In spring 2008, Prof. Allen Knutson is teaching
<a href="http://www.math.ucsd.edu/~allenk/courses/08spring/20b">Math 20b</a> and
<a href="http://www.math.ucsd.edu/~allenk/courses/08spring/109/">Math 109</a>.
<br>
See the course webpages for office hours, etc.
<p>
For something completely different, 
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<li>
<a href="http://www.math.ucsd.edu/~allenk/Roma2008/r.pdf">here are 
the slides</a> from The Mathematics of Juggling talk at
the Secondo Festival Della Matematica in Rome, and
<li>
<a href="http://www.math.ucsd.edu/~allenk/positroid.pdf">here are 
the slides</a> from a much more mathematical version to be given in May
at Bert Kostant's birthday conference in Vancouver.
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