Chapter 13 (Dynamical systems) [pdf]
Chapter 14 (La Salle's invariance principle) [pdf]
Chapter 15 (Poincaré-Bendixson theory) [pdf]
Chapter 16 (Carathéodory theory) [pdf]
Chapter 18 (Optimal control) part I+II [pdf] part III+IV [pdf]
Chapter 19 (Bifurcation theory) [pdf] added 2018: Hopf in R^n [pdf]
Chapter 20 (Invariant manifolds) [pdf]