2 problems

Anti-deformation conjecture. Any Woronowicz algebra is a dimension-preserving $R^+$-deformation of a Woronowicz-Kac algebra.

Let $J_-^{(N)}$ and $J_+^{(N)}$ be the $N$-particle generators obtained from the $N$-th coproduct map, and define … Here ${\cal H}_z^{{\rm I},(N)}=\frac12J_+^{(N)}$ is the free int…