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Archive for the 'mathematics' Category

Comparative review of two books, ECONned and Meltdown, on the recent (ongoing?) financial crisis and its causes.

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This is the film that I now want to project onto the sides of buildings in public squares. I wouldn’t have expected to find out that the BBC showed a three-hour documentary on the telly that covered many of the topics I’ve been thinking about and kicking around in discussion with friends for the past […]

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Fuchsiana

Here’s a little puzzle about Fuchsian groups. [A collaborator came up with it and we’d like to use it to simplify a proof in a paper, but I think it’s a question that may have totally independent interest.] Is any Fuchsian group $latex \Gamma_1$ of the first kind with at least one cusp contained as […]

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Tao Times

The Times has this article up on the life and work of Terence Tao. Unfortunately, they mis-state the Green-Tao Theorem: Dr. Tao and Dr. Green proved that it is always possible to find, somewhere in the infinity of integers, a progression of prime numbers of any spacing and any length. If this were the theorem, […]

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