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Willem, Michel

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Author ID: willem.michel Recent zbMATH articles by "Willem, Michel"
Published as: Willem, Michel; Willem, M.; Willem, Michael
External Links: MGP · Wikidata
Documents Indexed: 143 Publications since 1978, including 16 Books
all top 5

Serials

12 Rapport. Séminaire de Mathématique. Nouvelle Série
9 Journal of Differential Equations
6 Topological Methods in Nonlinear Analysis
5 Journal of Functional Analysis
5 Proceedings of the American Mathematical Society
5 Nonlinear Analysis. Theory, Methods & Applications
4 Differential and Integral Equations
4 Calculus of Variations and Partial Differential Equations
4 Communications in Contemporary Mathematics
3 Journal d’Analyse Mathématique
3 Journal of Mathematical Analysis and Applications
2 Archive for Rational Mechanics and Analysis
2 Bulletin of the Australian Mathematical Society
2 Bulletin de la Société Matheḿatique de Belgique. Série B
2 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire
2 Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences, Série A
2 Journal of Fixed Point Theory and Applications
1 American Mathematical Monthly
1 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV)
1 Revue des Questions Scientifiques, 5. Série
1 Studia Mathematica
1 ZAMP. Zeitschrift für angewandte Mathematik und Physik
1 Annales des Sciences Mathématiques du Québec
1 Indiana University Mathematics Journal
1 Journal of Computational and Applied Mathematics
1 Journal für die Reine und Angewandte Mathematik
1 Rendiconti dell’Istituto di Matematica dell’Università di Trieste
1 Rivista di Matematica della Università di Parma. Serie IV
1 Zeitschrift für Analysis und ihre Anwendungen
1 Bollettino della Unione Matemàtica Italiana. Serie VI. C. Analisi Funzionale e Applicazioni
1 Communications in Partial Differential Equations
1 SIAM Journal on Mathematical Analysis
1 Bulletin de la Société Mathématique de Belgique. Série A
1 Comptes Rendus de l’Académie des Sciences. Série I
1 Bollettino della Unione Matemàtica Italiana. Serie VI. B
1 Bollettino della Unione Matemàtica Italiana. Serie VII. B
1 Bulletin of the Belgian Mathematical Society - Simon Stevin
1 NoDEA. Nonlinear Differential Equations and Applications
1 Discrete and Continuous Dynamical Systems
1 Journal of the European Mathematical Society (JEMS)
1 Portugaliae Mathematica. Nova Série
1 Advanced Nonlinear Studies
1 Comptes Rendus. Mathématique. Académie des Sciences, Paris
1 Boundary Value Problems
1 Bollettino della Unione Matematica Italiana. Series V. A
1 Applied Mathematical Sciences
1 Contemporary Mathematics
1 Enseignement des Mathématiques (Cassini)
1 Nouvelle Bibliothèque Mathématique
1 Pure and Applied Functional Analysis
1 Progress in Nonlinear Differential Equations and Their Applications
1 Cornerstones
1 L’Academie en Poche

Publications by Year

Citations contained in zbMATH Open

112 Publications have been cited 4,727 times in 3,626 Documents Cited by Year
Minimax theorems. Zbl 0856.49001
Willem, Michel
1996
Critical point theory and Hamiltonian systems. Zbl 0676.58017
Mawhin, Jean; Willem, Michel
1989
Homoclinic orbits for a class of Hamiltonian systems. Zbl 0759.58018
Omana, W.; Willem, M.
148
1992
On an elliptic equation with concave and convex nonlinearities. Zbl 0848.35039
Bartsch, Thomas; Willem, Michel
120
1995
Applications of local linking to critical point theory. Zbl 0820.58012
Li, Shujie; Willem, Michel
116
1995
Partial symmetry of least energy nodal solutions to some variational problems. Zbl 1206.35086
Bartsch, Thomas; Weth, Tobias; Willem, Michel
110
2005
Non-radial ground states for the Hénon equation. Zbl 1160.35415
Smets, Didier; Willem, Michel; Su, Jiabao
110
2002
Infinitely many radial solutions of a semilinear elliptic problem on \(\mathbb{R}^ N\). Zbl 0790.35020
Bartsch, Thomas; Willem, Michel
96
1993
Infinitely many nonradial solutions of a Euclidean scalar field equation. Zbl 0790.35021
Bartsch, Thomas; Willem, Michel
84
1993
Weighted Sobolev embedding with unbounded and decaying radial potentials. Zbl 1220.35026
Su, Jiabao; Wang, Zhi-Qiang; Willem, Michel
80
2007
Partial symmetry and asymptotic behavior for some elliptic variational problems. Zbl 1274.35026
Smets, Didier; Willem, Michel
79
2003
Solitary waves with prescribed speed on infinite lattices. Zbl 0889.34059
Smets, D.; Willem, M.
75
1997
On a Schrödinger equation with periodic potential and spectrum point zero. Zbl 1030.35068
Willem, Michel; Zou, Wenming
71
2003
Multiple solutions of the periodic boundary value problem for some forced pendulum-type equations. Zbl 0557.34036
Mawhin, J.; Willem, M.
70
1984
Nontrivial solution of a semilinear Schrödinger equation. Zbl 0864.35036
Troestler, C.; Willem, M.
65
1996
Nonlinear Schrödinger equations with unbounded and decaying radial potentials. Zbl 1141.35056
Su, Jiabao; Wang, Zhi-Qiang; Willem, Michel
61
2007
Extrema problems with critical Sobolev exponents on unbounded domains. Zbl 0851.49004
Ben-Naoum, A. K.; Troestler, C.; Willem, M.
59
1996
Elliptic problems with critical exponents and Hardy potentials. Zbl 1163.35383
Ruiz, D.; Willem, M.
58
2003
Critical points of convex perturbations of some indefinite quadratic forms and semilinear boundary value problems at resonance. Zbl 0678.35091
Mawhin, J.; Willem, M.
48
1986
Variational methods and semilinear elliptic equations. Zbl 0656.35044
Mawhin, J.; Ward, J. R. jun.; Willem, M.
45
1986
Singular minimization problems. Zbl 0954.35074
Wang, Z.-Q.; Willem, M.
45
2000
Caffarelli–Kohn–Nirenberg inequalities with remainder terms. Zbl 1037.26014
Wang, Zhi-Qiang; Willem, Michel
41
2003
Homoclinic orbits of a Hamiltonian system. Zbl 0997.37041
Ding, Yanheng; Willem, Michel
40
1999
Eigenvalue problems with indefinite weight. Zbl 0931.35121
Szulkin, Andrzej; Willem, Michel
39
1999
A Sobolev inequality with remainder term and critical equations on domains with topology for the polyharmonic operator. Zbl 1059.31006
Bartsch, Thomas; Weth, Tobias; Willem, Michel
37
2003
The Dirichlet problem for superlinear elliptic equations. Zbl 1207.35001
Bartsch, Thomas; Wang, Zhi-Qiang; Willem, Michael
35
2005
A global compactness result for the \(p\)-Laplacian involving critical nonlinearities. Zbl 1193.35051
Mercuri, Carlo; Willem, Michel
34
2010
Functional analysis. Fundamentals and applications. Zbl 1284.46001
Willem, Michel
32
2013
Remarks on a Hardy-Sobolev inequality. Zbl 1035.35020
Secchi, Simone; Smets, Didier; Willem, Michel
30
2003
Oscillations forcees de systèmes hamiltoniens. Zbl 0482.70020
Willem, Michel
28
1981
Multiple solutions of the forced double pendulum equation. Zbl 0683.70022
Fournier, G.; Willem, M.
24
1989
Limit relative category and critical point theory. Zbl 0794.58007
Fournier, G.; Lupo, D.; Ramos, M.; Willem, M.
22
1994
Multiple solutions for asymptotically linear boundary value problems in which the nonlinearity crosses at least one eigenvalue. Zbl 0933.35066
Li, Shujie; Willem, Michel
21
1998
Necessary and sufficient conditions for the solvability of a nonlinear two-point boundary value problem. Zbl 0559.34014
Mawhin, J.; Ward, J. R.; Willem, M.
21
1985
Partial symmetry of vector solutions for elliptic systems. Zbl 1298.35206
Wang, Zhi-Qiang; Willem, Michel
20
2014
Existence and multiplicity results for homogeneous second order differential equations. Zbl 0808.58013
Ben Naoum, A. K.; Troestler, C.; Willem, M.
20
1994
Symmetry of solutions of semilinear elliptic problems. Zbl 1148.35025
Van Schaftingen, Jean; Willem, Michel
20
2008
Subharmonic oscillations of convex Hamiltonian systems. Zbl 0579.34030
Willem, M.
19
1985
Positive solutions for elliptic equations with critical growth in unbounded domains. Zbl 0968.35050
Ramos, M.; Wang, Z.-Q.; Willem, M.
18
2000
Subharmonic oscillations of forced pendulum-type equations. Zbl 0708.34028
Fonda, A.; Willem, M.
17
1989
Relative category and the calculus of variations. Zbl 0719.58010
Fournier, G.; Willem, M.
17
1990
Least energy solutions of a critical Neumann problem with a weight. Zbl 1221.35116
Chabrowski, J.; Willem, M.
16
2002
Set transformations, symmetrizations and isoperimetric inequalities. Zbl 1453.26034
Van Schaftingen, J.; Willem, M.
16
2004
A note on Palais-Smale condition and coercivity. Zbl 0782.58019
Caklovic, L.; Li, Shujie; Willem, M.
16
1990
Periodic solutions of non-autonomous Hamiltonian systems with symmetries. Zbl 0794.58037
Bartsch, Th.; Willem, M.
15
1994
Real harmonic analysis. (Analyse harmonique réelle.) Zbl 0839.43001
Willem, Michel
14
1995
Solutions of a system of diffusion equations. Zbl 1134.35094
Ding, Yanheng; Luan, Shixia; Willem, Michel
14
2007
Origin and evolution of the Palais-Smale condition in critical point theory. Zbl 1205.58009
Mawhin, Jean; Willem, Michel
12
2010
Subharmonic solutions for second order differential equations. Zbl 0803.34029
Fonda, A.; Ramos, M.; Willem, M.
12
1993
Periodic oscillations of odd second order Hamiltonian systems. Zbl 0582.58014
Willem, Michel
11
1984
Ground state solutions for a semilinear problem with critical exponent. Zbl 1240.35205
Szulkin, Andrzej; Weth, Tobias; Willem, Michel
10
2009
Periodic solutions of symmetric wave equations. Zbl 0909.35092
Ding, Yanheng; Li, Shujie; Willem, Michel
10
1998
Elementary functional analysis. (Analyse fonctionnelle élémentaire.) Zbl 1089.46001
Willem, Michel
9
2003
On some quasilinear critical problems. Zbl 1182.35090
De Valeriola, Sébastien; Willem, Michel
8
2009
Principles of functional analysis. (Principes d’analyse fonctionnelle.) Zbl 1205.46001
Willem, Michel
8
2007
Multiple critical points of invariant functionals and applications. Zbl 0628.35037
Costa, D. G.; Willem, M.
8
1986
Density of the range of potential operators. Zbl 0478.49012
Willem, Michel
8
1981
Generic results for the existence of nondegenerate periodic solutions of some differential systems with periodic nonlinearities. Zbl 0742.34043
Martinez-Amores, P.; Mawhin, J.; Ortega, R.; Willem, M.
8
1991
Hardy-Sobolev inequalities with remainder terms. Zbl 1033.35044
Rădulescu, Vicenţiu; Smets, Didier; Willem, Michel
8
2002
Subharmonic oscillations of a semilinear wave equation. Zbl 0588.35054
Willem, Michel
8
1985
A semilinear elliptic equation on \(\mathbb R^N\) with unbounded coefficients. Zbl 1094.35054
Sintzoff, P.; Willem, M.
7
2002
Morse theory and nonlinear differential equations. Zbl 1236.58023
Bartsch, Thomas; Szulkin, Andrzej; Willem, Michel
6
2008
Bifurcation, symmetry and Morse theory. Zbl 0676.58020
Willem, Michel
6
1989
A multiplicity result for the generalized Kadomtsev-Petviashvili equation. Zbl 0902.35100
Wang, Z.-Q.; Willem, M.
6
1996
Least energy nodal solutions of the Brezis-Nirenberg problem in dimension \(N=5\). Zbl 1178.35175
Roselli, Paolo; Willem, Michel
5
2009
Existence of many positive solutions of semilinear elliptic equations on an annulus. Zbl 0911.35051
Wang, Zhi-Qiang; Willem, Michel
5
1999
Periodic solutions of wave equations with jumping nonlinearities. Zbl 0429.35049
Willem, Michel
5
1980
A decomposition lemma and critical minimization problems. Zbl 1194.35122
Willem, Michel
5
2003
Remarks on the dual least action principle. Zbl 0528.58006
Willem, M.
5
1982
Lectures on critical point theory. (Given at the University of Brasilia in January and February 1983). Zbl 0541.58016
Willem, Michel
5
1983
Schrödinger equation with multiparticle potential and critical nonlinearity. Zbl 1195.35145
Chabrowski, Jan; Szulkin, Andrzej; Willem, Michel
4
2009
Some critical minimization problems for functions of bounded variations. Zbl 1201.49006
Bartsch, Thomas; Willem, Michel
4
2010
Densité de l’image de la différence de deux opérateurs. Zbl 0436.47051
Willem, Michel
4
1980
Topology and semilinear equations at resonance in Hilbert space. Zbl 0472.47036
Willem, Michel
4
1981
Existence and multiplicity results for semicoercive unilateral problems. Zbl 0808.58015
Goeleven, D.; Nguyen, V. H.; Willem, M.
4
1994
Points critiques multiples de fonctionnelles invariantes. (Multiple critical points of invariant functionals). Zbl 0581.58010
Costa, David; Willem, Michel
4
1984
A convexity inequality. Zbl 1037.26019
Roselli, Paolo; Willem, Michel
3
2002
Lusternik-Schnirelman theory and asymptotically linear Hamiltonian systems. Zbl 0622.34044
Costa, D.; Willem, M.
3
1987
Time-periodic solutions of boundary value problems for nonlinear heat, telegraph and beam equations. Zbl 0622.35004
Nkashama, M. N.; Willem, M.
3
1987
The limiting case for strongly indefinite functionals. Zbl 0817.58006
Fournier, G.; Timoumi, M.; Willem, M.
3
1993
Density, spectral theory and homoclinics for singular Sturm-Liouville systems. Zbl 0816.34016
De Coster, C.; Willem, M.
3
1994
Variational methods and boundary value problems for vector second order differential equations and applications to the pendulum equation. Zbl 0563.34048
Mawhin, J.; Willem, M.
3
1984
On some nonlinear equations with critical exponents. Zbl 1166.35021
Brezis, Haïm; Willem, Michel
2
2008
Extremal functions for the Caffarelli-Kohn-Nirenberg inequalities: A simple proof of the symmetry. Zbl 1171.35041
Bouchez, Vincent; Willem, Michel
2
2009
A relative isoperimetric inequality. Zbl 1254.26032
Brock, Friedemann; Willem, Michel
2
2012
Jean Mawhin’s contributions to critical point theory. Zbl 1295.35007
Willem, Michel
2
2013
On the generalized Morse lemma. Zbl 0605.58016
Mawhin, J.; Willem, M.
2
1985
Range of nonlinear perturbations of linear operators with an infinite dimensional kernel. Zbl 0446.47059
Mawhin, J.; Willem, M.
2
1980
Aspects of Morse theory. Zbl 0723.58010
Willem, Michel
2
1987
A Liouville theorem for the \(p\)-Laplacian and related questions. Zbl 1421.35170
Farina, Alberto; Mercuri, Carlo; Willem, Michel
2
2019
Linear elliptic systems involving finite Radon measures. Zbl 1161.35374
Rădulescu, Vicenţiu; Willem, Michel
1
2003
Nonlinear elliptic partial differential equations. Workshop in celebration of Jean-Pierre Gossez’s 65th birthday, Bruxelles, Belgium, September 2–4, 2009. Zbl 1214.35002
Bonheure, Denis (ed.); Cuesta, Mabel (ed.); Lami Dozo, Enrique J. (ed.); Takáč, Peter (ed.); Van Schaftingen, Jean (ed.); Willem, Michel (ed.)
1
2011
Existence of nodal solutions for some nonlinear elliptic problems. Zbl 1233.35081
de Valeriola, Sébastien; Willem, Michel
1
2011
Periodic solutions of some nonlinear second order differential equations in Hilbert spaces. Zbl 0599.34049
Mawhin, Jean; Willem, Michel
1
1981
Periodic solutions of convex Hamiltonian systems. Zbl 0626.35013
Willem, Michel
1
1984
Simple variational methods for unbounded potentials. Zbl 0704.58012
Fournier, G.; Willem, M.
1
1989
Periodic solutions of nonlinear differential equations in Hilbert spaces. Zbl 0419.34060
Mawhin, Jean; Willem, Michel
1
1978
Periodic solutions of some nonlinear second order differential equations in Hilbert spaces. Zbl 0441.34043
Mawhin, J.; Willem, M.
1
1978
Variational methods and almost solvability of semilinear equations. Zbl 0449.35035
Willem, Michel
1
1980
Variational methods and almost solvability of semilinear equations. Zbl 0462.47043
Willem, Michel
1
1981
A Liouville theorem for the \(p\)-Laplacian and related questions. Zbl 1421.35170
Farina, Alberto; Mercuri, Carlo; Willem, Michel
2
2019
Partial symmetry of vector solutions for elliptic systems. Zbl 1298.35206
Wang, Zhi-Qiang; Willem, Michel
20
2014
Functional analysis. Fundamentals and applications. Zbl 1284.46001
Willem, Michel
32
2013
Jean Mawhin’s contributions to critical point theory. Zbl 1295.35007
Willem, Michel
2
2013
A relative isoperimetric inequality. Zbl 1254.26032
Brock, Friedemann; Willem, Michel
2
2012
Nonlinear elliptic partial differential equations. Workshop in celebration of Jean-Pierre Gossez’s 65th birthday, Bruxelles, Belgium, September 2–4, 2009. Zbl 1214.35002
Bonheure, Denis; Cuesta, Mabel; Lami Dozo, Enrique J.; Takáč, Peter; Van Schaftingen, Jean; Willem, Michel
1
2011
Existence of nodal solutions for some nonlinear elliptic problems. Zbl 1233.35081
de Valeriola, Sébastien; Willem, Michel
1
2011
A global compactness result for the \(p\)-Laplacian involving critical nonlinearities. Zbl 1193.35051
Mercuri, Carlo; Willem, Michel
34
2010
Origin and evolution of the Palais-Smale condition in critical point theory. Zbl 1205.58009
Mawhin, Jean; Willem, Michel
12
2010
Some critical minimization problems for functions of bounded variations. Zbl 1201.49006
Bartsch, Thomas; Willem, Michel
4
2010
Ground state solutions for a semilinear problem with critical exponent. Zbl 1240.35205
Szulkin, Andrzej; Weth, Tobias; Willem, Michel
10
2009
On some quasilinear critical problems. Zbl 1182.35090
De Valeriola, Sébastien; Willem, Michel
8
2009
Least energy nodal solutions of the Brezis-Nirenberg problem in dimension \(N=5\). Zbl 1178.35175
Roselli, Paolo; Willem, Michel
5
2009
Schrödinger equation with multiparticle potential and critical nonlinearity. Zbl 1195.35145
Chabrowski, Jan; Szulkin, Andrzej; Willem, Michel
4
2009
Extremal functions for the Caffarelli-Kohn-Nirenberg inequalities: A simple proof of the symmetry. Zbl 1171.35041
Bouchez, Vincent; Willem, Michel
2
2009
Symmetry of solutions of semilinear elliptic problems. Zbl 1148.35025
Van Schaftingen, Jean; Willem, Michel
20
2008
Morse theory and nonlinear differential equations. Zbl 1236.58023
Bartsch, Thomas; Szulkin, Andrzej; Willem, Michel
6
2008
On some nonlinear equations with critical exponents. Zbl 1166.35021
Brezis, Haïm; Willem, Michel
2
2008
Weighted Sobolev embedding with unbounded and decaying radial potentials. Zbl 1220.35026
Su, Jiabao; Wang, Zhi-Qiang; Willem, Michel
80
2007
Nonlinear Schrödinger equations with unbounded and decaying radial potentials. Zbl 1141.35056
Su, Jiabao; Wang, Zhi-Qiang; Willem, Michel
61
2007
Solutions of a system of diffusion equations. Zbl 1134.35094
Ding, Yanheng; Luan, Shixia; Willem, Michel
14
2007
Principles of functional analysis. (Principes d’analyse fonctionnelle.) Zbl 1205.46001
Willem, Michel
8
2007
Hardy’s inequality on exterior domains. Zbl 1089.26012
Chabrowski, J.; Willem, M.
1
2006
Partial symmetry of least energy nodal solutions to some variational problems. Zbl 1206.35086
Bartsch, Thomas; Weth, Tobias; Willem, Michel
110
2005
The Dirichlet problem for superlinear elliptic equations. Zbl 1207.35001
Bartsch, Thomas; Wang, Zhi-Qiang; Willem, Michael
35
2005
On multiple solutions of the exterior Neumann problem involving critical Sobolev exponent. Zbl 1256.35015
Chabrowski, Jan; Willem, Michel
1
2005
Set transformations, symmetrizations and isoperimetric inequalities. Zbl 1453.26034
Van Schaftingen, J.; Willem, M.
16
2004
Partial symmetry and asymptotic behavior for some elliptic variational problems. Zbl 1274.35026
Smets, Didier; Willem, Michel
79
2003
On a Schrödinger equation with periodic potential and spectrum point zero. Zbl 1030.35068
Willem, Michel; Zou, Wenming
71
2003
Elliptic problems with critical exponents and Hardy potentials. Zbl 1163.35383
Ruiz, D.; Willem, M.
58
2003
Caffarelli–Kohn–Nirenberg inequalities with remainder terms. Zbl 1037.26014
Wang, Zhi-Qiang; Willem, Michel
41
2003
A Sobolev inequality with remainder term and critical equations on domains with topology for the polyharmonic operator. Zbl 1059.31006
Bartsch, Thomas; Weth, Tobias; Willem, Michel
37
2003
Remarks on a Hardy-Sobolev inequality. Zbl 1035.35020
Secchi, Simone; Smets, Didier; Willem, Michel
30
2003
Elementary functional analysis. (Analyse fonctionnelle élémentaire.) Zbl 1089.46001
Willem, Michel
9
2003
A decomposition lemma and critical minimization problems. Zbl 1194.35122
Willem, Michel
5
2003
Linear elliptic systems involving finite Radon measures. Zbl 1161.35374
Rădulescu, Vicenţiu; Willem, Michel
1
2003
Non-radial ground states for the Hénon equation. Zbl 1160.35415
Smets, Didier; Willem, Michel; Su, Jiabao
110
2002
Least energy solutions of a critical Neumann problem with a weight. Zbl 1221.35116
Chabrowski, J.; Willem, M.
16
2002
Hardy-Sobolev inequalities with remainder terms. Zbl 1033.35044
Rădulescu, Vicenţiu; Smets, Didier; Willem, Michel
8
2002
A semilinear elliptic equation on \(\mathbb R^N\) with unbounded coefficients. Zbl 1094.35054
Sintzoff, P.; Willem, M.
7
2002
A convexity inequality. Zbl 1037.26019
Roselli, Paolo; Willem, Michel
3
2002
Singular minimization problems. Zbl 0954.35074
Wang, Z.-Q.; Willem, M.
45
2000
Positive solutions for elliptic equations with critical growth in unbounded domains. Zbl 0968.35050
Ramos, M.; Wang, Z.-Q.; Willem, M.
18
2000
Homoclinic orbits of a Hamiltonian system. Zbl 0997.37041
Ding, Yanheng; Willem, Michel
40
1999
Eigenvalue problems with indefinite weight. Zbl 0931.35121
Szulkin, Andrzej; Willem, Michel
39
1999
Existence of many positive solutions of semilinear elliptic equations on an annulus. Zbl 0911.35051
Wang, Zhi-Qiang; Willem, Michel
5
1999
Multiple solutions for asymptotically linear boundary value problems in which the nonlinearity crosses at least one eigenvalue. Zbl 0933.35066
Li, Shujie; Willem, Michel
21
1998
Periodic solutions of symmetric wave equations. Zbl 0909.35092
Ding, Yanheng; Li, Shujie; Willem, Michel
10
1998
Solitary waves with prescribed speed on infinite lattices. Zbl 0889.34059
Smets, D.; Willem, M.
75
1997
Minimax theorems. Zbl 0856.49001
Willem, Michel
1996
Nontrivial solution of a semilinear Schrödinger equation. Zbl 0864.35036
Troestler, C.; Willem, M.
65
1996
Extrema problems with critical Sobolev exponents on unbounded domains. Zbl 0851.49004
Ben-Naoum, A. K.; Troestler, C.; Willem, M.
59
1996
A multiplicity result for the generalized Kadomtsev-Petviashvili equation. Zbl 0902.35100
Wang, Z.-Q.; Willem, M.
6
1996
Semilinear elliptic equations in \(\mathbb{R} ^ N\) with almost periodic or unbounded forcing term. Zbl 0861.34023
Fournier, Gilles; Szulkin, Andrzej; Willem, Michel
1
1996
Periodic solutions of symmetric wave equations. Zbl 0860.35007
Ding, Y.; Li, S.; Willem, M.
1
1996
On an elliptic equation with concave and convex nonlinearities. Zbl 0848.35039
Bartsch, Thomas; Willem, Michel
120
1995
Applications of local linking to critical point theory. Zbl 0820.58012
Li, Shujie; Willem, Michel
116
1995
Real harmonic analysis. (Analyse harmonique réelle.) Zbl 0839.43001
Willem, Michel
14
1995
Limit relative category and critical point theory. Zbl 0794.58007
Fournier, G.; Lupo, D.; Ramos, M.; Willem, M.
22
1994
Existence and multiplicity results for homogeneous second order differential equations. Zbl 0808.58013
Ben Naoum, A. K.; Troestler, C.; Willem, M.
20
1994
Periodic solutions of non-autonomous Hamiltonian systems with symmetries. Zbl 0794.58037
Bartsch, Th.; Willem, M.
15
1994
Existence and multiplicity results for semicoercive unilateral problems. Zbl 0808.58015
Goeleven, D.; Nguyen, V. H.; Willem, M.
4
1994
Density, spectral theory and homoclinics for singular Sturm-Liouville systems. Zbl 0816.34016
De Coster, C.; Willem, M.
3
1994
Multiple solutions of semi-linear elliptic equations on \(\mathbb{R}^ N\). Zbl 0812.35007
Munyamarere, François; Willem, Michel
1
1994
Infinitely many radial solutions of a semilinear elliptic problem on \(\mathbb{R}^ N\). Zbl 0790.35020
Bartsch, Thomas; Willem, Michel
96
1993
Infinitely many nonradial solutions of a Euclidean scalar field equation. Zbl 0790.35021
Bartsch, Thomas; Willem, Michel
84
1993
Subharmonic solutions for second order differential equations. Zbl 0803.34029
Fonda, A.; Ramos, M.; Willem, M.
12
1993
The limiting case for strongly indefinite functionals. Zbl 0817.58006
Fournier, G.; Timoumi, M.; Willem, M.
3
1993
Extrema problems with critical Sobolev exponents on unbounded domains. Zbl 0844.58077
Ben-Naoum, A. K.; Troestler, C.; Willem, M.
1
1993
On an elliptic equation with concave and convex nonlinearities. Zbl 0837.35049
Bartsch, Thomas; Willem, Michel
1
1993
Homoclinic orbits for a class of Hamiltonian systems. Zbl 0759.58018
Omana, W.; Willem, M.
148
1992
Existence and multiplicity results for homogeneous second order differential equations. Zbl 0837.34029
Ben-Naoum, A. K.; Troestler, C.; Willem, M.
1
1992
A lemma of quantitative deformation in the variational calculus. (Abstract). (Un lemme de déformation quantitatif en calcul des variation. (Resumée).) Zbl 0850.58009
Willem, M.
1
1992
Generic results for the existence of nondegenerate periodic solutions of some differential systems with periodic nonlinearities. Zbl 0742.34043
Martinez-Amores, P.; Mawhin, J.; Ortega, R.; Willem, M.
8
1991
Relative category and the calculus of variations. Zbl 0719.58010
Fournier, G.; Willem, M.
17
1990
A note on Palais-Smale condition and coercivity. Zbl 0782.58019
Caklovic, L.; Li, Shujie; Willem, M.
16
1990
Critical point theory and Hamiltonian systems. Zbl 0676.58017
Mawhin, Jean; Willem, Michel
1989
Multiple solutions of the forced double pendulum equation. Zbl 0683.70022
Fournier, G.; Willem, M.
24
1989
Subharmonic oscillations of forced pendulum-type equations. Zbl 0708.34028
Fonda, A.; Willem, M.
17
1989
Bifurcation, symmetry and Morse theory. Zbl 0676.58020
Willem, Michel
6
1989
Simple variational methods for unbounded potentials. Zbl 0704.58012
Fournier, G.; Willem, M.
1
1989
Lusternik-Schnirelman theory and asymptotically linear Hamiltonian systems. Zbl 0622.34044
Costa, D.; Willem, M.
3
1987
Time-periodic solutions of boundary value problems for nonlinear heat, telegraph and beam equations. Zbl 0622.35004
Nkashama, M. N.; Willem, M.
3
1987
Aspects of Morse theory. Zbl 0723.58010
Willem, Michel
2
1987
Critical points of convex perturbations of some indefinite quadratic forms and semilinear boundary value problems at resonance. Zbl 0678.35091
Mawhin, J.; Willem, M.
48
1986
Variational methods and semilinear elliptic equations. Zbl 0656.35044
Mawhin, J.; Ward, J. R. jun.; Willem, M.
45
1986
Multiple critical points of invariant functionals and applications. Zbl 0628.35037
Costa, D. G.; Willem, M.
8
1986
Necessary and sufficient conditions for the solvability of a nonlinear two-point boundary value problem. Zbl 0559.34014
Mawhin, J.; Ward, J. R.; Willem, M.
21
1985
Subharmonic oscillations of convex Hamiltonian systems. Zbl 0579.34030
Willem, M.
19
1985
Subharmonic oscillations of a semilinear wave equation. Zbl 0588.35054
Willem, Michel
8
1985
On the generalized Morse lemma. Zbl 0605.58016
Mawhin, J.; Willem, M.
2
1985
Multiple solutions of the periodic boundary value problem for some forced pendulum-type equations. Zbl 0557.34036
Mawhin, J.; Willem, M.
70
1984
Periodic oscillations of odd second order Hamiltonian systems. Zbl 0582.58014
Willem, Michel
11
1984
Points critiques multiples de fonctionnelles invariantes. (Multiple critical points of invariant functionals). Zbl 0581.58010
Costa, David; Willem, Michel
4
1984
Variational methods and boundary value problems for vector second order differential equations and applications to the pendulum equation. Zbl 0563.34048
Mawhin, J.; Willem, M.
3
1984
Periodic solutions of convex Hamiltonian systems. Zbl 0626.35013
Willem, Michel
1
1984
Periodic solutions of the boundary value problem for the nonlinear heat equation. Zbl 0555.35062
Nkashama, M. N.; Willem, M.
1
1984
Lectures on critical point theory. (Given at the University of Brasilia in January and February 1983). Zbl 0541.58016
Willem, Michel
5
1983
Remarks on the dual least action principle. Zbl 0528.58006
Willem, M.
5
1982
Oscillations forcees de systèmes hamiltoniens. Zbl 0482.70020
Willem, Michel
28
1981
...and 12 more Documents
all top 5

Cited by 2,231 Authors

141 Tang, Xianhua
71 Alves, Claudianor Oliveira
55 Miyagaki, Olimpio Hiroshi
54 Chen, Haibo
51 Zou, Wenming
48 Ding, Yanheng
46 Papageorgiou, Nikolaos S.
46 Tang, Chun-Lei
46 Wang, Zhi-Qiang
39 Shi, Haiping
36 Su, Jiabao
35 Yang, Minbo
32 Willem, Michel
31 Chen, Sitong
31 Ma, Shiwang
31 Schechter, Martin
30 Wu, Xian
30 Zhang, Fubao
30 Zhao, Fukun
29 Van Schaftingen, Jean
29 Wu, Tsungfang
28 Figueiredo, Giovany Malcher
28 Rădulescu, Vicenţiu D.
27 Li, Shujie
27 Liu, Xia
26 Chen, Guanwei
26 Mawhin, Jean L.
26 Wang, Jun
25 Zhang, Jihui
25 Zhang, Zhitao
24 Wu, Xingping
24 Yu, Jian-She
24 Zhang, Wen
23 Bartsch, Thomas J.
23 Weth, Tobias
23 Zhang, Yuanbiao
22 Do Ó, João M. Bezerra
22 Huang, Yisheng
22 Sun, Juntao
22 Xu, Junxiang
22 Zanolin, Fabio
21 Chen, Jianqing
21 Chen, Peng
21 He, Xiaoming
21 Szulkin, Andrzej
21 Zhang, Jian
21 Zhang, Ziheng
20 Chen, Shaowei
19 Ambrosio, Vincenzo
19 Clapp, Mónica
19 Peng, Shuangjie
18 Cheng, Bitao
18 Ge, Weigao
18 Kajikiya, Ryuji
18 Liang, Sihua
18 Lin, Xiaoyan
18 Zhang, Xingyong
17 Deng, Yinbin
17 Furtado, Marcelo Fernandes
17 Li, Yongkun
17 Liu, Shibo
17 O’Regan, Donal
17 Terracini, Susanna
17 Tian, Yu
16 Guo, Zhiming
16 Kristály, Alexandru
16 Li, Fuyi
16 Nieto Roig, Juan Jose
16 Tang, Chunlei
16 Teng, Kaimin
16 Zhao, Leiga
15 Han, Zhiqing
15 Liu, Zhaoli
15 Mao, Anmin
15 Molica Bisci, Giovanni
15 Motreanu, Dumitru
15 Squassina, Marco
15 Wei, Juncheng
15 Yuan, Rong
15 Zhou, Jianwen
14 Bonheure, Denis
14 Carrião, Paulo Cesar
14 Chabrowski, Jan H.
14 Guo, Yuxia
14 Liang, Zhanping
14 Tersian, Stepan Agop
14 Zhang, Binlin
13 Cingolani, Silvia
13 Costa, David Goldstein
13 Deng, Xiaoqing
13 Han, Pigong
13 Li, Gongbao
13 Moreira dos Santos, Ederson
13 Ou, Zengqi
13 Qin, Dongdong
13 Repovš, Dušan D.
13 Torres Ledesma, César Enrique
13 Yang, Jianfu
13 Zhou, Zhan
12 Agarwal, Ravi P.
...and 2,131 more Authors
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Cited in 270 Serials

428 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
404 Journal of Mathematical Analysis and Applications
255 Journal of Differential Equations
120 Calculus of Variations and Partial Differential Equations
107 Boundary Value Problems
81 Applied Mathematics Letters
73 Journal of Mathematical Physics
72 Nonlinear Analysis. Theory, Methods & Applications
67 Applied Mathematics and Computation
67 Abstract and Applied Analysis
66 Nonlinear Analysis. Real World Applications
65 Computers & Mathematics with Applications
62 Communications in Contemporary Mathematics
61 Communications on Pure and Applied Analysis
59 Advances in Difference Equations
54 Journal of Functional Analysis
52 Discrete and Continuous Dynamical Systems
50 ZAMP. Zeitschrift für angewandte Mathematik und Physik
49 NoDEA. Nonlinear Differential Equations and Applications
44 Annali di Matematica Pura ed Applicata. Serie Quarta
42 Proceedings of the American Mathematical Society
39 Advanced Nonlinear Studies
36 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire
31 Journal of Applied Mathematics and Computing
29 Complex Variables and Elliptic Equations
29 Journal of Fixed Point Theory and Applications
27 Applicable Analysis
27 Mediterranean Journal of Mathematics
26 Science China. Mathematics
25 Rocky Mountain Journal of Mathematics
24 Transactions of the American Mathematical Society
23 Archive for Rational Mechanics and Analysis
23 Mathematical Methods in the Applied Sciences
21 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics
20 Journal of Dynamics and Differential Equations
20 Advances in Nonlinear Analysis
19 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
18 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
17 Mathematische Nachrichten
17 Acta Applicandae Mathematicae
17 Journal de Mathématiques Pures et Appliquées. Neuvième Série
17 Topological Methods in Nonlinear Analysis
17 Acta Mathematica Sinica. English Series
17 Journal of Nonlinear Science and Applications
16 Journal of Difference Equations and Applications
15 Communications in Partial Differential Equations
14 Advances in Mathematics
14 Electronic Journal of Differential Equations (EJDE)
14 Journal of Function Spaces
13 Journal d’Analyse Mathématique
13 Nonlinearity
13 Monatshefte für Mathematik
13 Journal of Applied Analysis and Computation
12 Acta Mathematicae Applicatae Sinica. English Series
12 Discrete Dynamics in Nature and Society
11 Archiv der Mathematik
11 Manuscripta Mathematica
11 Results in Mathematics
11 Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Serie IX. Rendiconti Lincei. Matematica e Applicazioni
10 Mathematical and Computer Modelling
10 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations
10 Journal of the European Mathematical Society (JEMS)
10 Journal of Applied Mathematics
10 Comptes Rendus. Mathématique. Académie des Sciences, Paris
10 Milan Journal of Mathematics
10 Discrete and Continuous Dynamical Systems. Series S
9 Mathematische Annalen
9 Applications of Mathematics
8 Proceedings of the Edinburgh Mathematical Society. Series II
8 Science in China. Series A
8 Taiwanese Journal of Mathematics
8 Journal of Inequalities and Applications
8 Frontiers of Mathematics in China
7 Communications in Mathematical Physics
7 Israel Journal of Mathematics
7 Chaos, Solitons and Fractals
7 International Journal of Mathematics and Mathematical Sciences
7 Journal of Computational and Applied Mathematics
7 Revista Matemática Iberoamericana
7 Qualitative Theory of Dynamical Systems
6 Indian Journal of Pure & Applied Mathematics
6 Glasgow Mathematical Journal
6 Mathematische Zeitschrift
6 Rendiconti del Seminario Matematico della Università di Padova
6 Zeitschrift für Analysis und ihre Anwendungen
6 Chinese Annals of Mathematics. Series B
6 The Journal of Geometric Analysis
6 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences
6 Journal of Mathematical Sciences (New York)
6 Mathematical Problems in Engineering
6 Fractional Calculus & Applied Analysis
6 Communications in Nonlinear Science and Numerical Simulation
6 Journal of Dynamical and Control Systems
6 Discrete and Continuous Dynamical Systems. Series B
5 Czechoslovak Mathematical Journal
5 Journal of Optimization Theory and Applications
5 Ricerche di Matematica
5 Acta Mathematica Hungarica
5 Indagationes Mathematicae. New Series
5 Potential Analysis
...and 170 more Serials
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Cited in 52 Fields

2,474 Partial differential equations (35-XX)
786 Ordinary differential equations (34-XX)
738 Global analysis, analysis on manifolds (58-XX)
443 Dynamical systems and ergodic theory (37-XX)
400 Operator theory (47-XX)
235 Calculus of variations and optimal control; optimization (49-XX)
170 Difference and functional equations (39-XX)
142 Functional analysis (46-XX)
117 Mechanics of particles and systems (70-XX)
83 Real functions (26-XX)
68 Quantum theory (81-XX)
48 Differential geometry (53-XX)
40 Integral equations (45-XX)
35 Optics, electromagnetic theory (78-XX)
33 Numerical analysis (65-XX)
22 Mechanics of deformable solids (74-XX)
21 Fluid mechanics (76-XX)
19 Statistical mechanics, structure of matter (82-XX)
16 Potential theory (31-XX)
14 Algebraic topology (55-XX)
12 Biology and other natural sciences (92-XX)
11 Operations research, mathematical programming (90-XX)
10 Topological groups, Lie groups (22-XX)
10 Systems theory; control (93-XX)
8 Probability theory and stochastic processes (60-XX)
8 Relativity and gravitational theory (83-XX)
7 Abstract harmonic analysis (43-XX)
6 Convex and discrete geometry (52-XX)
5 Measure and integration (28-XX)
5 Harmonic analysis on Euclidean spaces (42-XX)
5 Manifolds and cell complexes (57-XX)
4 History and biography (01-XX)
4 Special functions (33-XX)
3 Algebraic geometry (14-XX)
3 General topology (54-XX)
3 Game theory, economics, finance, and other social and behavioral sciences (91-XX)
2 Linear and multilinear algebra; matrix theory (15-XX)
2 Functions of a complex variable (30-XX)
2 Several complex variables and analytic spaces (32-XX)
2 Approximations and expansions (41-XX)
2 Computer science (68-XX)
1 General and overarching topics; collections (00-XX)
1 Combinatorics (05-XX)
1 Number theory (11-XX)
1 Field theory and polynomials (12-XX)
1 Category theory; homological algebra (18-XX)
1 Group theory and generalizations (20-XX)
1 Integral transforms, operational calculus (44-XX)
1 Statistics (62-XX)
1 Classical thermodynamics, heat transfer (80-XX)
1 Astronomy and astrophysics (85-XX)
1 Information and communication theory, circuits (94-XX)

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