The unbroken spectrum of type-A Frobenius seaweeds

Vincent E. Coll, Matthew Hyatt, Colton Magnant

If $\mathfrak{g}$ is a Frobenius Lie algebra, then for certain $F\in {\mathfrak{g}}^{\ast }$ the natural map $\mathfrak{g}⟶{\mathfrak{g}}^{\ast }$ given by $x⟼F[x,-]$ i…