A Whittaker category for the Symplectic Lie algebra

Yang Li, Jun Zhao, Yuanyuan Zhang +1

For any $n\in {\mathbb{Z}}_{\ge 2}$, let ${\mathfrak{m}}_n$ be the subalgebra of ${\mathfrak{sp}}_{2n}$ spanned by all long negative root vectors $X_{-2{\epsilon }_i}$, $i=1,\dots ,n$. An $\mathfr…