I am a
and until recently I was a
Department of Mathematics
University of Nebraska - Lincoln
John Orr on Google+
My mathematical research is in Operator Theory/Operator Algebras.
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of my mathematical publications.
I have a strong interest in web-software development and educational software. I have developed a number of web-based educational software products, including
, and a
suite of applets
for liberal arts math.
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of these and other projects. Follow this link for my
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from selected recent presentations.