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I was told that a knot complement in $S^3$ is an Eilenberg-Mc Lane space. And that it is quite easy to see this. However I am not able to find out why. could you help? Thanks

flag	asked Aug 1 2011 at 5:22 Markus Ulke 459●1●6

Andrew Ranicki · Accepted Answer · 2011-08-01 05:41:15Z UTC

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Papakyriakopoulos, C. D. On Dehn's lemma and the asphericity of knots. Ann. of Math. (2) 66 (1957), 1–26.

answered Aug 1 2011 at 5:41

Andrew Ranicki
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knot complement

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