String theory and QFT for mathematicians
Introduce a family of intertwing operators M{\lambda} -> M{\mu}\ot V which are holomorphic w.r.t. \lambda. Should implies that one can construct a dynamical twist regular at \lambda=0, hence "algebraic" by taking its formal Taylor expansion.
Combinatorial proof of the Wheeling thm, aka diagrammatic Duflo iso. Partly an exposition of some of Alekseev-Meinrenken work on the topic.
Lectures on AM proof of KV using Kontsevich theorem