1 problem

Let $n,r\geq0$, let $\mathcal{W}^k(\mathfrak{sl}_{n+r|n},f_{n+r|n})$ be the universal regular W-superalgebra, let $\mathrm{SB}^{p|q}=\beta\gamma^{\otimes p}\otimes bc^{\otimes q}$,…