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 theory.

[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.