Courses in international workshops and schools

• Local dynamics, 5 lectures in Nice, 1990,
• Finiteness theorems for limit cycles, 5 lectures in Guanahuato, Mexico, 1991,
• Finiteness theorems for limit cycles, 5 lectures in IMPA, Brazil, February 1992.
• Analytic theory of differential equations, 14 lectures in Trieste, 1991, 1992.
• Local dynamics and nonlocal bifurcations, 5 lectures in Montreal, 1992,
• Analytic theory of differential equations, new course, 12 lectures in Mexico, and Guanajuato 1993,
• Nonlinear Stokes Phenomena, new course, 12 lectures in Mexico, 1995,
• Normal forms and Nonlocal bifurcations, 11 lectures in Mexico and Guanajuato, 1996,
• Normal forms, limit cycles, desingularization and bifurcations, 9 lectures, Toronto, January 1997.
• Co-Organizer and lecturer (4 lectures) in the Summer School "Normal Forms, Bifurcations and Finiteness Problems in differential Equations", Montreal, 8-19 July 2002