December 31st, 2003

beartato phd

(no subject)

Dammit. Every time I try to compute the fundamental group of the complement of the trefoil knot in R^3 with Siefert-van Kampen, it comes out Z, but Wikipedia tells me it's supposed to be <x,y|x^2 = y^2>, which I would expect, since it's not the unknot. I wonder what I'm doing wrong.