The orbit method for locally nilpotent infinite-dimensional Lie algebras

Mikhail V. Ignatyev, Alexey Petukhov

Let $\mathfrak{n}$ be a locally nilpotent infinite-dimensional Lie algebra over $\mathbb{C}$. Let $\mathrm{U}(\mathfrak{n})$ and $\mathrm{S}(\mathfrak{n})$ be its universal envelop…