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Date: 27-6-2021
1947
Date: 27-5-2021
1610
Date: 4-8-2021
2020
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Let be a group, then there exists a piecewise linear knot in for with iff satisfies
1. is finitely presentable,
2. The Abelianization of is infinite cyclic,
3. The normal closure of some single element is all of ,
4. ; the second homology of the group is trivial.
REFERENCES:
Rolfsen, D. Knots and Links. Wilmington, DE: Publish or Perish Press, pp. 350-351, 1976.
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