Short courses

• Lectures on ''Geometric Singular Perturbation Theory'' CIME, Montecatini-Terma, June 1994
• Lecture Series on ``Singular Perturbation Theory'' College of Enginnering, University of Illinois, March 1996
• Summer School in Nonlinear Oscillations, Waves and Patterns, Cork, Ireland, August 1996, 1997
• Tutorial lectures at Workshop on Dynamical Systems and Oceanography, Woods Hole, MA, December 1996
• Lecture Series on ``Singular Perturbation Theory'' University of California at Santa Barbara, College of Engineering, April, 1997
• Tutorial on ``Multiple Time Scales in Dynamical Systems'' IMA, Minnesota, October, 1997