1. Russian notes.

2. On the curvature of control systems (Trieste, June 2000).

3. Differential geometry and optimal control problems (Warsaw, Sept. 2002).

4. Preface to the book "Control theory from the geometric viewpoint".

5. Geometry of optimal control problems and Hamiltonian systems (Cetraro, June 2004).

6. Abnormal geodesics and related topics (Trento, May 2005).

7. Hamiltonian systems and optimal control (Montreal, June 2007).

8. Il mondo nonolonomo (Trieste, May 2008).

9. Some open problems (March 2013).

10. Topics in sub-Riemannian geometry (Srni, Jan. 2016).

11. Symplectic geometry of constrained optimization (Paris, Jan. 2017).

12. Controllo in SISSA (Trieste, September 2017).