1 “... PhD adviser being the great R. Courant himself) and served as a professor for 30 years, and Stanford...”

2 “... at Stanford University. It was taught collectively by the authors of the various sections and represents...”

3 “... (1995), New Brunswick (1996), Enschede (1997), Paris (1998), Trento (1999), Toulouse (1999), Stanford...”

4 “...). In addition, it is our pleasure to feature two invited talks, given by Professor J. Ullman of Stanford...”