A Graph-Theoretic Approach to a Partial Order of Knots and Links

Toshiki Endo, Tomoko Itoh, Kouki Taniyama

We say that a link $L_1$ is an s-major of a link $L_2$ if any diagram of $L_1$ can be transformed into a diagram of $L_2$ by changing some crossings and smoothing some crossings. T…