No label defined (Q3962049)
From MaRDI portal
scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article |
Statements
1981
0 references
convex duality
0 references
Fredholm operators
0 references
coincidence degree
0 references
sub- and super- solutions
0 references
coercivity of particular quadratic forms
0 references
existence of periodic solutions of second order ordinary differential equations which have a damping term
0 references
Galerkin approximations
0 references
monotonicity
0 references
existence of solutions of variational equations
0 references
weakly nonlinear one-dimensional wave equations
0 references
