-116, 1990
601990
Periodic solutions of asymptotically positively homogeneous differential equations
A Fonda, P Habets
Journal of Differential Equations 81 (1), 68-97, 1989
601989
Periodic orbits of radially symmetric Keplerian-like systems: a topological degree approach
A Fonda, R Toader
Journal of Differential Equations 244 (12), 3235-3264, 2008
582008
Periodic oscillations for a nonlinear suspension bridge model
A Fonda, Z Schneider, F Zanolin
Journal of computational and applied mathematics 52 (1-3), 113-140, 1994
581994
Positively homogeneous Hamiltonian systems in the plane
A Fonda
Journal of Differential Equations 200 (1), 162-184, 2004
572004
Iterative and variational methods for the solvability of some semilinear equations in Hilbert spaces
A Fonda, J Mawhin
Journal of differential equations 98 (2), 355-375, 1992
571992
Subharmonic solutions of conservative systems with nonconvex potentials
A Fonda, AC Lazer
Proceedings of the American Mathematical Society 115 (1), 183-190, 1992
571992
Quadratic forms, weighted eigenfunctions and boundary value problems for non-linear second order ordinary differential equations
A Fonda, J Mawhin
Proceedings of the Royal Society of Edinburgh Section A: Mathematics 112 (1 …, 1989
551989
Large-amplitude subharmonic oscillations for scalar second-order differential equations with asymmetric nonlinearities
A Fonda, M Ramos
Journal of differential equations 109 (2), 354-372, 1994
511994
On the use of time-maps for the solvability of nonlinear boundary value problems
A Fonda, F Zanolin
Archiv der Mathematik 59, 245-259, 1992
501992
Subharmonic oscillations of forced pendulum-type equations
A Fonda, M Willem
Journal of Differential Equations 81 (2), 215-220, 1989
441989
Periodic solutions of weakly coupled superlinear systems
A Fonda, A Sfecci
Journal of Differential Equations 260 (3), 2150-2162, 2016
432016
Periodic solutions of scalar second order differential equations with a singularity
A Fonda
391993
Periodic perturbations of Hamiltonian systems
A Fonda, M Garrione, P Gidoni
Advances in Nonlinear Analysis 5 (4), 367-382, 2016
372016
Il sistema al momento non può eseguire l'operazione. Riprova più tardi.
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