M. Willem

发表

Critical Point Theory and Hamiltonian Systems

J. Mawhin, M. Willem, 1989 .

A note on Palais-Smale condition and coercivity

M. Willem, L. Caklovic, Shu Jie Li, 1990, Differential and Integral Equations.

Minimax Theorems

M. Willem, 1997 .

Origin and evolution of the Palais–Smale condition in critical point theory

Jean Mawhin, Michel Willem, J. Mawhin, 2010 .

Periodic solutions of non-autonomous Hamiltonian systems with symmetries.

M. Willem, T. Bartsch, 1994 .

Existence and Multiplicity Results for Homogeneous Second Order Differential Equations

M. Willem, A. K. Ben-Naoum, C. Troestler, 1994 .

Death registration and mortality trends in Australia 1856–1906

M. Willem, de Looper, 2014 .

Existence and Multiplicity for Semi-Linear Equations by the Duality Method

J. Mawhin, M. Willem, 1986 .

Necessary and sufficient conditions for the solvability of a nonlinear two-point boundary value problem

J. Mawhin, M. Willem, J. Ward, 1985 .

Density of the Range of Potential-operators

M. Willem, 1981 .

Homoclinic orbits of a Hamiltonian system

M. Willem, Yanheng Ding, 1999 .

PERTURBATIONS OF NONDEGENERATE PERIODIC ORBITS OF HAMILTONIAN SYSTEMS

M. Willem, 1987 .

Differential and Integral equations: Special issue dedicated to J. Mawhin and P. Habets, 22

Jean Van Schaftingen, M. Willem, J. Gossez, 2009 .

Multiple Solutions of the Forced Double Pendulum Equation

M. Willem, G. Fournier, 1989 .

Periodic-solutions of Wave-equations With Jumping Nonlinearities

M. Willem, 1980 .

Weighted Sobolev embedding with unbounded and decaying radial potentials

Jiabao Su, Michel Willem, Zhi-Qiang Wang, 2007 .

On some weakly coercive quasilinear problems with forcing

M. Willem, A. Szulkin, 2020, Journal d'Analyse Mathématique.

Existence of many positive solutions of semilinear elliptic equations on an annulus

Michel Willem, Zhi-Qiang Wang, M. Willem, 1999 .

The Dirichlet problem for superlinear elliptic equations

Michel Willem, Thomas Bartsch, Zhi-Qiang Wang, 2005 .

Infinitely many radial solutions of a semilinear elliptic problem on ℝN

Michel Willem, Thomas Bartsch, M. Willem, 1993 .

Morse theory and nonlinear differential equations

M. Willem, T. Bartsch, A. Szulkin, 2008 .

Infinitely Many Nonradial Solutions of a Euclidean Scalar Field Equation

Michel Willem, Thomas Bartsch, M. Willem, 1993 .

Partial symmetry of vector solutions for elliptic systems

M. Willem, Zhi-Qiang Wang, 2014 .

Functional analysis. Fundamentals and applications

M. Willem, 2013 .

Jürgen Appell, Józef Banaś, Nelson J. Merentes Díaz: “Bounded Variation and Around”

M. Willem, 2015 .

Jürgen Appell, Józef Banaś, Nelson J. Merentes Díaz: “Bounded Variation and Around”

M. Willem, 2014, Jahresbericht der Deutschen Mathematiker-Vereinigung.

Caffarelli-Kohn-Nirenberg inequalities with remainder terms

M. Willem, Zhi-Qiang Wang, 2003 .

Elliptic problems with critical exponents and Hardy potentials

M. Willem, D. Ruiz, 2003 .

Career paths of psychology graduates

M. Willem, de Looper, 2013 .

Set transformations, symmetrizations and isoperimetric inequalities

Jean Van Schaftingen, M. Willem, 2004 .

Multiple Solutions of the Periodic Boundary Value Problem for Some Forced Pendulum-Type Equations

Jean Mawhin, Michel Willem, J. Mawhin, 1984 .

Nondegenerate Critical Manifolds

J. Mawhin, M. Willem, 1989 .

Partial symmetry of least energy nodal solutions to some variational problems

Tobias Weth, Michel Willem, Thomas Bartsch, 2005 .

Homoclinic orbits for a class of Hamiltonian systems

M. Willem, W. Omana, M. Willem, 1992, Differential and Integral Equations.

Appendix: Topics in Calculus

M. Willem, 2013 .

Epilogue: Historical Notes on Functional Analysis

M. Willem, 2013 .

A Sobolev inequality with remainder term and critical equations on domains with topology for the polyharmonic operator

M. Willem, T. Bartsch, T. Weth, 2003 .

Range of nonlinear perturbations of linear operators with an infinite dimensional kernel

J. Mawhin, M. Willem, 1980 .

Critical points of convex perturbations of some indefinite quadratic forms and semi-linear boundary value problems at resonance

Jean Mawhin, Michel Willem, J. Mawhin, 1986 .

Subharmonic solutions for second order differential equations

Alessandro Fonda, M. Ramos, M. Willem, 1993 .

Simple Variational-methods for Unbounded Potentials

M. Willem, G. Fournier, 1989 .

Nontrivial solution of a semilinear Schrodinger equation

M. Willem, C. Troestler, 1996 .

Variational methods and boundary value problems for vector second order differential equations and applications to the pendulum equation

J. Mawhin, M. Willem, 1984 .

On An Elliptic Equation With Concave and Convex Nonlinearities

M. Willem, T. Bartsch, 1995 .

Semilinear elliptic equations in R N with almost periodic or unbounded forcing term

M. Willem, A. Szulkin, G. Fournier, 1996 .

Generic results for the existence of nondegenerate periodic solutions of some differential systems with periodic nonlinearities

J. Mawhin, M. Willem, R. Ortega, 1991 .

Subharmonic Oscillations of Forced Pendulum-type Equations

M. Willem, A. Fonda, 1989 .

Limit Relative Category and Critical Point Theory

M. Ramos, M. Willem, D. Lupo, 1994 .

Aspects of Morse theory

M. Willem, 1987 .

A Liouville theorem for the p-Laplacian and related questions

M. Willem, C. Mercuri, A. Farina, 2017, Calculus of Variations and Partial Differential Equations.

Jean Mawhin’s contributions to critical point theory

M. Willem, 2013 .

Multiple critical points of invariant functionals and applications

M. Willem, D. Costa, 1986 .

Relative Category and The Calculus of Variations

M. Willem, G. Fournier, 1990 .

Periodic Solutions of Symmetric Wave Equations

M. Willem, Yanheng Ding, Shujie Li, 1998 .

On Some Quasilinear Critical Problems

M. Willem, S. Valeriola, 2009 .

Extremal functions for the Caffarelli-Kohn-Nirenberg inequalities: A simple proof of the symmetry

M. Willem, V. Bouchez, 2009 .

Solitary waves with prescribed speed on infinite lattices

Michel Willem, Didier Smets, M. Willem, 1997 .

Singular Minimization Problems

M. Willem, Zhi-Qiang Wang, 2000 .

Extrema problems with critical Sobolev exponents on unbounded domains

M. Willem, A. K. Ben-Naoum, C. Troestler, 1996 .

Nonlinear schrodinger equations with unbounded and decaying radial potentials

Jiabao Su, Michel Willem, Zhi-Qiang Wang, 2007 .

Eigenvalue problems with indefinite weight

M. Willem, A. Szulkin, 1999 .

NON-RADIAL GROUND STATES FOR THE HÉNON EQUATION

M. Willem, D. Smets, Jiabao Su, 2002 .

Some critical minimization problems for functions of bounded variations

M. Willem, T. Bartsch, 2010 .

Remarks on a Hardy-Sobolev inequality

M. Willem, D. Smets, S. Secchi, 2003 .

Partial symmetry and asymptotic behavior for some elliptic variational problems

M. Willem, D. Smets, 2003 .

Multiple solutions for asymptotically linear boundary value problems in which the nonlinearity crosses at least one eigenvalue

M. Willem, Shujie Li, 1998 .

Variational methods and semi-linear elliptic equations

J. Mawhin, M. Willem, J. Ward, 1986 .

Schrödinger equation with multiparticle potential and critical nonlinearity

M. Willem, A. Szulkin, J. Chabrowski, 2009 .

A Global Compactness Result for the P-laplacian Involving Critical Nonlinearities

M. Willem, C. Mercuri, 2010 .

A Semilinear Elliptic Equation on RN with Unbounded Coefficients

M. Willem, M. Willem, P. Sintzoff, 2002 .

Symmetry of solutions of semilinear elliptic problems

Jean Van Schaftingen, M. Willem, 2008 .

Least energy solutions of a critical Neumann problem with a weight

M. Willem, J. Chabrowski, 2002 .

Hardy-Sobolev inequalities with remainder terms

Vicentiu D. Rădulescu, M. Willem, D. Smets, 2002 .

Solutions of a system of diffusion equations

Yanheng Ding, Shixia Luan, Michel Willem, 2007 .

Applications of local linking to critical point theory

Michel Willem, M. Willem, Sj. Li, 1995 .

Hardy's inequality on exterior domains

M. Willem, J. Chabrowski, 2005 .

Ground state solutions for a semilinear problem with critical exponent

M. Willem, A. Szulkin, T. Weth, 2009, Differential and Integral Equations.

OPERATORS OF MONOTONE TYPE AND ALTERNATIVE PROBLEMS WITH INFINITE DIMENSIONAL KERNEL

J. Mawhin, M. Willem, 1981 .

PERIODIC SOLUTIONS OF SOME NONLINEAR SECOND ORDER DIFFERENTIAL EQUATIONS IN HILBERT SPACES

J. Mawhin, M. Willem, 1981 .

Variational methods and almost solvability of semilinear equations

M. Willem, 1981 .