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Author ID: fonda.alessandro Recent zbMATH articles by "Fonda, Alessandro"
Published as: Fonda, Alessandro; Fonda, A.
External Links: MGP · ORCID
Documents Indexed: 108 Publications since 1986, including 3 Books
3 Contributions as Editor
Reviewing Activity: 189 Reviews
Co-Authors: 35 Co-Authors with 96 Joint Publications
667 Co-Co-Authors
all top 5

Serials

15 Journal of Differential Equations
7 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
7 Topological Methods in Nonlinear Analysis
7 Discrete and Continuous Dynamical Systems
6 Proceedings of the American Mathematical Society
6 Advanced Nonlinear Studies
5 Differential and Integral Equations
4 Annali di Matematica Pura ed Applicata. Serie Quarta
3 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
3 NoDEA. Nonlinear Differential Equations and Applications
3 Handbook of Differential Equations
2 Journal of Mathematical Analysis and Applications
2 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire
2 Celestial Mechanics and Dynamical Astronomy
2 Rapport. Séminaire de Mathématique. Nouvelle Série
2 Mediterranean Journal of Mathematics
2 Advances in Nonlinear Analysis
2 Nonlinear Analysis. Theory, Methods & Applications
1 Israel Journal of Mathematics
1 Mathematics Magazine
1 Archiv der Mathematik
1 Bulletin of the London Mathematical Society
1 Commentationes Mathematicae Universitatis Carolinae
1 Journal of Computational and Applied Mathematics
1 Publicationes Mathematicae Debrecen
1 Rendiconti del Circolo Matemàtico di Palermo. Serie II
1 Bulletin de la Classe des Sciences. 5e Série
1 Journal de Mathématiques Pures et Appliquées. Neuvième Série
1 SIAM Journal on Mathematical Analysis
1 Bollettino della Unione Matemàtica Italiana. Serie VII. A
1 Journal of Dynamics and Differential Equations
1 Mémoire de la Classe des Sciences. Collection Octavo. 3e Série
1 Advances in Differential Equations
1 Communications in Contemporary Mathematics
1 Nonlinear Analysis. Real World Applications
1 Portugaliae Mathematica. Nova Série
1 Comptes Rendus. Mathématique. Académie des Sciences, Paris
1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie V
1 Journal of Fixed Point Theory and Applications
1 Ars Mathematica Contemporanea
1 Pure and Applied Functional Analysis
1 Compact Textbooks in Mathematics
1 Birkhäuser Advanced Texts. Basler Lehrbücher

Publications by Year

Citations contained in zbMATH Open

95 Publications have been cited 1,286 times in 742 Documents Cited by Year
Handbook of differential equations: Ordinary differential equations. Vol. III. Zbl 1107.34002
152
2006
Subharmonic solutions for some second-order differential equations with singularities. Zbl 0787.34035
Fonda, Alessandro; Manásevich, Raúl; Zanolin, Fabio
94
1993
Uniformly persistent semidynamical systems. Zbl 0667.34065
Fonda, Alessandro
49
1988
Periodic orbits of radially symmetric Keplerian-like systems: a topological degree approach. Zbl 1168.34031
Fonda, Alessandro; Toader, Rodica
45
2008
A higher dimensional Poincaré-Birkhoff theorem for Hamiltonian flows. Zbl 1442.37076
Fonda, Alessandro; Ureña, Antonio J.
40
2017
Periodic solutions of perturbed Hamiltonian systems in the plane by the use of the Poincaré-Birkhoff theorem. Zbl 1277.34046
Fonda, Alessandro; Sabatini, Marco; Zanolin, Fabio
34
2012
Nonlinear resonance in asymmetric oscillators. Zbl 0915.34033
Fabry, Christian; Fonda, Alessandro
33
1998
Periodic solutions of asymptotically positively homogeneous differential equations. Zbl 0692.34041
Fonda, Alessandro; Habets, Patrick
32
1989
Subharmonic solutions of conservative systems with nonconvex potentials. Zbl 0752.34027
Fonda, A.; Lazer, A. C.
27
1992
Periodic solutions of weakly coupled superlinear systems. Zbl 1351.34046
Fonda, Alessandro; Sfecci, Andrea
27
2016
Periodic solutions of radially symmetric perturbations of Newtonian systems. Zbl 1248.34051
Fonda, Alessandro; Toader, Rodica
26
2012
Periodic, subharmonic, and quasi-periodic oscillations under the action of a central force. Zbl 1231.34073
Fonda, Alessandro; Ureña, Antonio J.
23
2011
Periodic perturbations of Hamiltonian systems. Zbl 1353.37124
Fonda, Alessandro; Garrione, Maurizio; Gidoni, Paolo
23
2016
On the use of time-maps for the solvability of nonlinear boundary value problems. Zbl 0766.34012
Fonda, Alessandro; Zanolin, Fabio
22
1992
Radially symmetric systems with a singularity and asymptotically linear growth. Zbl 1218.34047
Fonda, Alessandro; Toader, Rodica
22
2011
Periodic oscillations for a nonlinear suspension bridge model. Zbl 0810.73030
Fonda, Alessandro; Schneider, Zdenek; Zanolin, Fabio
21
1994
Periodic solutions of nonlinear differential equations with double resonance. Zbl 0729.34025
Fabry, C.; Fonda, A.
20
1990
Guiding functions and periodic solutions to functional differential equations. Zbl 0616.34038
Fonda, Alessandro
19
1987
Subharmonic oscillations of forced pendulum-type equations. Zbl 0708.34028
Fonda, A.; Willem, M.
19
1989
Large-amplitude subharmonic oscillations for scalar second-order differential equations with asymmetric nonlinearities. Zbl 0798.34048
Fonda, A.; Ramos, M.
18
1994
Positively homogeneous Hamiltonian systems in the plane. Zbl 1068.34035
Fonda, Alessandro
18
2004
On a singular periodic Ambrosetti-Prodi problem. Zbl 1385.34030
Fonda, Alessandro; Sfecci, Andrea
18
2017
A general method for the existence of periodic solutions of differential systems in the plane. Zbl 1237.34079
Fonda, Alessandro; Sfecci, Andrea
18
2012
Handbook of differential equations: Ordinary differential equations. Vol. I. Zbl 1067.34001
17
2004
Periodic solutions of singular radially symmetric systems with superlinear growth. Zbl 1251.34056
Fonda, Alessandro; Toader, Rodica; Zanolin, Fabio
17
2012
Periodic orbits of radially symmetric systems with a singularity: the repulsive case. Zbl 1241.34048
Fonda, Alessandro; Toader, Rodica
17
2011
Subharmonic solutions of Hamiltonian systems displaying some kind of sublinear growth. Zbl 1419.37059
Fonda, Alessandro; Toader, Rodica
16
2019
Quadratic forms, weighted eigenfunctions and boundary value problems for nonlinear second order ordinary differential equations. Zbl 0677.34022
Fonda, Alessandro; Mawhin, Jean
16
1989
Generalizing the Poincaré-Miranda theorem: the avoiding cones condition. Zbl 1386.55004
Fonda, Alessandro; Gidoni, Paolo
16
2016
Double resonance with Landesman-Lazer conditions for planar systems of ordinary differential equations. Zbl 1227.34037
Fonda, Alessandro; Garrione, Maurizio
14
2011
Subharmonic solutions for second order differential equations. Zbl 0803.34029
Fonda, A.; Ramos, M.; Willem, M.
14
1993
Iterative and variational methods for the solvability of some semilinear equations in Hilbert spaces. Zbl 0761.34047
Fonda, Alessandro; Mawhin, Jean
12
1992
Lower semicontinuous perturbations of maximal monotone differential inclusions. Zbl 0661.47038
Colombo, Giovanni; Fonda, Alessandro; Ornelas, António
12
1988
Multiple periodic solutions of conservative systems with periodic nonlinearity. Zbl 0718.34054
Fonda, A.; Mawhin, J.
12
1989
Periodic solutions of pendulum-like Hamiltonian systems in the plane. Zbl 1264.34078
Fonda, Alessandro; Toader, Rodica
12
2012
Playing around resonance. An invitation to the search of periodic solutions for second order ordinary differential equations. Zbl 1364.34004
Fonda, Alessandro
12
2016
A Landesman-Lazer type condition for asymptotically linear second-order equations with a singularity. Zbl 1400.34063
Fonda, Alessandro; Garrione, Maurizio
11
2012
Periodic solutions of a system of coupled oscillators with one-sided superlinear retraction forces. Zbl 1274.34125
Fonda, Alessandro; Sfecci, Andrea
11
2012
Periodic solutions of perturbed isochronous Hamiltonian systems at resonance. Zbl 1080.34020
Fabry, Christian; Fonda, Alessandro
10
2005
Periodic solutions for a conservative system of differential equations with a singularity of repulsive type. Zbl 0830.34033
Fonda, Alessandro
10
1995
Nonlinear resonance: a comparison between Landesman-Lazer and Ahmad-Lazer-Paul conditions. Zbl 1222.34024
Fonda, Alessandro; Garrione, Maurizio
10
2011
Planar differential systems at resonance. Zbl 1155.34020
Fonda, Alessandro; Mawhin, Jean
10
2006
On the existence of periodic solutions for scalar second order differential equations when only the asymptotic behaviour of the potential is known. Zbl 0782.34047
Fonda, Alessandro
9
1993
Handbook of differential equations: Ordinary differential equations. Vol. II. Zbl 1074.34003
9
2005
Unbounded motions of perturbed isochronous Hamiltonian systems at resonance. Zbl 1088.34027
Fabry, Christian; Fonda, Alessandro
9
2005
Multiple periodic solutions of Hamiltonian systems confined in a box. Zbl 1373.37147
Fonda, Alessandro; Sfecci, Andrea
9
2017
Periodic solutions of scalar second order differential equations with a singularity. Zbl 1221.34110
Fonda, Alessandro
9
1993
Well-ordered and non-well-ordered lower and upper solutions for periodic planar systems. Zbl 1471.34074
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
9
2021
Coupling linearity and twist: an extension of the Poincaré-Birkhoff theorem for Hamiltonian systems. Zbl 1454.37057
Fonda, Alessandro; Gidoni, Paolo
8
2020
Multiple periodic solutions of scalar second order differential equations. Zbl 1245.34049
Fonda, Alessandro; Ghirardelli, Luca
8
2010
Radial periodic perturbations of the Kepler problem. Zbl 1375.34067
Fonda, Alessandro; Gallo, Anna Chiara
8
2017
An avoiding cones condition for the Poincaré-Birkhoff theorem. Zbl 1369.37064
Fonda, Alessandro; Gidoni, Paolo
8
2017
A dynamical approach to lower and upper solutions for planar systems. “To the memory of Massimo Tarallo”. Zbl 1478.34043
Fonda, Alessandro; Toader, Rodica
8
2021
Periodic oscillations of forced pendulums with very small length. Zbl 0865.34033
Fonda, Alessandro; Zanolin, Fabio
7
1997
Multiple periodic solutions of Hamiltonian systems in the plane. Zbl 1221.34111
Fonda, Alessandro; Ghirardelli, Luca
7
2010
Periodic perturbations with rotational symmetry of planar systems driven by a central force. Zbl 1392.34045
Fonda, Alessandro; Gallo, Anna Chiara
7
2018
Periodic bouncing solutions for nonlinear impact oscillators. Zbl 1278.34039
Fonda, Alessandro; Sfecci, Andrea
7
2013
Periodic solutions of second-order differential equations in Hilbert spaces. Zbl 1482.34110
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
7
2021
Periodic solutions to second order differential equations of Liénard type with jumping nonlinearities. Zbl 0625.34046
Fonda, Alessandro; Zanolin, Fabio
6
1987
Semicoercive variational problems at resonance: An abstract approach. Zbl 0727.35056
Fonda, A.; Gossez, J.-P.
6
1990
An infinite-dimensional version of the Poincaré-Birkhoff theorem on the Hilbert cube. Zbl 07328847
Boscaggin, Alberto; Fonda, Alessandro; Garrione, Maurizio
6
2020
A higher-dimensional Poincaré-Birkhoff theorem without monotone twist. (Un théorème de Poincaré-Birkhoff en plusieurs dimensions sans torsion monotone.) Zbl 1382.37054
Fonda, Alessandro; Ureña, Antonio J.
6
2016
Periodic motions in a gravitational central field with a rotating external force. Zbl 1266.34070
Fonda, Alessandro; Toader, Rodica; Torres, Pedro J.
6
2012
A Poincaré-Birkhoff theorem for Hamiltonian flows on nonconvex domains. Zbl 1423.37056
Fonda, Alessandro; Ureña, Antonio J.
5
2019
On a nonresonance condition for a semilinear elliptic problem. Zbl 0735.35054
Fonda, Alessandro; Gossez, Jean-Pierre; Zanolin, Fabio
4
1991
Nonlinear equations at resonance and generalized eigenvalue problems. Zbl 0756.34079
Fabry, C.; Fonda, A.
4
1992
Periodic perturbations of scalar second order differential equations. Zbl 0951.34024
Buttazzoni, Paola; Fonda, Alessandro
4
1997
Bounded solutions of nonlinear second order ordinary differential equations. Zbl 0954.34027
Fonda, Alessandro; Zanolin, Fabio
4
1998
An iterative method for the solvability of semilinear equations in Hilbert spaces and applications. Zbl 0813.47077
Fonda, A.; Mawhin, J.
4
1992
A multiplicity result for periodic solutions of second-order differential equations with a singularity. Zbl 1278.34038
Boscaggin, Alberto; Fonda, Alessandro; Garrione, Maurizio
4
2012
Periodic solutions of nearly integrable Hamiltonian systems bifurcating from infinite-dimensional tori. Zbl 1451.37092
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
3
2020
Bifurcations from infinity in asymmetric nonlinear oscillators. Zbl 0979.34033
Fabry, Christian; Fonda, Alessandro
3
2000
Positively homogeneous equations in the plane. Zbl 1079.34011
Fonda, Alessandro; Ortega, Rafael
3
2000
Semilinear equations at resonance with non-symmetric linear part. Zbl 0859.47041
Fabry, C.; Fonda, A.; Munyamarere, F.
3
1993
A continuous version of Liapunov’s convexity theorem. Zbl 0647.28002
Cellina, Arrigo; Colombo, Giovanni; Fonda, Alessandro
3
1988
Multiple periodic solutions of infinite-dimensional pendulum-like equations. Zbl 1457.34066
Fonda, Alessandro; Mawhin, Jean; Willem, Michel
3
2020
Generalized Sturm Liouville boundary conditions for first order differential systems in the plane. Zbl 1312.34054
Fonda, Alessandro; Garrione, Maurizio
3
2013
Two-point boundary value problems for planar systems: a lower and upper solutions approach. Zbl 1492.34023
Fonda, Alessandro; Sfecci, Andrea; Toader, Rodica
3
2022
On the Dirichlet problem associated with bounded perturbations of positively-\((p, q)\)-homogeneous Hamiltonian systems. Zbl 1525.34049
Fonda, Alessandro; Klun, Giuliano; Obersnel, Franco; Sfecci, Andrea
3
2022
Lower and upper solutions to semilinear boundary value problems: an abstract approach. Zbl 1243.35030
Fonda, Alessandro; Toader, Rodica
3
2011
On the topological degree of planar maps avoiding normal cones. Zbl 07130721
Fonda, Alessandro; Klun, Giuliano
2
2019
Topological degree and generalized asymmetric oscillators. Zbl 1105.37036
Fonda, Alessandro
2
2006
Approximate selections and fixed points for upper semicontinuous maps with decomposable values. Zbl 0606.54018
Cellina, Arrigo; Colombo, Giovanni; Fonda, Alessandro
2
1986
An extension of the Poincaré-Birkhoff theorem coupling twist with lower and upper solutions. Zbl 07732459
Fonda, Alessandro; Garzón, Manuel; Sfecci, Andrea
2
2023
A generalization of the parallelogram law to higher dimensions. Zbl 1423.51009
Fonda, Alessandro
1
2019
A permanence theorem for local dynamical systems. Zbl 1373.37082
Fonda, Alessandro; Gidoni, Paolo
1
2015
Asymmetric nonlinear oscillators. Zbl 0993.34037
Fabry, Christian; Fonda, Alessandro
1
2001
Periodic oscillations for a suspension bridge model. (Abstract). Zbl 0850.34019
Fonda, A.; Schneider, Z.; Zanolin, F.
1
1992
Periodic solutions of second order ordinary differential equations. Zbl 0706.34038
Fonda, Alessandro; Lupo, Daniela
1
1989
The Kurzweil-Henstock integral for undergraduates. A promenade along the marvelous theory of integration. Zbl 1410.26007
Fonda, Alessandro
1
2018
A systematic approach to nonresonance conditions for periodically forced planar Hamiltonian systems. Zbl 1501.34040
Fabry, Christian; Fonda, Alessandro
1
2022
A lower/upper solutions result for generalised radial \(p\)-Laplacian boundary value problems. Zbl 1506.34040
Fonda, Alessandro; Mamo, Natnael Gezahegn; Obersnel, Franco; Sfecci, Andrea
1
2023
On Dini derivatives of real functions. Zbl 07650964
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
1
2023
A two-point boundary value problem associated with Hamiltonian systems on a cylinder. Zbl 07783227
Fonda, Alessandro; Ortega, Rafael
1
2023
Periodic solutions of Hamiltonian systems coupling twist with generalized lower/upper solutions. Zbl 07791810
Fonda, Alessandro; Ullah, Wahid
1
2024
Periodic solutions of Hamiltonian systems coupling twist with generalized lower/upper solutions. Zbl 07791810
Fonda, Alessandro; Ullah, Wahid
1
2024
An extension of the Poincaré-Birkhoff theorem coupling twist with lower and upper solutions. Zbl 07732459
Fonda, Alessandro; Garzón, Manuel; Sfecci, Andrea
2
2023
A lower/upper solutions result for generalised radial \(p\)-Laplacian boundary value problems. Zbl 1506.34040
Fonda, Alessandro; Mamo, Natnael Gezahegn; Obersnel, Franco; Sfecci, Andrea
1
2023
On Dini derivatives of real functions. Zbl 07650964
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
1
2023
A two-point boundary value problem associated with Hamiltonian systems on a cylinder. Zbl 07783227
Fonda, Alessandro; Ortega, Rafael
1
2023
Two-point boundary value problems for planar systems: a lower and upper solutions approach. Zbl 1492.34023
Fonda, Alessandro; Sfecci, Andrea; Toader, Rodica
3
2022
On the Dirichlet problem associated with bounded perturbations of positively-\((p, q)\)-homogeneous Hamiltonian systems. Zbl 1525.34049
Fonda, Alessandro; Klun, Giuliano; Obersnel, Franco; Sfecci, Andrea
3
2022
A systematic approach to nonresonance conditions for periodically forced planar Hamiltonian systems. Zbl 1501.34040
Fabry, Christian; Fonda, Alessandro
1
2022
Well-ordered and non-well-ordered lower and upper solutions for periodic planar systems. Zbl 1471.34074
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
9
2021
A dynamical approach to lower and upper solutions for planar systems. “To the memory of Massimo Tarallo”. Zbl 1478.34043
Fonda, Alessandro; Toader, Rodica
8
2021
Periodic solutions of second-order differential equations in Hilbert spaces. Zbl 1482.34110
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
7
2021
Coupling linearity and twist: an extension of the Poincaré-Birkhoff theorem for Hamiltonian systems. Zbl 1454.37057
Fonda, Alessandro; Gidoni, Paolo
8
2020
An infinite-dimensional version of the Poincaré-Birkhoff theorem on the Hilbert cube. Zbl 07328847
Boscaggin, Alberto; Fonda, Alessandro; Garrione, Maurizio
6
2020
Periodic solutions of nearly integrable Hamiltonian systems bifurcating from infinite-dimensional tori. Zbl 1451.37092
Fonda, Alessandro; Klun, Giuliano; Sfecci, Andrea
3
2020
Multiple periodic solutions of infinite-dimensional pendulum-like equations. Zbl 1457.34066
Fonda, Alessandro; Mawhin, Jean; Willem, Michel
3
2020
Subharmonic solutions of Hamiltonian systems displaying some kind of sublinear growth. Zbl 1419.37059
Fonda, Alessandro; Toader, Rodica
16
2019
A Poincaré-Birkhoff theorem for Hamiltonian flows on nonconvex domains. Zbl 1423.37056
Fonda, Alessandro; Ureña, Antonio J.
5
2019
On the topological degree of planar maps avoiding normal cones. Zbl 07130721
Fonda, Alessandro; Klun, Giuliano
2
2019
A generalization of the parallelogram law to higher dimensions. Zbl 1423.51009
Fonda, Alessandro
1
2019
Periodic perturbations with rotational symmetry of planar systems driven by a central force. Zbl 1392.34045
Fonda, Alessandro; Gallo, Anna Chiara
7
2018
The Kurzweil-Henstock integral for undergraduates. A promenade along the marvelous theory of integration. Zbl 1410.26007
Fonda, Alessandro
1
2018
A higher dimensional Poincaré-Birkhoff theorem for Hamiltonian flows. Zbl 1442.37076
Fonda, Alessandro; Ureña, Antonio J.
40
2017
On a singular periodic Ambrosetti-Prodi problem. Zbl 1385.34030
Fonda, Alessandro; Sfecci, Andrea
18
2017
Multiple periodic solutions of Hamiltonian systems confined in a box. Zbl 1373.37147
Fonda, Alessandro; Sfecci, Andrea
9
2017
Radial periodic perturbations of the Kepler problem. Zbl 1375.34067
Fonda, Alessandro; Gallo, Anna Chiara
8
2017
An avoiding cones condition for the Poincaré-Birkhoff theorem. Zbl 1369.37064
Fonda, Alessandro; Gidoni, Paolo
8
2017
Periodic solutions of weakly coupled superlinear systems. Zbl 1351.34046
Fonda, Alessandro; Sfecci, Andrea
27
2016
Periodic perturbations of Hamiltonian systems. Zbl 1353.37124
Fonda, Alessandro; Garrione, Maurizio; Gidoni, Paolo
23
2016
Generalizing the Poincaré-Miranda theorem: the avoiding cones condition. Zbl 1386.55004
Fonda, Alessandro; Gidoni, Paolo
16
2016
Playing around resonance. An invitation to the search of periodic solutions for second order ordinary differential equations. Zbl 1364.34004
Fonda, Alessandro
12
2016
A higher-dimensional Poincaré-Birkhoff theorem without monotone twist. (Un théorème de Poincaré-Birkhoff en plusieurs dimensions sans torsion monotone.) Zbl 1382.37054
Fonda, Alessandro; Ureña, Antonio J.
6
2016
A permanence theorem for local dynamical systems. Zbl 1373.37082
Fonda, Alessandro; Gidoni, Paolo
1
2015
Periodic bouncing solutions for nonlinear impact oscillators. Zbl 1278.34039
Fonda, Alessandro; Sfecci, Andrea
7
2013
Generalized Sturm Liouville boundary conditions for first order differential systems in the plane. Zbl 1312.34054
Fonda, Alessandro; Garrione, Maurizio
3
2013
Periodic solutions of perturbed Hamiltonian systems in the plane by the use of the Poincaré-Birkhoff theorem. Zbl 1277.34046
Fonda, Alessandro; Sabatini, Marco; Zanolin, Fabio
34
2012
Periodic solutions of radially symmetric perturbations of Newtonian systems. Zbl 1248.34051
Fonda, Alessandro; Toader, Rodica
26
2012
A general method for the existence of periodic solutions of differential systems in the plane. Zbl 1237.34079
Fonda, Alessandro; Sfecci, Andrea
18
2012
Periodic solutions of singular radially symmetric systems with superlinear growth. Zbl 1251.34056
Fonda, Alessandro; Toader, Rodica; Zanolin, Fabio
17
2012
Periodic solutions of pendulum-like Hamiltonian systems in the plane. Zbl 1264.34078
Fonda, Alessandro; Toader, Rodica
12
2012
A Landesman-Lazer type condition for asymptotically linear second-order equations with a singularity. Zbl 1400.34063
Fonda, Alessandro; Garrione, Maurizio
11
2012
Periodic solutions of a system of coupled oscillators with one-sided superlinear retraction forces. Zbl 1274.34125
Fonda, Alessandro; Sfecci, Andrea
11
2012
Periodic motions in a gravitational central field with a rotating external force. Zbl 1266.34070
Fonda, Alessandro; Toader, Rodica; Torres, Pedro J.
6
2012
A multiplicity result for periodic solutions of second-order differential equations with a singularity. Zbl 1278.34038
Boscaggin, Alberto; Fonda, Alessandro; Garrione, Maurizio
4
2012
Periodic, subharmonic, and quasi-periodic oscillations under the action of a central force. Zbl 1231.34073
Fonda, Alessandro; Ureña, Antonio J.
23
2011
Radially symmetric systems with a singularity and asymptotically linear growth. Zbl 1218.34047
Fonda, Alessandro; Toader, Rodica
22
2011
Periodic orbits of radially symmetric systems with a singularity: the repulsive case. Zbl 1241.34048
Fonda, Alessandro; Toader, Rodica
17
2011
Double resonance with Landesman-Lazer conditions for planar systems of ordinary differential equations. Zbl 1227.34037
Fonda, Alessandro; Garrione, Maurizio
14
2011
Nonlinear resonance: a comparison between Landesman-Lazer and Ahmad-Lazer-Paul conditions. Zbl 1222.34024
Fonda, Alessandro; Garrione, Maurizio
10
2011
Lower and upper solutions to semilinear boundary value problems: an abstract approach. Zbl 1243.35030
Fonda, Alessandro; Toader, Rodica
3
2011
Multiple periodic solutions of scalar second order differential equations. Zbl 1245.34049
Fonda, Alessandro; Ghirardelli, Luca
8
2010
Multiple periodic solutions of Hamiltonian systems in the plane. Zbl 1221.34111
Fonda, Alessandro; Ghirardelli, Luca
7
2010
Periodic orbits of radially symmetric Keplerian-like systems: a topological degree approach. Zbl 1168.34031
Fonda, Alessandro; Toader, Rodica
45
2008
Handbook of differential equations: Ordinary differential equations. Vol. III. Zbl 1107.34002
152
2006
Planar differential systems at resonance. Zbl 1155.34020
Fonda, Alessandro; Mawhin, Jean
10
2006
Topological degree and generalized asymmetric oscillators. Zbl 1105.37036
Fonda, Alessandro
2
2006
Periodic solutions of perturbed isochronous Hamiltonian systems at resonance. Zbl 1080.34020
Fabry, Christian; Fonda, Alessandro
10
2005
Handbook of differential equations: Ordinary differential equations. Vol. II. Zbl 1074.34003
9
2005
Unbounded motions of perturbed isochronous Hamiltonian systems at resonance. Zbl 1088.34027
Fabry, Christian; Fonda, Alessandro
9
2005
Positively homogeneous Hamiltonian systems in the plane. Zbl 1068.34035
Fonda, Alessandro
18
2004
Handbook of differential equations: Ordinary differential equations. Vol. I. Zbl 1067.34001
17
2004
Asymmetric nonlinear oscillators. Zbl 0993.34037
Fabry, Christian; Fonda, Alessandro
1
2001
Bifurcations from infinity in asymmetric nonlinear oscillators. Zbl 0979.34033
Fabry, Christian; Fonda, Alessandro
3
2000
Positively homogeneous equations in the plane. Zbl 1079.34011
Fonda, Alessandro; Ortega, Rafael
3
2000
Nonlinear resonance in asymmetric oscillators. Zbl 0915.34033
Fabry, Christian; Fonda, Alessandro
33
1998
Bounded solutions of nonlinear second order ordinary differential equations. Zbl 0954.34027
Fonda, Alessandro; Zanolin, Fabio
4
1998
Periodic oscillations of forced pendulums with very small length. Zbl 0865.34033
Fonda, Alessandro; Zanolin, Fabio
7
1997
Periodic perturbations of scalar second order differential equations. Zbl 0951.34024
Buttazzoni, Paola; Fonda, Alessandro
4
1997
Periodic solutions for a conservative system of differential equations with a singularity of repulsive type. Zbl 0830.34033
Fonda, Alessandro
10
1995
Periodic oscillations for a nonlinear suspension bridge model. Zbl 0810.73030
Fonda, Alessandro; Schneider, Zdenek; Zanolin, Fabio
21
1994
Large-amplitude subharmonic oscillations for scalar second-order differential equations with asymmetric nonlinearities. Zbl 0798.34048
Fonda, A.; Ramos, M.
18
1994
Subharmonic solutions for some second-order differential equations with singularities. Zbl 0787.34035
Fonda, Alessandro; Manásevich, Raúl; Zanolin, Fabio
94
1993
Subharmonic solutions for second order differential equations. Zbl 0803.34029
Fonda, A.; Ramos, M.; Willem, M.
14
1993
On the existence of periodic solutions for scalar second order differential equations when only the asymptotic behaviour of the potential is known. Zbl 0782.34047
Fonda, Alessandro
9
1993
Periodic solutions of scalar second order differential equations with a singularity. Zbl 1221.34110
Fonda, Alessandro
9
1993
Semilinear equations at resonance with non-symmetric linear part. Zbl 0859.47041
Fabry, C.; Fonda, A.; Munyamarere, F.
3
1993
Subharmonic solutions of conservative systems with nonconvex potentials. Zbl 0752.34027
Fonda, A.; Lazer, A. C.
27
1992
On the use of time-maps for the solvability of nonlinear boundary value problems. Zbl 0766.34012
Fonda, Alessandro; Zanolin, Fabio
22
1992
Iterative and variational methods for the solvability of some semilinear equations in Hilbert spaces. Zbl 0761.34047
Fonda, Alessandro; Mawhin, Jean
12
1992
Nonlinear equations at resonance and generalized eigenvalue problems. Zbl 0756.34079
Fabry, C.; Fonda, A.
4
1992
An iterative method for the solvability of semilinear equations in Hilbert spaces and applications. Zbl 0813.47077
Fonda, A.; Mawhin, J.
4
1992
Periodic oscillations for a suspension bridge model. (Abstract). Zbl 0850.34019
Fonda, A.; Schneider, Z.; Zanolin, F.
1
1992
On a nonresonance condition for a semilinear elliptic problem. Zbl 0735.35054
Fonda, Alessandro; Gossez, Jean-Pierre; Zanolin, Fabio
4
1991
Periodic solutions of nonlinear differential equations with double resonance. Zbl 0729.34025
Fabry, C.; Fonda, A.
20
1990
Semicoercive variational problems at resonance: An abstract approach. Zbl 0727.35056
Fonda, A.; Gossez, J.-P.
6
1990
Periodic solutions of asymptotically positively homogeneous differential equations. Zbl 0692.34041
Fonda, Alessandro; Habets, Patrick
32
1989
Subharmonic oscillations of forced pendulum-type equations. Zbl 0708.34028
Fonda, A.; Willem, M.
19
1989
Quadratic forms, weighted eigenfunctions and boundary value problems for nonlinear second order ordinary differential equations. Zbl 0677.34022
Fonda, Alessandro; Mawhin, Jean
16
1989
Multiple periodic solutions of conservative systems with periodic nonlinearity. Zbl 0718.34054
Fonda, A.; Mawhin, J.
12
1989
Periodic solutions of second order ordinary differential equations. Zbl 0706.34038
Fonda, Alessandro; Lupo, Daniela
1
1989
Uniformly persistent semidynamical systems. Zbl 0667.34065
Fonda, Alessandro
49
1988
Lower semicontinuous perturbations of maximal monotone differential inclusions. Zbl 0661.47038
Colombo, Giovanni; Fonda, Alessandro; Ornelas, António
12
1988
A continuous version of Liapunov’s convexity theorem. Zbl 0647.28002
Cellina, Arrigo; Colombo, Giovanni; Fonda, Alessandro
3
1988
Guiding functions and periodic solutions to functional differential equations. Zbl 0616.34038
Fonda, Alessandro
19
1987
Periodic solutions to second order differential equations of Liénard type with jumping nonlinearities. Zbl 0625.34046
Fonda, Alessandro; Zanolin, Fabio
6
1987
Approximate selections and fixed points for upper semicontinuous maps with decomposable values. Zbl 0606.54018
Cellina, Arrigo; Colombo, Giovanni; Fonda, Alessandro
2
1986
all top 5

Cited by 785 Authors

51 Fonda, Alessandro
36 Zanolin, Fabio
23 Cheng, Zhibo
21 Sfecci, Andrea
18 Lu, Shiping
18 Wang, Zaihong
15 Boscaggin, Alberto
15 Liang, Zaitao
15 Qian, Dingbian
14 Garrione, Maurizio
14 Torres, Pedro José
12 Chu, Jifeng
12 Mawhin, Jean
12 Walther, Hans-Otto
11 Li, Shengjun
11 Zhang, Meirong
10 Kong, Fanchao
10 Kornev, Sergeĭ Viktorovich
10 Omari, Pierpaolo
10 Toader, Rodica
10 Xin, Yun
9 Ma, Tiantian
9 Obukhovskiĭ, Valeriĭ Vladimirovich
9 Ortega, Rafael
8 Feltrin, Guglielmo
8 Gidoni, Paolo
8 Lv, Yunfei
8 Rebelo, Carlota
8 Rezunenko, Oleksandr V”yacheslavovych
8 Yang, Xiaojing
8 Yuan, Rong
8 Zhang, Ziheng
7 Klun, Giuliano
7 Rachůnková, Irena
7 Wu, Jianhong
7 Yu, Xingchen
6 Fabry, Christian
6 Hernández, Eduardo M.
6 Humphries, Antony R.
6 Li, Xiong
6 Liao, Fangfang
6 Ma, Ruyun
6 Malík, Josef
6 O’Regan, Donal
6 Ren, Jingli
6 Valls Anglés, Cláudia
6 Yao, Shaowen
6 Zamora, Manuel
5 Gossez, Jean-Pierre
5 Han, Maoan
5 Hartung, Ferenc
5 Llibre, Jaume
5 López-Gómez, Julián
5 Margheri, Alessandro
5 Muñoz-Hernández, Eduardo
5 Obersnel, Franco
5 Pei, Yongzhen
5 Wang, Shuang
4 Agarwal, Ravi P.
4 Amster, Pablo
4 Capietto, Anna
4 Dambrosio, Walter
4 Drábek, Pavel
4 Freedman, Herbert Irving
4 Ge, Weigao
4 Li, Xiaodi
4 Li, Yong
4 Liu, Bin
4 Liu, Chunlian
4 Luo, Zhiguo
4 Malaguti, Luisa
4 Nguyen Van Loi
4 Papageorgiou, Nikolaos S.
4 Staicu, Vasile
4 Tang, Chun-Lei
4 Wang, Feng
4 Yan, Ping
3 Alves, Claudianor Oliveira
3 Bartsch, Thomas J.
3 Benedetti, Irene
3 Chen, Lijuan
3 Cid, José Ángel
3 Ding, Tongren
3 Ding, Wei
3 Dondè, Tobia
3 Fernandes, Denis
3 Fernandes, M. Lourdes C.
3 Gallo, Anna Chiara
3 Girejko, Ewa
3 Godoy, José
3 Guo, Yuanzhi
3 Habets, Patrick
3 Henríquez, Hernán R.
3 Jiang, Daqing
3 Jiang, Meiyue
3 Kiguradze, Ivan Tarielovich
3 Krauskopf, Bernd
3 Levashova, Natalia T.
3 Li, Jin
3 Liu, Qihuai
...and 685 more Authors
all top 5

Cited in 179 Serials

74 Journal of Differential Equations
57 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
54 Journal of Mathematical Analysis and Applications
23 Nonlinear Analysis. Theory, Methods & Applications
21 Boundary Value Problems
18 Journal of Dynamics and Differential Equations
17 Nonlinear Analysis. Real World Applications
17 Advances in Difference Equations
15 Journal of Fixed Point Theory and Applications
13 NoDEA. Nonlinear Differential Equations and Applications
12 Proceedings of the American Mathematical Society
12 Discrete and Continuous Dynamical Systems
12 Advanced Nonlinear Studies
11 Applied Mathematics and Computation
9 Annali di Matematica Pura ed Applicata. Serie Quarta
9 Abstract and Applied Analysis
9 Discrete and Continuous Dynamical Systems. Series B
8 Mathematical Methods in the Applied Sciences
8 Applications of Mathematics
8 Topological Methods in Nonlinear Analysis
7 Journal of Mathematical Biology
7 Applied Mathematics Letters
7 Communications in Contemporary Mathematics
7 Communications on Pure and Applied Analysis
6 Discrete and Continuous Dynamical Systems. Series S
6 Advances in Nonlinear Analysis
5 Computers & Mathematics with Applications
5 Rocky Mountain Journal of Mathematics
5 Transactions of the American Mathematical Society
5 Mathematical and Computer Modelling
5 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
5 Acta Mathematica Sinica. English Series
5 Mediterranean Journal of Mathematics
5 Open Mathematics
5 AIMS Mathematics
4 Nonlinearity
4 ZAMP. Zeitschrift für angewandte Mathematik und Physik
4 Monatshefte für Mathematik
4 Proceedings of the Edinburgh Mathematical Society. Series II
4 Results in Mathematics
4 Acta Applicandae Mathematicae
4 Celestial Mechanics and Dynamical Astronomy
4 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering
4 Journal of Inequalities and Applications
4 Qualitative Theory of Dynamical Systems
4 Differential Equations
3 Applicable Analysis
3 Bulletin of the Australian Mathematical Society
3 Mathematical Biosciences
3 Chaos, Solitons and Fractals
3 Applied Mathematics and Optimization
3 Automatica
3 Mathematische Nachrichten
3 Zeitschrift für Analysis und ihre Anwendungen
3 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire
3 SIAM Journal on Mathematical Analysis
3 Russian Mathematics
3 Computational and Applied Mathematics
3 Filomat
3 Discrete Dynamics in Nature and Society
3 Journal of Dynamical and Control Systems
3 Journal of Nonlinear Mathematical Physics
3 SIAM Journal on Applied Dynamical Systems
3 Complex Variables and Elliptic Equations
3 International Journal of Biomathematics
3 Journal of Function Spaces
2 Computer Physics Communications
2 Journal of the Franklin Institute
2 Journal of Mathematical Physics
2 Periodica Mathematica Hungarica
2 Theoretical and Mathematical Physics
2 Annales Polonici Mathematici
2 Archiv der Mathematik
2 Fuzzy Sets and Systems
2 Journal of Computational and Applied Mathematics
2 Journal of Functional Analysis
2 Rendiconti del Circolo Matemàtico di Palermo. Serie II
2 Rendiconti del Seminario Matemàtico e Fisico di Milano
2 Ricerche di Matematica
2 Mathematical Social Sciences
2 Physica D
2 Acta Mathematicae Applicatae Sinica. English Series
2 Neural Networks
2 Automation and Remote Control
2 Journal de Mathématiques Pures et Appliquées. Neuvième Série
2 Journal of Mathematical Sciences (New York)
2 Electronic Journal of Differential Equations (EJDE)
2 Georgian Mathematical Journal
2 Nonlinear Dynamics
2 Chaos
2 The ANZIAM Journal
2 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis
2 Portugaliae Mathematica. Nova Série
2 Acta Mathematica Scientia. Series A. (Chinese Edition)
2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
1 Israel Journal of Mathematics
1 Lithuanian Mathematical Journal
1 Bulletin of Mathematical Biology
1 Journal of Geometry and Physics
1 Bulletin de la Société Mathématique de France
...and 79 more Serials
all top 5

Cited in 36 Fields

582 Ordinary differential equations (34-XX)
182 Operator theory (47-XX)
166 Dynamical systems and ergodic theory (37-XX)
106 Partial differential equations (35-XX)
75 Biology and other natural sciences (92-XX)
46 Mechanics of particles and systems (70-XX)
31 Global analysis, analysis on manifolds (58-XX)
23 Systems theory; control (93-XX)
19 Calculus of variations and optimal control; optimization (49-XX)
15 Mechanics of deformable solids (74-XX)
10 Difference and functional equations (39-XX)
10 Numerical analysis (65-XX)
6 Fluid mechanics (76-XX)
5 Real functions (26-XX)
5 Integral equations (45-XX)
5 Probability theory and stochastic processes (60-XX)
4 Measure and integration (28-XX)
4 Functional analysis (46-XX)
4 General topology (54-XX)
3 Potential theory (31-XX)
3 Convex and discrete geometry (52-XX)
3 Algebraic topology (55-XX)
2 Computer science (68-XX)
2 Optics, electromagnetic theory (78-XX)
2 Game theory, economics, finance, and other social and behavioral sciences (91-XX)
1 History and biography (01-XX)
1 Combinatorics (05-XX)
1 Linear and multilinear algebra; matrix theory (15-XX)
1 Several complex variables and analytic spaces (32-XX)
1 Approximations and expansions (41-XX)
1 Geometry (51-XX)
1 Differential geometry (53-XX)
1 Statistical mechanics, structure of matter (82-XX)
1 Relativity and gravitational theory (83-XX)
1 Operations research, mathematical programming (90-XX)
1 Information and communication theory, circuits (94-XX)

Citations by Year