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  Contact Francis Bonahon

Warning! This site may get disconnected soon.

You should instead connect to my new web page (unfortunately still under construction) at:

Farey tessellation/packing

What are those circles? Click here if you want to know more.

 You can now watch more Farey-Ford math on Youtube!

I hope that, in addition to the french accent and other idiosyncrasies, you enjoy the math and the fantastic editing work of Brady Haran. The math videos of his  Numberphile channel are really great. This video has now been viewed over 300,000 times (for whatever YouTube defines as a "view").

  Book support    STML 49

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