The following lectures are in PDF format.
Nashville July 2004
Lecture at StanleyFest
Flow Diagram of the Lecture at StanleyFest
Banff August 2004
Seattle November 2004
TaorminaTalk June 2005
Eugene Talk November 13 2005
Pierre Leroux Conf. Montreal sept 2006
Macdonald Polynomial Talk Montreal, May 2007
Montreal Talk June 29 07
WANTED N! DERIVATIVES (Food For Thought Seminar 4-24-08)