On a bang-bang principle for non-linear systems. (English) Zbl 0445.49012
MSC:
| 49J30 | Existence of optimal solutions belonging to restricted classes (Lipschitz controls, bang-bang controls, etc.) |
| 49J45 | Methods involving semicontinuity and convergence; relaxation |
| 46A11 | Spaces determined by compactness or summability properties (nuclear spaces, Schwartz spaces, Montel spaces, etc.) |
| 54C20 | Extension of maps |
| 26D15 | Inequalities for sums, series and integrals |
| 93C10 | Nonlinear systems in control theory |
| 93B05 | Controllability |
