Sunday, October 15, 2006

My book is back online

[Click here]
[Thanks to Larry Harrop for the web page space.]

Please note that the ideas are a bit out of date. Specifically, the article on "Twins" contains a number of ideas I no longer agree with: there are other occurances of pairs which do not have the standard shape, and the standard shape (which I call a "boat rudder") occurs by itself in a number of settings.

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