Notes for AKT-090922/0:45:17

We have the short exact sequence:

[math]\displaystyle{ 0 \rightarrow \mathbb{Z} \rightarrow \{ }[/math]framed knots[math]\displaystyle{ \} \rightarrow \{ }[/math]knots[math]\displaystyle{ \} \rightarrow 0 }[/math]

with a splitting on the left given by the writhe.