## Friday, May 20, 2011

## Sunday, May 15, 2011

## Tuesday, May 10, 2011

## Thursday, May 5, 2011

Above are Cayley graphs of a finite Coxeter group on four generators embedded into the 3-sphere and then projected onto Euclidean space. If we could see these images in the hypersphere, the curved lines would be straight. More here.

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