Primality of theta-curves with proper rational tangle unknotting number one

Autor: Baker, Kenneth L., Buck, Dorothy, O'Donnol, Danielle, Moore, Allison H., Taylor, Scott
Rok vydání: 2022
Předmět:
Druh dokumentu: Working Paper
Popis: We show that if a composite $\theta$-curve has (proper rational) unknotting number one, then it is the order 2 sum of a (proper rational) unknotting number one knot and a trivial $\theta$-curve. We also prove similar results for 2-strand tangles and knotoids.
Databáze: arXiv