13-Aarhus Day 5: Start of the w-story, to Alexander
June-02-13
4:01 AM
Optimistic Rough Tentative Plan. Fourth introduction: Dalvit on 4D knots. Then w-tangles to the Alexander polynomial. 
Pasted from <[link]> 
Dalvit on 4D knots.
FT, TC, 4T, \alpha.
Z.
Bracket rise.
wA is a bi-algebra, Milnor-Moore, primitives and group-like elements.
wA, wB, dimensions.
Low algebra, especially the 2D Lie Alg..
Commutators commute, hairy Y's and detached wheels, the Alexander theorem.
A word on BCH and the Euler trick.