"William E. Emba"
This story is set in Stross's "Accelerando" series,
due for publication in novel form in 2005, offering
a worm's eye view of the "Vinge singularity", the
supposed moment in the coming decades beyond which
machine intelligence gets so stupendous that any
extrapolation ahead of the event is impossible.
In "The Rapture of the Nerds", a Klein bottle makes
a significant appearance, and there are brief (but
relevant) mentions of game, complexity, and chaos
[It was published in] ARGOSY #2 March/April 2004.
Note that ARGOSY issues are published as two parts for
mail orders and as one part for bookstore magazine
racks. This novella is essentially the entire second
part. See www.argosymag.com. This issue is still
in bookstores as of August 2004. Furthermore, the
first half was originally published on-line at scifi.com.