On a group that cannot be the group of a 2-knot

On a group that cannot be the group of a $2$-knot
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by Kunio Murasugi PDF

Proc. Amer. Math. Soc. 64 (1977), 154-156 Request permission

It is proved that a homomorph of the group of trefoil knot cannot be the group of a 2-knot in 4-sphere.

References

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