Notes for AKT-090917-2/0:11:52

Cousins of Jones skein relation: Conway-Alexandra polynomial $C\in \mathbb {Z} [z]$ can be constructed inductively by the relations

1.$C($"overcrossing"$)-C($"undercrossing"$)=z*C($ "vertical smoothing"$)$

2.$C(k$ disjoint circles $)=1$ if $k=1$ and $0$ 0.w.