Virtual and welded periods of classical knots [article]

Hans U. Boden, Andrew J. Nicas
2018 arXiv   pre-print
We show that any virtual or welded period of a classical knot K can be realized as a classical period. A direct consequence is that a classical knot admits only finitely many virtual or welded periods.
arXiv:1711.04051v2 fatcat:nkne25f5l5ch5hncc5vnngr4ja