Notes for AKT-090910-1/0:11:48

As a start, a function on knot diagrams rather than on knots is defined: For a knot diagram $D$, $I(D)$ gives the truth value of the following statement:

The arcs of $D$ can be coloured in 3 colours $(R,G,B)$ s.t.

1. Every crossing is either monochromatic or trichromatic.
2. All colours appear.