Slides of Recent Lectures:

• A keynote lecture for CLS'03, KGC'03, ESSLLI'03, Venna, 2003.       ( ps, pdf )
   
• Clifford Lectures 2002, Tulane University      ( ps, pdf )
   
• Distinguished Lecture at the New York Academy of Sciences, 2002    ( ps, pdf )
   
• Beijing Lectures, 2002      ( ps, pdf )
   
• NASSLLI'02      ( ps, pdf )
   
• Clifford Lectures 2002
   
• Spinoza Lecture 1999