There is also a .ps file
available.
This is from lectures given at the University of Florence
in October, 2002.
This [pdf] file is from
the Helsinki conference in August 2003.
Note:
The .pdf files are transcripts of slides used in a one hour talk.
To optimally use these, set the acrobat reader into full screen mode
(using ctrl-L: another ctrl-L returns to partial screen mode)
and use the arrow keys to navigate back and forth in the text.
This encoding utilises only
plain
\TeX.
For those interested in student evaluation of faculty,
check out this
reference.