Djairo G. de Figueiredo - Selected Papers

Front Matter....Pages i-xx
J-Monotone Nonlinear Operators in Banach Spaces....Pages 1-9
On the Radial Projection in Normed Spaces....Pages 11-15
Maximal Monotone Operators and Nonlinear Integral Equations of Hammerstein Type....Pages 17-22
The Extension of Contractions and the Intersection of Balls in Banach Spaces....Pages 23-33
On the Variational Method for the Existence of Solutions of Nonlinear Equations of Hammerstein Type....Pages 35-41
The Dirichlet Problem for Nonlinear Elliptic Equations: A Hilbert Space Approach....Pages 43-64
Nonlinear Perturbations of a Linear Elliptic Problem Near Its First Eigenvalue....Pages 65-83
Perturbations of Second Order Linear Elliptic Problems by Nonlinearities Without Landesman–Lazer Condition....Pages 85-90
Double Resonance in Semilinear Elliptic Problems....Pages 91-120
Semilinear Elliptic Equations at Resonance: Higher Eigenvalues and Unbounded Nonlinearities....Pages 121-131
A Priori Estimates and Existence of Positive Solutions of Semilinear Elliptic Equations....Pages 133-155
On The Superlinear Ambrosetti–Prodi Problem....Pages 157-167
A Variational Approach to Superlinear Elliptic Problems....Pages 169-187
Radial Solutions for a Dirichlet Problem in a Ball....Pages 189-198
On Pairs of Positive Solutions for a Class of Semilinear Elliptic Problems....Pages 199-214
Positive Solutions for Some Classes of Semilinear Elliptic Problems....Pages 215-223
A Maximum Principle for an Elliptic System and Applications to Semilinear Problems....Pages 225-238
On the Uniqueness of Solution for a Class of Semilinear Elliptic Problems....Pages 239-249
On Superlinear Elliptic Problems with Nonlinearities Interacting Only with Higher Eigenvalues....Pages 251-267
Nonresonance Below the First Eigenvalue for a Semilinear Elliptic Problem....Pages 269-290
Maximum Principles for Linear Elliptic Systems....Pages 291-321
On a Superlinear Sturm-Liouville Equation and a Related Bouncing Problem....Pages 323-344
The Exact Number of Solutions for a Class of Ordinary Differential Equations Through Morse Index Computation....Pages 345-359
Strict Monotonicity of Eigenvalues and Unique Continuation....Pages 361-368
Positive Solutions of Semilinear Elliptic Systems....Pages 369-386
On Superquadratic Elliptic Systems....Pages 387-404
A Liouville-Type Theorem for Elliptic Systems....Pages 405-415
Monotonicity and Symmetry of Solutions of Elliptic Systems in General Domains....Pages 417-421
Elliptic Equations in R 2 with Nonlinearities in the Critical Growth Range....Pages 423-437
Decay, Symmetry and Existence of Solutions of Semilinear Elliptic Systems....Pages 439-462
Infinitely Many Solutions of Nonlinear Elliptic Systems....Pages 463-482
A Priori Bounds for Positive Solutions of a Non-variational Elliptic System....Pages 483-499
Some Remarks on a System of Quasilinear Elliptic Equations....Pages 501-515
Solutions of a Nonlinear Schrödinger Equation....Pages 517-538
Strongly Indefinite Functionals and Multiple Solutions of Elliptic Systems....Pages 539-555
Local superlinearity and sublinearity for indefinite semilinear elliptic problems....Pages 557-572
An Orlicz-Space Approach to Superlinear Elliptic Systems....Pages 573-598
Liouville Type Theorems, Monotonicity Results and a Priori Bounds for Positive Solutions of Elliptic Systems....Pages 599-628
On the Ambrosetti–Prodi Problem for Non-Variational Elliptic Systems....Pages 629-646
Solitary Waves for Some Nonlinear Schrödinger Systems....Pages 647-659
Non-Variational Elliptic Systems in Dimension Two: A Priori Bounds and Existence of Positive Solutions....Pages 661-680
The Critical Hyperbola for a Hamiltonian Elliptic System with Weights....Pages 681-695
Local ‘Superlinearity’ and ‘Sublinearity’ for the p -Laplacian....Pages 697-728
Back Matter....Pages 729-738