2 problems

Let ${}_\mathbf A M(\boldsymbol a)$ be the $\mathbf A_T$-form of the Verma module generated by $|\boldsymbol a\rangle$, and let ${}_\mathbf A F(\boldsymbol a)$ be the $\mathbf A_T$…

Let ${\cal F}_n$ be the level $n$ subspace of the Fock module ${\cal F}$, and let ${\cal P}_n$ be the space of order $n$ polynomials $p(\xi_1,\ldots,\xi_n|\eta_1,\ldots,\eta_n)$ wh…