Derivate containers, inverse functions, and controllability. (English) Zbl 0355.26004
Calc. Var. Control Theory, Proc. Symp. Math. Res. Cent., Madison 1975, 13-46 (1976).
MSC:
26A27 | Nondifferentiability (nondifferentiable functions, points of nondifferentiability), discontinuous derivatives |
26B10 | Implicit function theorems, Jacobians, transformations with several variables |
49K15 | Optimality conditions for problems involving ordinary differential equations |