Exactness and Drinfeld-Sokolov Realization of the McRae-Yang Tensor Functors

Shun Xu

Let $p,q\ge 2$ be coprime, set $k=-2+p/q$, and let $c_{p,q}=1-6(p-q{)}^2/(pq)$. McRae and Yang constructed right exact braided tensor functors from the non-semisimple Kazhdan-Lusztig…